Iowa, United States: Weather Records

280,496 weather records still stand at 252 stations in Iowa, United States, with standing records by year and every station.

Key Facts for Iowa

Iowa in United States has 252 stations in the data, and 280,496 records set at them still stand.
1,701 of the 3,152 recent records listed are record highs and 422 are record lows, counting maximum and minimum temperature.
1936 holds the most standing records in Iowa: 5,412.
Indianola 1SW set a daily record precipitation of 133.1 mm (5.2 in) on 14 August 2026.

Record Map

250 stations records

The highest significance station records in Iowa, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records in Iowa: highest significance records shown on the map
Station	Country	Type	Value	Significance
Indianola 1SW	United States	Record daily precipitation	133.1 mm (5.2 in)	80 of 100 (Exceptional)
Creston 2 SW	United States	Record daily precipitation	116.3 mm (4.6 in)	80 of 100 (Exceptional)
Zearing	United States	Record daily precipitation	119.9 mm (4.7 in)	80 of 100 (Exceptional)
Vinton	United States	Record daily precipitation	36.8 mm (1.4 in)	80 of 100 (Exceptional)
Elkader 6 SSW	United States	Record daily precipitation	100.3 mm (3.9 in)	79 of 100 (Major)
Fayette	United States	Record daily precipitation	38.1 mm (1.5 in)	79 of 100 (Major)
Chariton 1 E	United States	Record daily precipitation	100.3 mm (3.9 in)	77 of 100 (Major)
New Hampton	United States	Record daily precipitation	31.5 mm (1.2 in)	74 of 100 (Major)
Cedar Rapids #1	United States	Record daily snowfall	20.6 cm (8.1 in)	74 of 100 (Major)
Sac City	United States	Record daily precipitation	94.0 mm (3.7 in)	73 of 100 (Major)
Webster City	United States	Record daily precipitation	104.1 mm (4.1 in)	72 of 100 (Major)
Waukon 3NNE	United States	Record daily snowfall	25.4 cm (10.0 in)	72 of 100 (Major)
Mt Ayr	United States	Record daily precipitation	139.7 mm (5.5 in)	71 of 100 (Major)
Fayette	United States	Record daily precipitation	45.7 mm (1.8 in)	70 of 100 (Major)
Elkader 6 SSW	United States	Record daily precipitation	29.2 mm (1.1 in)	70 of 100 (Major)
Waterloo Muni AP	United States	Record daily precipitation	32.5 mm (1.3 in)	65 of 100 (Major)
Ft Dodge 5NNW	United States	Record daily precipitation	28.4 mm (1.1 in)	64 of 100 (Major)
Jefferson	United States	Record daily precipitation	26.9 mm (1.1 in)	64 of 100 (Major)
Corning	United States	Record daily precipitation	115.8 mm (4.6 in)	63 of 100 (Major)
Atlantic 1 NE	United States	Record daily precipitation	29.7 mm (1.2 in)	63 of 100 (Major)
Waukon 3NNE	United States	Record daily precipitation	37.8 mm (1.5 in)	63 of 100 (Major)
Mt Ayr	United States	Record daily precipitation	134.6 mm (5.3 in)	62 of 100 (Major)
Iowa Falls	United States	Record daily precipitation	71.1 mm (2.8 in)	61 of 100 (Major)
New Hampton	United States	Record daily precipitation	58.4 mm (2.3 in)	61 of 100 (Major)
Waucoma 1WNW	United States	Record daily precipitation	63.5 mm (2.5 in)	61 of 100 (Major)
