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Built 2026-10-14 (14 October 2026)

King Coulee Montana Weather Records (USR0000MKIN)

Record envelope, standing records and threshold days for King Coulee Montana (USR0000MKIN), Montana, United States, with 37 years of record.

Key Facts for King Coulee Montana

  • King Coulee Montana (USR0000MKIN) is a weather station in Montana, United States at 47.80 latitude and -107.02 longitude, 841 m (2,760 ft) above sea level.
  • The station reports from 1987 to 2023, 37 years of record.
  • 1,464 records set at King Coulee Montana still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • King Coulee Montana tied a daily record high maximum temperature of 29.4 C (84.9 F) on 9 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Montana, United States, 47.80 latitude, -107.02 longitude.
  • Elevation: 841 m (2,760 ft).
  • Period of record: 1987 to 2023, 37 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

25 days at or beyond a record
Daily record high and record low at King Coulee Montana, with 2026 drawn through them The band shows the record high and record low for each calendar day at King Coulee Montana. The lines show the 2026 daily maximum and minimum. 25 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at King Coulee Montana. The lines show the 2026 daily maximum and minimum. 25 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at King Coulee Montana, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.3 C (64.9 F)-35.6 C (-32.1 F)14.4 C (57.9 F)-28.9 C (-20.0 F)
Feb21.7 C (71.1 F)-34.4 C (-29.9 F)17.2 C (63.0 F)-20.6 C (-5.1 F)
Mar26.1 C (79.0 F)-28.9 C (-20.0 F)26.1 C (79.0 F)-15.6 C (3.9 F)
Apr30.6 C (87.1 F)-16.7 C (1.9 F)27.8 C (82.0 F)-8.3 C (17.1 F)
May36.7 C (98.1 F)-3.9 C (25.0 F)35.0 C (95.0 F)0.0 C (32.0 F)
Jun43.3 C (109.9 F)1.7 C (35.1 F)28.3 C (82.9 F)5.0 C (41.0 F)
Jul45.0 C (113.0 F)5.6 C (42.1 F)42.2 C (108.0 F)14.4 C (57.9 F)
Aug40.6 C (105.1 F)3.9 C (39.0 F)40.6 C (105.1 F)10.0 C (50.0 F)
Sep40.0 C (104.0 F)-3.3 C (26.1 F)34.4 C (93.9 F)5.6 C (42.1 F)
Oct32.2 C (90.0 F)-16.7 C (1.9 F)29.4 C (84.9 F)2.2 C (36.0 F)
Nov26.1 C (79.0 F)-23.3 C (-9.9 F)n/an/a
Dec19.4 C (66.9 F)-33.3 C (-27.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at King Coulee Montana by the year they were set 1,464 records at King Coulee Montana still stand. 2007 holds the most, with 106. 0501001501987: 41988: 541989: 411990: 441991: 451992: 731993: 331994: 271995: 341996: 691997: 471998: 191999: 372000: 342001: 292002: 472003: 472004: 322005: 422006: 262007: 1062008: 292009: 412010: 202011: 202012: 412013: 212014: 282015: 302016: 212017: 252018: 302019: 232020: 442021: 422022: 332023: 192024: 322025: 392026: 361987199119951999200320072011201520192023
1,464 records at King Coulee Montana still stand. 2007 holds the most, with 106.
Standing records at King Coulee Montana by the year they were set
Year setStanding records
19874
198854
198941
199044
199145
199273
199333
199427
199534
199669
199747
199819
199937
200034
200129
200247
200347
200432
200542
200626
2007106
200829
200941
201020
201120
201241
201321
201428
201530
201621
201725
201830
201923
202044
202142
202233
202319
202432
202539
202636

