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Fort Belknap Montana Weather Records (USR0000MFOR)

Record envelope, standing records and threshold days for Fort Belknap Montana (USR0000MFOR), Montana, United States, with 32 years of record.

Key Facts for Fort Belknap Montana

  • Fort Belknap Montana (USR0000MFOR) is a weather station in Montana, United States at 48.30 latitude and -108.72 longitude, 812 m (2,665 ft) above sea level.
  • The station reports from 1992 to 2023, 32 years of record.
  • 1,464 records set at Fort Belknap Montana still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Fort Belknap Montana set a daily record high minimum temperature of 14.4 C (57.9 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, 48.30 latitude, -108.72 longitude.
  • Elevation: 812 m (2,665 ft).
  • Period of record: 1992 to 2023, 32 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

37 days at or beyond a record
Daily record high and record low at Fort Belknap Montana, with 2026 drawn through them The band shows the record high and record low for each calendar day at Fort Belknap Montana. The lines show the 2026 daily maximum and minimum. 37 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 Fort Belknap Montana. The lines show the 2026 daily maximum and minimum. 37 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Fort Belknap Montana, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan21.1 C (70.0 F)-39.4 C (-38.9 F)17.2 C (63.0 F)-30.6 C (-23.1 F)
Feb22.8 C (73.0 F)-36.1 C (-33.0 F)17.8 C (64.0 F)-23.9 C (-11.0 F)
Mar26.7 C (80.1 F)-28.9 C (-20.0 F)25.6 C (78.1 F)-20.0 C (-4.0 F)
Apr30.6 C (87.1 F)-18.9 C (-2.0 F)27.2 C (81.0 F)-8.3 C (17.1 F)
May33.9 C (93.0 F)-7.2 C (19.0 F)33.9 C (93.0 F)-3.9 C (25.0 F)
Jun40.0 C (104.0 F)0.0 C (32.0 F)27.8 C (82.0 F)6.1 C (43.0 F)
Jul41.7 C (107.1 F)5.6 C (42.1 F)41.1 C (106.0 F)11.1 C (52.0 F)
Aug41.7 C (107.1 F)2.2 C (36.0 F)41.7 C (107.1 F)6.1 C (43.0 F)
Sep39.4 C (102.9 F)-6.7 C (19.9 F)32.2 C (90.0 F)1.7 C (35.1 F)
Oct33.9 C (93.0 F)-17.8 C (0.0 F)30.0 C (86.0 F)0.0 C (32.0 F)
Nov25.0 C (77.0 F)-28.3 C (-18.9 F)n/an/a
Dec20.0 C (68.0 F)-35.0 C (-31.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Fort Belknap Montana by the year they were set 1,464 records at Fort Belknap Montana still stand. 1996 holds the most, with 87. 02550751001992: 321993: 511994: 401995: 421996: 871997: 601998: 351999: 442000: 362001: 392002: 632003: 652004: 382005: 512006: 372007: 242008: 392009: 442010: 322011: 172012: 322013: 232014: 332015: 382016: 332017: 452018: 382019: 382020: 442021: 572022: 472023: 352024: 312025: 452026: 49199219962000200420082012201620202024
1,464 records at Fort Belknap Montana still stand. 1996 holds the most, with 87.
Standing records at Fort Belknap Montana by the year they were set
Year setStanding records
199232
199351
199440
199542
199687
199760
199835
199944
200036
200139
200263
200365
200438
200551
200637
200724
200839
200944
201032
201117
201232
201323
201433
201538
201633
201745
201838
201938
202044
202157
202247
202335
202431
202545
202649