Cedar Rapids #1	United States	Record daily precipitation	83.8 mm (3.3 in)	61 of 100 (Major)
Corning	United States	Record daily precipitation	106.2 mm (4.2 in)	61 of 100 (Major)
Osage	United States	Record daily precipitation	65.5 mm (2.6 in)	61 of 100 (Major)
Ft Dodge 5NNW	United States	Record daily precipitation	45.2 mm (1.8 in)	61 of 100 (Major)
Bellevue L/D 12	United States	Record daily snowfall	27.9 cm (11.0 in)	61 of 100 (Major)
Perry	United States	Record daily precipitation	76.2 mm (3.0 in)	61 of 100 (Major)
Lamoni	United States	Record daily precipitation	27.4 mm (1.1 in)	59 of 100 (Notable)
Des Moines Intl AP	United States	Record daily snowfall	22.6 cm (8.9 in)	59 of 100 (Notable)
Zearing	United States	Record daily precipitation	58.4 mm (2.3 in)	58 of 100 (Notable)
Grundy Ctr	United States	Record daily precipitation	81.3 mm (3.2 in)	58 of 100 (Notable)
Manchester #2	United States	Record daily precipitation	53.6 mm (2.1 in)	58 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	29.0 mm (1.1 in)	58 of 100 (Notable)
Manchester #2	United States	Record daily precipitation	61.5 mm (2.4 in)	58 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	28.7 mm (1.1 in)	58 of 100 (Notable)
Bellevue L/D 12	United States	Record snow depth	27.9 cm (11.0 in)	58 of 100 (Notable)
Ft Dodge 5NNW	United States	Record snow depth	38.1 cm (15.0 in)	58 of 100 (Notable)
Garwin	United States	Record snow depth	27.9 cm (11.0 in)	58 of 100 (Notable)
Northwood	United States	Record daily precipitation	42.9 mm (1.7 in)	57 of 100 (Notable)
Massena	United States	Record daily precipitation	29.2 mm (1.1 in)	57 of 100 (Notable)
Manchester #2	United States	Record daily snowfall	18.8 cm (7.4 in)	57 of 100 (Notable)
Waterloo Muni AP	United States	Record daily snowfall	23.6 cm (9.3 in)	57 of 100 (Notable)
Carroll	United States	Record daily precipitation	63.5 mm (2.5 in)	56 of 100 (Notable)
Osage	United States	Record daily precipitation	121.7 mm (4.8 in)	56 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	38.1 mm (1.5 in)	56 of 100 (Notable)
Ft Dodge 5NNW	United States	Record snow depth	38.1 cm (15.0 in)	56 of 100 (Notable)
Perry	United States	Record daily precipitation	66.0 mm (2.6 in)	55 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	64.0 mm (2.5 in)	55 of 100 (Notable)
Osceola	United States	Record daily precipitation	51.3 mm (2.0 in)	55 of 100 (Notable)
Decorah	United States	Record daily precipitation	42.7 mm (1.7 in)	55 of 100 (Notable)
Postville	United States	Record high maximum temperature	17.2 C (63.0 F)	55 of 100 (Notable)
Storm Lake	United States	Record daily snowfall	24.9 cm (9.8 in)	55 of 100 (Notable)
Perry	United States	Record daily precipitation	46.0 mm (1.8 in)	55 of 100 (Notable)
Pella 1S	United States	Record daily precipitation	80.8 mm (3.2 in)	54 of 100 (Notable)
Rockwell City	United States	Record daily snowfall	20.3 cm (8.0 in)	54 of 100 (Notable)
Red Oak	United States	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)