All-Time Record Progression

2 new records
When King Coulee Montana set new all-time records 2 all-time records were set at King Coulee Montana between 12 January 2024 and 13 January 2024. Each dot is a new record. Record low minimum temperature12 January 2024: Record low minimum temperature -35.0 C (-31.0 F)13 January 2024: Record low minimum temperature -35.6 C (-32.1 F)2025
2 all-time records were set at King Coulee Montana between 12 January 2024 and 13 January 2024. Each dot is a new record.
When King Coulee Montana set new all-time records
DateKindDetail
2024-01-12Record low minimum temperatureRecord low minimum temperature -35.0 C (-31.0 F)
2024-01-13Record low minimum temperatureRecord low minimum temperature -35.6 C (-32.1 F)

Period of Record Coverage

1987 to 2026
Days with data per year at King Coulee Montana 40 years of record at King Coulee Montana, 1987 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1987, 1993, 2026. 1987: 58 of 365 days1988: 359 of 366 days1989: 354 of 365 days1990: 348 of 365 days1991: 356 of 365 days1992: 344 of 366 days1993: 322 of 365 days1994: 358 of 365 days1995: 360 of 365 days1996: 361 of 366 days1997: 357 of 365 days1998: 361 of 365 days1999: 363 of 365 days2000: 364 of 366 days2001: 364 of 365 days2002: 360 of 365 days2003: 358 of 365 days2004: 362 of 366 days2005: 361 of 365 days2006: 363 of 365 days2007: 363 of 365 days2008: 363 of 366 days2009: 341 of 365 days2010: 353 of 365 days2011: 363 of 365 days2012: 362 of 366 days2013: 361 of 365 days2014: 361 of 365 days2015: 363 of 365 days2016: 361 of 366 days2017: 360 of 365 days2018: 358 of 365 days2019: 359 of 365 days2020: 362 of 366 days2021: 360 of 365 days2022: 363 of 365 days2023: 362 of 365 days2024: 361 of 366 days2025: 357 of 365 days2026: 281 of 365 days19901995200020052010201520202025
40 years of record at King Coulee Montana, 1987 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1987, 1993, 2026.
Days with data per year at King Coulee Montana
YearDays with dataShare of yearComplete
19875816%No
198835998%Yes
198935497%Yes
199034895%Yes
199135698%Yes
199234494%Yes
199332288%No
199435898%Yes
199536099%Yes
199636199%Yes
199735798%Yes
199836199%Yes
199936399%Yes
200036499%Yes
2001364100%Yes
200236099%Yes
200335898%Yes
200436299%Yes
200536199%Yes
200636399%Yes
200736399%Yes
200836399%Yes
200934193%Yes
201035397%Yes
201136399%Yes
201236299%Yes
201336199%Yes
201436199%Yes
201536399%Yes
201636199%Yes
201736099%Yes
201835898%Yes
201935998%Yes
202036299%Yes
202136099%Yes
202236399%Yes
202336299%Yes
202436199%Yes
202535798%Yes
202628177%No