All-Time Record Progression

3 new records
When Fort Belknap Montana set new all-time records 3 all-time records were set at Fort Belknap Montana between 12 January 2024 and 14 January 2024. Each dot is a new record. Record low maximum temperatureRecord low minimum temperature12 January 2024: Record low maximum temperature -29.4 C (-20.9 F)13 January 2024: Record low minimum temperature -38.9 C (-38.0 F)14 January 2024: Record low minimum temperature -39.4 C (-38.9 F)2025
3 all-time records were set at Fort Belknap Montana between 12 January 2024 and 14 January 2024. Each dot is a new record.
When Fort Belknap Montana set new all-time records
DateKindDetail
2024-01-12Record low maximum temperatureRecord low maximum temperature -29.4 C (-20.9 F)
2024-01-13Record low minimum temperatureRecord low minimum temperature -38.9 C (-38.0 F)
2024-01-14Record low minimum temperatureRecord low minimum temperature -39.4 C (-38.9 F)

Period of Record Coverage

1992 to 2026
Days with data per year at Fort Belknap Montana 35 years of record at Fort Belknap Montana, 1992 to 2026. 5 years have data for under 90 percent of days and are left out of rankings: 1992, 2011, 2012, 2022, 2026. 1992: 155 of 366 days1993: 355 of 365 days1994: 356 of 365 days1995: 361 of 365 days1996: 361 of 366 days1997: 359 of 365 days1998: 363 of 365 days1999: 355 of 365 days2000: 355 of 366 days2001: 363 of 365 days2002: 362 of 365 days2003: 356 of 365 days2004: 362 of 366 days2005: 361 of 365 days2006: 363 of 365 days2007: 358 of 365 days2008: 362 of 366 days2009: 360 of 365 days2010: 364 of 365 days2011: 263 of 365 days2012: 294 of 366 days2013: 364 of 365 days2014: 361 of 365 days2015: 361 of 365 days2016: 363 of 366 days2017: 361 of 365 days2018: 361 of 365 days2019: 363 of 365 days2020: 365 of 366 days2021: 364 of 365 days2022: 316 of 365 days2023: 363 of 365 days2024: 360 of 366 days2025: 361 of 365 days2026: 281 of 365 days1995200020052010201520202025
35 years of record at Fort Belknap Montana, 1992 to 2026. 5 years have data for under 90 percent of days and are left out of rankings: 1992, 2011, 2012, 2022, 2026.
Days with data per year at Fort Belknap Montana
YearDays with dataShare of yearComplete
199215542%No
199335597%Yes
199435698%Yes
199536199%Yes
199636199%Yes
199735998%Yes
199836399%Yes
199935597%Yes
200035597%Yes
200136399%Yes
200236299%Yes
200335698%Yes
200436299%Yes
200536199%Yes
200636399%Yes
200735898%Yes
200836299%Yes
200936099%Yes
2010364100%Yes
201126372%No
201229480%No
2013364100%Yes
201436199%Yes
201536199%Yes
201636399%Yes
201736199%Yes
201836199%Yes
201936399%Yes
2020365100%Yes
2021364100%Yes
202231687%No
202336399%Yes
202436098%Yes
202536199%Yes
202628177%No