Which Years Hold Standing Records

280,496 standing records

280,496 records at stations in Iowa still stand. 1936 holds the most, with 5,412.

Standing records in Iowa by the year they were set
Year set	Standing records
1874	17
1875	38
1876	15
1877	29
1878	18
1879	28
1880	29
1881	8
1882	30
1883	46
1884	59
1885	96
1886	83
1887	110
1888	30
1889	23
1890	17
1891	28
1892	45
1893	1,433
1894	1,731
1895	2,649
1896	2,761
1897	2,480
1898	1,838
1899	4,651
1900	2,550
1901	2,555
1902	2,000
1903	1,434
1904	1,708
1905	2,192
1906	1,626
1907	2,022
1908	1,485
1909	2,538
1910	2,188
1911	2,689
1912	2,387
1913	2,790
1914	1,758
1915	2,072
1916	1,795
1917	2,303
1918	2,174
1919	1,207
1920	1,254
1921	1,628
1922	932
1923	1,461
1924	1,908
1925	2,527
1926	1,684
1927	1,620
1928	1,768
1929	1,456
1930	3,373
1931	2,541
1932	1,334
1933	1,882
1934	3,909
1935	1,627
1936	5,412
1937	2,418
1938	2,506
1939	3,483
1940	2,269
1941	2,407
1942	2,421
1943	1,589
1944	1,968
1945	1,925
1946	2,105
1947	2,697
1948	2,027
1949	1,662
1950	3,060
1951	2,425
1952	1,985
1953	2,038
1954	1,767
1955	2,472
1956	1,695
1957	935
1958	1,609
1959	2,039
1960	1,778
1961	992
1962	2,570
1963	2,427
1964	2,171
1965	2,333
1966	2,064
1967	2,073
1968	1,718
1969	1,262
1970	2,049
1971	1,487
1972	2,067
1973	1,322
1974	2,125
1975	2,262
1976	2,380
1977	2,836
1978	1,290
1979	1,542
1980	2,126
1981	2,319
1982	1,321
1983	2,729
1984	1,357
1985	2,022
1986	1,673
1987	1,722
1988	2,590
1989	2,986
1990	2,482
1991	3,686
1992	2,652
1993	1,842
1994	1,956
1995	1,220
1996	2,053
1997	2,089
1998	2,500
1999	1,794
2000	2,996
2001	1,824
2002	1,914
2003	1,605
2004	2,045
2005	1,943
2006	2,229
2007	1,736
2008	1,396
2009	1,976
2010	1,092
2011	1,699
2012	3,966
2013	1,962
2014	2,590
2015	1,589
2016	1,187
2017	2,406
2018	2,557
2019	1,951
2020	1,939
2021	1,985
2022	1,629
2023	1,624
2024	1,705
2025	1,896
2026	1,605

Record Highs and Lows in 2026

Each square is a day of 2026. Warm squares had more record highs than record lows at stations in Iowa, cold squares more lows.

Counts the records listed in the day ledgers; a busy day may list only its highest significance records.