Latest Records

20
Latest records at King Coulee Montana
DateStationRecordValueBeat old record byOld record stoodSignificance
9 October 2026King Coulee Montana, USdaily high max (Tie, Provisional)29.4 C (84.9 F)tie21 years2 of 100 (Routine)
13 August 2026King Coulee Montana, USdaily low max16.1 C (61.0 F)2.8 C (5.0 F)16 years13 of 100 (Routine)
1 August 2026King Coulee Montana, USmonthly high max40.6 C (105.1 F)0.6 C (1.1 F)22 years21 of 100 (Routine)
1 August 2026King Coulee Montana, USdaily high min (Tie)23.3 C (73.9 F)tie1 year1 of 100 (Routine)
26 July 2026King Coulee Montana, USdaily high min25.0 C (77.0 F)2.2 C (4.0 F)37 years21 of 100 (Routine)
25 July 2026King Coulee Montana, USdaily high max39.4 C (102.9 F)2.2 C (4.0 F)4 years9 of 100 (Routine)
12 July 2026King Coulee Montana, USdaily high max42.2 C (108.0 F)3.3 C (5.9 F)24 years17 of 100 (Routine)
11 July 2026King Coulee Montana, USdaily high max (Tie)37.8 C (100.0 F)tie1 year1 of 100 (Routine)
7 July 2026King Coulee Montana, USdaily low max20.0 C (68.0 F)1.7 C (3.1 F)35 years17 of 100 (Routine)
28 May 2026King Coulee Montana, USdaily high min20.0 C (68.0 F)3.9 C (7.0 F)23 years19 of 100 (Routine)
28 May 2026King Coulee Montana, USdaily high max32.2 C (90.0 F)1.6 C (2.9 F)12 years9 of 100 (Routine)
27 May 2026King Coulee Montana, USdaily high max33.3 C (91.9 F)1.6 C (2.9 F)37 years17 of 100 (Routine)
27 May 2026King Coulee Montana, USmonthly high min20.6 C (69.1 F)1.2 C (2.2 F)0 years16 of 100 (Routine)
26 May 2026King Coulee Montana, USmonthly high min19.4 C (66.9 F)0.5 C (0.9 F)37 years26 of 100 (Routine)
26 May 2026King Coulee Montana, USdaily high max35.0 C (95.0 F)3.9 C (7.0 F)28 years18 of 100 (Routine)
25 May 2026King Coulee Montana, USdaily high max32.2 C (90.0 F)2.8 C (5.0 F)23 years14 of 100 (Routine)
25 May 2026King Coulee Montana, USdaily high min17.2 C (63.0 F)1.1 C (2.0 F)8 years8 of 100 (Routine)
18 May 2026King Coulee Montana, USdaily low min (Tie)0.0 C (32.0 F)tie11 years1 of 100 (Routine)
27 April 2026King Coulee Montana, USdaily low min-6.1 C (21.0 F)2.2 C (4.0 F)20 years14 of 100 (Routine)
25 April 2026King Coulee Montana, USdaily low min (Tie)-6.1 C (21.0 F)tie24 years2 of 100 (Routine)

Climate Trend

36 complete years, 1988 to 2025
Annual mean temperature at King Coulee Montana as warming stripes, 1988 to 2025 One stripe for each of 36 complete years at King Coulee Montana, 1988 to 2025. Blue stripes are years cooler than the station's own mean of 8.3 C (47.0 F); red stripes are warmer. The coolest year was 1996, at 5.6 C (42.1 F), and the warmest was 2007, at 11.3 C (52.3 F). The strongest colour marks a difference of 3.0 C (5.4 F). 1988: 9.3 C, +0.9 C from the station mean1989: 7.0 C, -1.3 C from the station mean1990: 8.3 C, -0.1 C from the station mean1991: 8.6 C, +0.2 C from the station mean1992: 8.7 C, +0.4 C from the station mean1994: 7.7 C, -0.6 C from the station mean1995: 7.4 C, -0.9 C from the station mean1996: 5.6 C, -2.7 C from the station mean1997: 8.4 C, 0.0 C from the station mean1998: 8.9 C, +0.5 C from the station mean1999: 9.3 C, +0.9 C from the station mean2000: 8.1 C, -0.3 C from the station mean2001: 9.2 C, +0.8 C from the station mean2002: 7.4 C, -1.0 C from the station mean2003: 8.8 C, +0.4 C from the station mean2004: 7.9 C, -0.5 C from the station mean2005: 8.7 C, +0.4 C from the station mean2006: 9.4 C, +1.0 C from the station mean2007: 11.3 C, +2.9 C from the station mean2008: 7.4 C, -0.9 C from the station mean2010: 7.5 C, -0.8 C from the station mean2011: 7.5 C, -0.8 C from the station mean2012: 9.5 C, +1.2 C from the station mean2013: 7.7 C, -0.7 C from the station mean2014: 7.4 C, -1.0 C from the station mean2015: 9.3 C, +1.0 C from the station mean2016: 9.4 C, +1.0 C from the station mean2017: 8.7 C, +0.4 C from the station mean2018: 7.1 C, -1.3 C from the station mean2019: 6.2 C, -2.1 C from the station mean2020: 8.6 C, +0.3 C from the station mean2021: 9.3 C, +0.9 C from the station mean2022: 7.8 C, -0.5 C from the station mean2023: 9.2 C, +0.9 C from the station mean2024: 9.3 C, +0.9 C from the station mean2025: 8.7 C, +0.4 C from the station mean19881995200020052010201520202025
One stripe for each of 36 complete years at King Coulee Montana, 1988 to 2025. Blue stripes are years cooler than the station's own mean of 8.3 C (47.0 F); red stripes are warmer. The coolest year was 1996, at 5.6 C (42.1 F), and the warmest was 2007, at 11.3 C (52.3 F). The strongest colour marks a difference of 3.0 C (5.4 F).
Annual mean temperature at King Coulee Montana as warming stripes, 1988 to 2025
YearAnnual mean temperatureDifference from the station mean
19889.3 C+0.94 C
19897.0 C-1.35 C
19908.3 C-0.06 C
19918.6 C+0.21 C
19928.7 C+0.36 C
19947.7 C-0.63 C
19957.4 C-0.94 C
19965.6 C-2.72 C
19978.4 C+0.03 C
19988.9 C+0.53 C
19999.3 C+0.92 C
20008.1 C-0.29 C
20019.2 C+0.81 C
20027.4 C-0.98 C
20038.8 C+0.43 C
20047.9 C-0.49 C
20058.7 C+0.40 C
20069.4 C+1.04 C
200711.3 C+2.93 C
20087.4 C-0.92 C
20107.5 C-0.83 C
20117.5 C-0.80 C
20129.5 C+1.19 C
20137.7 C-0.68 C
20147.4 C-0.96 C
20159.3 C+0.96 C
20169.4 C+1.01 C
20178.7 C+0.37 C
20187.1 C-1.28 C
20196.2 C-2.14 C
20208.6 C+0.25 C
20219.3 C+0.94 C
20227.8 C-0.54 C
20239.2 C+0.86 C
20249.3 C+0.94 C
20258.7 C+0.36 C