Record highs and lows per day in Iowa in 2026
Date	Value
2026-01-05	1 more record highs than lows
2026-01-06	8 more record highs than lows
2026-01-07	6 more record highs than lows
2026-01-08	30 more record highs than lows
2026-01-09	11 more record highs than lows
2026-01-12	6 more record highs than lows
2026-01-13	20 more record highs than lows
2026-01-14	10 more record highs than lows
2026-01-23	12 more record lows than highs
2026-01-24	48 more record lows than highs
2026-01-25	14 more record lows than highs
2026-01-26	1 more record lows than highs
2026-01-27	1 more record lows than highs
2026-02-06	2 more record highs than lows
2026-02-09	7 more record highs than lows
2026-02-10	36 more record highs than lows
2026-02-11	1 more record highs than lows
2026-02-12	2 more record highs than lows
2026-02-13	12 more record highs than lows
2026-02-14	11 more record highs than lows
2026-02-15	30 more record highs than lows
2026-02-16	63 more record highs than lows
2026-02-17	65 more record highs than lows
2026-02-18	42 more record highs than lows
2026-02-19	3 more record highs than lows
2026-02-23	1 more record lows than highs
2026-02-27	2 more record highs than lows
2026-02-28	7 more record highs than lows
2026-03-05	2 more record highs than lows
2026-03-06	5 more record highs than lows
2026-03-07	3 more record highs than lows
2026-03-08	2 more record highs than lows
2026-03-09	37 more record highs than lows
2026-03-10	45 more record highs than lows
2026-03-11	5 more record highs than lows
2026-03-16	20 more record lows than highs
2026-03-17	60 more record lows than highs
2026-03-18	11 more record lows than highs
2026-03-20	11 more record highs than lows
2026-03-21	30 more record highs than lows
2026-03-22	79 more record highs than lows
2026-03-25	2 more record highs than lows
2026-03-26	13 more record highs than lows
2026-03-27	8 more record highs than lows
2026-03-28	2 more record lows than highs
2026-03-29	3 more record lows than highs
2026-03-30	12 more record highs than lows
2026-03-31	79 more record highs than lows
2026-04-01	2 more record highs than lows
2026-04-12	6 more record highs than lows
2026-04-13	29 more record highs than lows
2026-04-14	35 more record highs than lows
2026-04-15	20 more record highs than lows
2026-04-17	6 more record highs than lows
2026-04-21	1 more record highs than lows
2026-04-22	6 more record highs than lows
2026-04-23	13 more record highs than lows
2026-04-24	2 more record highs than lows
2026-04-26	1 more record highs than lows
2026-04-27	1 more record highs than lows
2026-05-02	2 more record lows than highs
2026-05-07	5 more record lows than highs
2026-05-08	2 more record lows than highs
2026-05-11	1 more record lows than highs
2026-05-16	8 more record highs than lows
2026-05-17	3 more record highs than lows
2026-05-18	1 more record highs than lows
2026-05-20	4 more record lows than highs
2026-05-21	1 more record lows than highs
2026-05-25	1 more record highs than lows
2026-05-27	3 more record highs than lows
2026-05-30	2 more record highs than lows
2026-05-31	1 more record highs than lows
2026-06-05	2 more record highs than lows
2026-06-06	1 more record highs than lows
2026-06-07	2 more record highs than lows
2026-06-08	1 more record highs than lows
2026-06-09	9 more record highs than lows
2026-06-10	31 more record highs than lows
2026-06-14	1 more record lows than highs
2026-06-15	2 more record lows than highs
2026-06-17	1 more record lows than highs
2026-06-20	1 more record lows than highs
2026-06-21	2 more record lows than highs
2026-06-22	29 more record lows than highs
2026-06-26	1 more record lows than highs
2026-06-27	1 more record lows than highs
2026-06-29	14 more record highs than lows
2026-06-30	38 more record highs than lows
2026-07-01	25 more record highs than lows
2026-07-02	19 more record highs than lows
2026-07-03	1 more record highs than lows
2026-07-08	1 more record highs than lows
2026-07-10	1 more record highs than lows
2026-07-16	3 more record highs than lows
2026-07-17	4 more record highs than lows
2026-07-20	1 more record highs than lows
2026-07-21	1 more record highs than lows
2026-07-22	1 more record lows than highs
2026-07-23	7 more record lows than highs
2026-07-24	6 more record lows than highs
2026-07-25	4 more record lows than highs
2026-07-26	3 more record highs than lows
2026-07-27	32 more record highs than lows
2026-07-28	9 more record highs than lows
2026-07-29	1 more record highs than lows
2026-08-01	7 more record lows than highs
2026-08-02	4 more record lows than highs
2026-08-04	1 more record lows than highs
2026-08-05	15 more record lows than highs
2026-08-06	15 more record lows than highs
2026-08-08	1 more record lows than highs
2026-08-09	1 more record highs than lows
2026-08-10	3 more record highs than lows
2026-08-11	9 more record highs than lows
2026-08-12	10 more record highs than lows
2026-08-13	1 more record highs than lows
2026-08-14	1 more record highs than lows
2026-08-15	4 more record highs than lows
2026-08-16	1 more record highs than lows
2026-08-30	2 more record highs than lows
2026-08-31	10 more record highs than lows
2026-09-01	13 more record highs than lows
2026-09-02	13 more record highs than lows
2026-09-03	22 more record highs than lows
2026-09-04	33 more record highs than lows
2026-09-05	25 more record highs than lows
2026-09-06	6 more record highs than lows
2026-09-08	1 more record highs than lows
2026-09-09	2 more record highs than lows
2026-09-16	1 more record highs than lows
2026-09-17	1 more record highs than lows
2026-09-18	2 more record highs than lows
2026-09-19	7 more record highs than lows
2026-09-22	1 more record lows than highs
2026-09-23	1 more record lows than highs
2026-09-24	1 more record highs than lows
2026-09-26	2 more record highs than lows
2026-09-27	4 more record highs than lows
2026-09-28	3 more record highs than lows
2026-09-30	2 more record highs than lows
2026-10-07	1 more record highs than lows
2026-10-09	1 more record highs than lows
2026-10-10	20 more record highs than lows
2026-10-11	49 more record highs than lows
2026-10-12	52 more record highs than lows
2026-10-13	22 more record highs than lows
2026-10-14	4 more record highs than lows

Top Records by Significance

Top records in Iowa by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 August 2026	Indianola 1SW, US	daily rain	133.1 mm (5.2 in)	72.1 mm (2.8 in)	129 years	80 of 100 (Exceptional)
5 August 2026	Creston 2 SW, US	daily rain	116.3 mm (4.6 in)	83.3 mm (3.3 in)	103 years	80 of 100 (Exceptional)
3 July 2026	Zearing, US	daily rain	119.9 mm (4.7 in)	96.0 mm (3.8 in)	121 years	80 of 100 (Exceptional)
9 January 2026	Vinton, US	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	124 years	80 of 100 (Exceptional)
1 August 2026	Elkader 6 SSW, US	daily rain	100.3 mm (3.9 in)	58.1 mm (2.3 in)	123 years	79 of 100 (Major)
9 January 2026	Fayette, US	daily rain	38.1 mm (1.5 in)	27.9 mm (1.1 in)	96 years	79 of 100 (Major)
6 June 2026	Chariton 1 E, US	daily rain	100.3 mm (3.9 in)	56.6 mm (2.2 in)	108 years	77 of 100 (Major)
9 January 2026	New Hampton, US	daily rain	31.5 mm (1.2 in)	18.3 mm (0.7 in)	125 years	74 of 100 (Major)
29 November 2025	Cedar Rapids #1, US	daily snowfall	20.6 cm (8.1 in)	13.0 cm (5.1 in)	100 years	74 of 100 (Major)
7 September 2026	Sac City, US	daily rain (Provisional)	94.0 mm (3.7 in)	45.2 mm (1.8 in)	108 years	73 of 100 (Major)