The fitted trend in annual mean temperature here over 1988 to 2025 is 0.1 C (-0.2 to 0.4) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.2 F (-0.4 to 0.8) per decade. The slope is a straight line fitted to 36 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at King Coulee Montana
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.1 C (-0.2 to 0.4) per decade0.2 F (-0.4 to 0.8) per decade1988 to 202536Not clearly different from zero
Mean daily maximum0.1 C (-0.3 to 0.4) per decade0.1 F (-0.5 to 0.8) per decade1988 to 202536Not clearly different from zero
Mean daily minimum0.2 C (-0.2 to 0.5) per decade0.3 F (-0.3 to 0.9) per decade1988 to 202536Not clearly different from zero

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1987 to 2026
Yearly extremes at King Coulee Montana: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)45.0 C (113.0 F)200738.3 C (100.9 F)40
Coldest night (TNn)-35.6 C (-32.1 F)2024-28.3 C (-18.9 F)40

Hottest day (TXx)

Hottest day (TXx) at King Coulee Montana by year The hottest day of the year at King Coulee Montana, 1987 to 2026. The record is 45.0 C (113.0 F) in 2007, marked on the chart; the median year is 38.3 C (100.9 F). 10203040501990200020102020Record: 45.0 C (113.0 F) in 2007
The hottest day of the year at King Coulee Montana, 1987 to 2026. The record is 45.0 C (113.0 F) in 2007, marked on the chart; the median year is 38.3 C (100.9 F).
Hottest day (TXx) at King Coulee Montana by year
YearHottest day (TXx)
198716.1 C (61.0 F)
198843.3 C (109.9 F)
198938.3 C (100.9 F)
199038.3 C (100.9 F)
199137.8 C (100.0 F)
199236.1 C (97.0 F)
199334.4 C (93.9 F)
199436.1 C (97.0 F)
199539.4 C (102.9 F)
199637.2 C (99.0 F)
199737.2 C (99.0 F)
199837.8 C (100.0 F)
199938.9 C (102.0 F)
200038.3 C (100.9 F)
200139.4 C (102.9 F)
200240.6 C (105.1 F)
200340.0 C (104.0 F)
200439.4 C (102.9 F)
200538.3 C (100.9 F)
200639.4 C (102.9 F)
200745.0 C (113.0 F)
200839.4 C (102.9 F)
200937.2 C (99.0 F)
201037.8 C (100.0 F)
201137.2 C (99.0 F)
201240.0 C (104.0 F)
201336.7 C (98.1 F)
201435.6 C (96.1 F)
201540.0 C (104.0 F)
201636.7 C (98.1 F)
201738.3 C (100.9 F)
201840.0 C (104.0 F)
201935.6 C (96.1 F)
202036.7 C (98.1 F)
202141.7 C (107.1 F)
202239.4 C (102.9 F)
202339.4 C (102.9 F)
202441.7 C (107.1 F)
202538.3 C (100.9 F)
202642.2 C (108.0 F)