Stations

252

Stations in Iowa
Station	Record from	Years	Thresholds
Afton	1894	57 years	Threshold days
Akron	1900	123 years	Threshold days
Albia 3 NNE	1894	131 years	Threshold days
Algona	1893	133 years	Threshold days
Allerton	1902	125 years	Threshold days
Allison	1914	113 years	Threshold days
Alta	1893	67 years	Threshold days
Alton	1905	105 years	Threshold days
Ames 8 WSW	1964	63 years	Threshold days
Ames 5 SE	1978	49 years	Threshold days
Ames 3 SW	1893	72 years	Threshold days
Anamosa 1 WNW	1937	75 years	Threshold days
Ankeny	1950	72 years	Threshold days
Atlantic 1 NE	1893	134 years	Threshold days
Audubon	1893	134 years	Threshold days
Augusta	1936	91 years	Threshold days
Bancroft	1899	56 years	Threshold days
Baxter	1899	41 years	Threshold days
Beaconsfield 3N	1951	76 years	Threshold days
Bedford	1898	121 years	Threshold days
Belle Plaine	1893	134 years	Threshold days
Bellevue L/D 12	1941	86 years	Threshold days
Belmond	1909	37 years	Threshold days
Blockton 1W	1893	125 years	Threshold days
Bloomfield	1906	121 years	Threshold days
Bonaparte 5 NE	1893	47 years	Threshold days
Boone	1905	122 years	Threshold days
Brighton	1968	54 years	Threshold days
Britt 3E	1897	124 years	Threshold days
Brooklyn	1976	51 years	Threshold days
Buckeye	1978	32 years	Threshold days
Burlington 2S	1964	63 years	Threshold days
Bussey 3 WNW	1899	115 years	Threshold days
Carroll	1893	134 years	Threshold days
Cascade	1947	80 years	Threshold days
Castana Exp Farm	1948	70 years	Threshold days
Cedar Falls	1893	70 years	Threshold days
Cedar Rapids #1	1892	135 years	Threshold days
Cedar Rapids 2	1904	63 years	Threshold days
Centerville	1893	134 years	Threshold days
Chariton 1 E	1895	132 years	Threshold days
Charles City	1893	134 years	Threshold days
Cherokee	1921	106 years	Threshold days
Clarence	1934	45 years	Threshold days
Clarinda	1893	134 years	Threshold days
Clarion	1944	78 years	Threshold days
Clinton #1	1893	134 years	Threshold days
Clinton 2	1904	82 years	Threshold days
Clutier	1973	54 years	Threshold days
Colo	1964	46 years	Threshold days
Columbus Junction	1900	127 years	Threshold days
Conrad	1978	43 years	Threshold days
Coon Rapids	1899	53 years	Threshold days
Corning	1893	134 years	Threshold days
Correctionville 1 SW	1950	65 years	Threshold days
Corydon 8 W	1950	42 years	Threshold days
Council Bluffs 6 NE	1893	73 years	Threshold days
Cresco 1 NE	1893	128 years	Threshold days
Creston 2 SW	1905	122 years	Threshold days
Cumberland	1899	80 years	Threshold days
Decorah	1893	134 years	Threshold days
Delaware 3 WSW	1893	83 years	Threshold days
Denison	1893	134 years	Threshold days
Des Moines Wsfo-Johnston	1995	32 years	Threshold days
Dewitt	1954	73 years	Threshold days
Donnellson	1938	89 years	Threshold days
Dorchester	1947	67 years	Threshold days
Dubuque L&D 11	1938	89 years	Threshold days
Dumont	1934	78 years	Threshold days
Eddyville	1939	46 years	Threshold days
Eldora	1949	75 years	Threshold days
Elkader 6 SSW	1893	134 years	Threshold days
Emmetsburg	1893	134 years	Threshold days
Estherville 4E	1893	134 years	Threshold days
Everly 3 WNW	1954	69 years	Threshold days
Fairfield	1893	134 years	Threshold days
Fayette	1893	134 years	Threshold days
Forest City 2 NNE	1894	133 years	Threshold days
Ft Dodge 5NNW	1899	128 years	Threshold days
Ft Madison	1893	134 years	Threshold days
Galva	1963	47 years	Threshold days
Garwin	1978	49 years	Threshold days
Gilman	1899	120 years	Threshold days
Glenwood 3SW	1893	125 years	Threshold days
Greenfield	1893	134 years	Threshold days
Grinnell 3 SW	1893	134 years	Threshold days
Grundy Ctr	1893	134 years	Threshold days
Guthrie Ctr	1895	132 years	Threshold days
Guttenberg L&D 10	1937	90 years	Threshold days
Hamburg	1899	53 years	Threshold days
Hampton	1893	134 years	Threshold days
Harcourt 2ENE	1976	44 years	Threshold days
Harlan	1899	118 years	Threshold days
Hawarden	1926	95 years	Threshold days
Hornick 4 NNE	1964	63 years	Threshold days
Holstein	1951	70 years	Threshold days
Hubbard	1978	40 years	Threshold days
Humboldt 3 W	1893	105 years	Threshold days
Ida Grove 5NW	1902	106 years	Threshold days
Independence #1	1862	148 years	Threshold days
Independence	1893	89 years	Threshold days
Indianola 1SW	1893	134 years	Threshold days
Inwood 2 SW	1902	72 years	Threshold days
Iowa City	1893	134 years	Threshold days
Iowa Falls	1893	134 years	Threshold days
Jefferson	1893	134 years	Threshold days
Jewell	1949	70 years	Threshold days
Kanawha	1941	86 years	Threshold days
Kennebec	1950	69 years	Threshold days
Keokuk L&D 19	1891	136 years	Threshold days
Keosauqua	1893	134 years	Threshold days
Keosauqua 2	1934	43 years	Threshold days
Knoxville	1893	131 years	Threshold days
Lacona	1899	39 years	Threshold days
Lake City	1936	37 years	Threshold days
Lake Mills	1955	72 years	Threshold days
Lake Park 3SSE	1912	115 years	Threshold days
Lamoni	1897	130 years	Threshold days
Lansing	1896	108 years	Threshold days
Larrabee	1893	59 years	Threshold days
Le Claire	1893	63 years	Threshold days
Le Claire L&D 14	1938	89 years	Threshold days
Le Mars	1896	131 years	Threshold days
Lenox	1895	57 years	Threshold days
Leon 6 ESE	1962	51 years	Threshold days
Little Sioux	1904	46 years	Threshold days
Logan 1 WNW	1893	134 years	Threshold days
Logan #2	1951	31 years	Threshold days
Lorimor	1950	71 years	Threshold days
Lowden	1991	36 years	Threshold days
Madrid	1895	47 years	Threshold days
Malvern 5 W	1895	66 years	Threshold days
Manchester #2	1976	51 years	Threshold days
Mapleton No.2	1937	90 years	Threshold days
Mapleton	1948	47 years	Threshold days
Maquoketa	1897	128 years	Threshold days
Marble Rock	1954	45 years	Threshold days
Marshalltown	1893	134 years	Threshold days
Marshalltwn Pol Cn Pl	1954	73 years	Threshold days
Mason City	1893	134 years	Threshold days
Massena	1979	48 years	Threshold days
Melrose	1899	48 years	Threshold days
Merrill	1907	88 years	Threshold days
Merrill 4 WSW	1941	37 years	Threshold days
Milford 4 NW	1919	108 years	Threshold days
Millerton	1893	59 years	Threshold days
Monroe	1911	38 years	Threshold days
Montezuma 1 W	1896	131 years	Threshold days
Mt Ayr	1893	134 years	Threshold days
Mt Pleasant 1 SW	1893	134 years	Threshold days
Muscatine	1935	92 years	Threshold days
Muscatine 2	1893	90 years	Threshold days
New Hampton	1897	130 years	Threshold days
Newton	1893	132 years	Threshold days
N English	1948	79 years	Threshold days
Northwood	1896	131 years	Threshold days
Norwich Exp Farm	1937	34 years	Threshold days
Oakland	1919	108 years	Threshold days
Ocheyedan	1967	47 years	Threshold days
Oelwein 2 S	1923	83 years	Threshold days
Ogden	1894	66 years	Threshold days
Olin	1898	44 years	Threshold days
Onawa 3NW	1899	113 years	Threshold days
Osage	1893	134 years	Threshold days
Osceola	1894	133 years	Threshold days
Oskaloosa	1893	133 years	Threshold days
Ottumwa 1 WSW	1894	56 years	Threshold days
Ottumwa	1917	48 years	Threshold days
Parkersburg	1951	71 years	Threshold days
Paullina	1954	41 years	Threshold days
Pella 1S	1898	129 years	Threshold days
Perry	1900	127 years	Threshold days