Coldest night (TNn)

Coldest night (TNn) at King Coulee Montana by year The coldest night of the year at King Coulee Montana, 1987 to 2026. The record is -35.6 C (-32.1 F) in 2024, marked on the chart; the median year is -28.3 C (-18.9 F). -40-35-30-25-201990200020102020Record: -35.6 C (-32.1 F) in 2024
The coldest night of the year at King Coulee Montana, 1987 to 2026. The record is -35.6 C (-32.1 F) in 2024, marked on the chart; the median year is -28.3 C (-18.9 F).
Coldest night (TNn) at King Coulee Montana by year
YearColdest night (TNn)
1987-21.1 C (-6.0 F)
1988-27.2 C (-17.0 F)
1989-34.4 C (-29.9 F)
1990-33.3 C (-27.9 F)
1991-25.6 C (-14.1 F)
1992-32.2 C (-26.0 F)
1993-26.7 C (-16.1 F)
1994-30.6 C (-23.1 F)
1995-27.2 C (-17.0 F)
1996-33.9 C (-29.0 F)
1997-31.7 C (-25.1 F)
1998-29.4 C (-20.9 F)
1999-22.8 C (-9.0 F)
2000-26.1 C (-15.0 F)
2001-21.7 C (-7.1 F)
2002-23.3 C (-9.9 F)
2003-26.7 C (-16.1 F)
2004-31.1 C (-24.0 F)
2005-27.8 C (-18.0 F)
2006-30.0 C (-22.0 F)
2007-24.4 C (-11.9 F)
2008-31.1 C (-24.0 F)
2009-26.7 C (-16.1 F)
2010-22.2 C (-8.0 F)
2011-29.4 C (-20.9 F)
2012-28.3 C (-18.9 F)
2013-31.7 C (-25.1 F)
2014-28.9 C (-20.0 F)
2015-23.9 C (-11.0 F)
2016-27.2 C (-17.0 F)
2017-28.3 C (-18.9 F)
2018-28.9 C (-20.0 F)
2019-28.3 C (-18.9 F)
2020-26.7 C (-16.1 F)
2021-29.4 C (-20.9 F)
2022-31.1 C (-24.0 F)
2023-27.2 C (-17.0 F)
2024-35.6 C (-32.1 F)
2025-32.8 C (-27.0 F)
2026-28.9 C (-20.0 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

36 years with a frost

Across 36 years with a frost, the median last spring frost at King Coulee Montana falls on 2 May and the median first autumn frost on 5 October, which leaves a median of 158 days between them.

Fitted over all years, the growing season changes by +5.7 days per decade at this station.

Frost dates and growing season at King Coulee Montana
MeasureMedian, all yearsEarliest periodRecent period (1995 to 2025)Recent against earliestFitted trend
Last spring frost2 Mayn/a3 Mayn/a-1.0 days per decade
First autumn frost5 Octobern/a5 Octobern/a+4.8 days per decade
Growing days158 daysn/a160 daysn/a+5.7 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for King Coulee Montana standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for King Coulee Montana threshold days by year: CSV or JSON. Field meanings are on the data page.

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)) Data as of 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).