Peterson	1953	41 years	Threshold days
Pocahontas	1904	123 years	Threshold days
Popejoy 1S	1974	42 years	Threshold days
Postville	1893	134 years	Threshold days
Primghar	1895	132 years	Threshold days
Promise City 6 NW	1970	44 years	Threshold days
Randolph	1953	74 years	Threshold days
Rathbun Dam	1970	57 years	Threshold days
Redfield 2 E	1954	41 years	Threshold days
Red Oak	1897	130 years	Threshold days
Rhodes 3E	1972	43 years	Threshold days
Ringsted	1948	79 years	Threshold days
Riverton	1926	35 years	Threshold days
Rock Rapids	1893	134 years	Threshold days
Rock Valley	1978	49 years	Threshold days
Rockwell City	1894	133 years	Threshold days
Sac City	1893	134 years	Threshold days
St Ansgar	1948	79 years	Threshold days
St Charles	1896	56 years	Threshold days
Sanborn	1914	113 years	Threshold days
Sheldon	1899	128 years	Threshold days
Shell Rock 1 SW	1948	69 years	Threshold days
Shenandoah	1918	109 years	Threshold days
Sibley	1893	134 years	Threshold days
Sidney 1SSE	1895	124 years	Threshold days
Sigourney	1896	131 years	Threshold days
Sioux Ctr 2 SE	1899	128 years	Threshold days
Sioux City 8 N	1948	36 years	Threshold days
Sioux City Perry Creek	1948	57 years	Threshold days
Sioux Rapids	1941	86 years	Threshold days
Spencer 1 N	1895	132 years	Threshold days
Spirit Lake	1893	134 years	Threshold days
Steamboat Rock	1956	60 years	Threshold days
Stockport	1901	48 years	Threshold days
Storm Lake	1893	134 years	Threshold days
Strawberry Pt	1948	79 years	Threshold days
Swea City 5N	1954	73 years	Threshold days
Thurman	1897	52 years	Threshold days
Tingley	1924	33 years	Threshold days
Tipton	1893	118 years	Threshold days
Titonka	1949	61 years	Threshold days
Toledo 3N	1894	133 years	Threshold days
Tracy 1 NE	1881	86 years	Threshold days
Traer	1948	79 years	Threshold days
Tripoli	1946	76 years	Threshold days
Van Meter	1919	48 years	Threshold days
Vinton	1893	134 years	Threshold days
Walford 2 SE	1904	109 years	Threshold days
Wapello	1898	119 years	Threshold days
Washington	1893	134 years	Threshold days
Washta	1897	123 years	Threshold days
Waterloo	1895	56 years	Threshold days
Waucoma 1WNW	1954	73 years	Threshold days
Waukee	1894	60 years	Threshold days
Waukon 3NNE	1934	93 years	Threshold days
Waverly	1896	51 years	Threshold days
Webster City	1893	134 years	Threshold days
West Bend	1893	54 years	Threshold days
Williamsburg 1E	1893	134 years	Threshold days
Winterset 4N	1893	134 years	Threshold days
Woodward 7 N	1944	31 years	Threshold days
Zearing	1904	123 years	Threshold days
Atlantic Caa AP	1948	79 years	Threshold days
Burlington Muni AP	1897	130 years	Threshold days
Davenport L&D 15	1901	84 years	Threshold days
Des Moines Intl AP	1945	82 years	Threshold days
Dubuque River	1873	80 years	Threshold days
Iowa City Muni AP	1948	79 years	Threshold days
Mason City Muni AP	1948	79 years	Threshold days
Sioux City AP	1940	87 years	Threshold days
Ottumwa Ind AP	1948	79 years	Threshold days
Spencer Muni AP	1996	31 years	Threshold days
Cedar Rapids Muni AP	1953	74 years	Threshold days
Lamoni	1949	78 years	Threshold days
Dubuque Rgnl AP	1951	76 years	Threshold days
Waterloo Muni AP	1950	77 years	Threshold days
Estherville Muni AP	1996	31 years	Threshold days
Davenport	1996	31 years	Threshold days
Marshalltown Muni AP	1996	31 years	Threshold days
Ames Muni AP	1996	31 years	Threshold days

Download the Data

Data for Iowa standing records by year: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-17. Last revised 18 October 2026 (2026-10-18).