Latest Records

20
Latest records at Fort Belknap Montana
DateStationRecordValueBeat old record byOld record stoodSignificance
9 October 2026Fort Belknap Montana, USdaily high min (Provisional)14.4 C (57.9 F)2.2 C (4.0 F)11 years10 of 100 (Routine)
13 August 2026Fort Belknap Montana, USdaily low max (Tie)16.1 C (61.0 F)tie31 years3 of 100 (Routine)
7 August 2026Fort Belknap Montana, USdaily low min8.9 C (48.0 F)0.5 C (0.9 F)12 years7 of 100 (Routine)
4 August 2026Fort Belknap Montana, USdaily low min6.1 C (43.0 F)2.8 C (5.0 F)33 years21 of 100 (Routine)
1 August 2026Fort Belknap Montana, USall-time high max (Tie)41.7 C (107.1 F)tie7 years6 of 100 (Routine)
29 July 2026Fort Belknap Montana, USdaily high min21.1 C (70.0 F)0.5 C (0.9 F)19 years9 of 100 (Routine)
26 July 2026Fort Belknap Montana, USdaily high min21.1 C (70.0 F)1.1 C (2.0 F)20 years12 of 100 (Routine)
25 July 2026Fort Belknap Montana, USdaily high max41.1 C (106.0 F)3.3 C (5.9 F)1 year9 of 100 (Routine)
14 July 2026Fort Belknap Montana, USdaily high min (Tie)20.0 C (68.0 F)tie13 years1 of 100 (Routine)
13 July 2026Fort Belknap Montana, USdaily high min (Tie)19.4 C (66.9 F)tie25 years2 of 100 (Routine)
12 July 2026Fort Belknap Montana, USdaily high max41.1 C (106.0 F)3.3 C (5.9 F)23 years15 of 100 (Routine)
11 July 2026Fort Belknap Montana, USdaily high max40.6 C (105.1 F)2.3 C (4.1 F)1 year7 of 100 (Routine)
7 July 2026Fort Belknap Montana, USdaily low max (Tie)20.6 C (69.1 F)tie32 years3 of 100 (Routine)
1 June 2026Fort Belknap Montana, USdaily low max11.1 C (52.0 F)1.1 C (2.0 F)32 years14 of 100 (Routine)
30 May 2026Fort Belknap Montana, USdaily high min14.4 C (57.9 F)0.5 C (0.9 F)24 years11 of 100 (Routine)
29 May 2026Fort Belknap Montana, USmonthly high min17.2 C (63.0 F)0.5 C (0.9 F)20 years20 of 100 (Routine)
29 May 2026Fort Belknap Montana, USdaily high max32.2 C (90.0 F)3.9 C (7.0 F)23 years15 of 100 (Routine)
28 May 2026Fort Belknap Montana, USdaily high min16.1 C (61.0 F)3.9 C (7.0 F)16 years17 of 100 (Routine)
28 May 2026Fort Belknap Montana, USdaily high max32.2 C (90.0 F)1.6 C (2.9 F)23 years11 of 100 (Routine)
27 May 2026Fort Belknap Montana, USdaily high max32.8 C (91.0 F)3.4 C (6.1 F)27 years16 of 100 (Routine)

Climate Trend

29 complete years, 1993 to 2025
Annual mean temperature at Fort Belknap Montana as warming stripes, 1993 to 2025 One stripe for each of 29 complete years at Fort Belknap Montana, 1993 to 2025. Blue stripes are years cooler than the station's own mean of 7.3 C (45.2 F); red stripes are warmer. The coolest year was 1996, at 5.1 C (41.3 F), and the warmest was 1999, at 8.9 C (47.9 F). The strongest colour marks a difference of 2.2 C (4.0 F). 1993: 6.0 C, -1.4 C from the station mean1994: 7.2 C, -0.1 C from the station mean1995: 6.5 C, -0.9 C from the station mean1996: 5.1 C, -2.2 C from the station mean1997: 7.7 C, +0.4 C from the station mean1998: 8.2 C, +0.9 C from the station mean1999: 8.9 C, +1.5 C from the station mean2001: 8.4 C, +1.1 C from the station mean2002: 6.7 C, -0.6 C from the station mean2003: 7.9 C, +0.6 C from the station mean2004: 7.0 C, -0.4 C from the station mean2005: 8.0 C, +0.6 C from the station mean2006: 8.6 C, +1.3 C from the station mean2007: 8.3 C, +0.9 C from the station mean2008: 6.5 C, -0.8 C from the station mean2009: 6.1 C, -1.3 C from the station mean2010: 5.7 C, -1.6 C from the station mean2013: 6.9 C, -0.4 C from the station mean2014: 6.8 C, -0.5 C from the station mean2015: 8.4 C, +1.0 C from the station mean2016: 8.5 C, +1.2 C from the station mean2017: 7.7 C, +0.4 C from the station mean2018: 6.1 C, -1.2 C from the station mean2019: 5.5 C, -1.8 C from the station mean2020: 7.9 C, +0.5 C from the station mean2021: 8.2 C, +0.9 C from the station mean2023: 8.2 C, +0.8 C from the station mean2024: 8.1 C, +0.8 C from the station mean2025: 7.9 C, +0.5 C from the station mean1993200020052010201520202025
One stripe for each of 29 complete years at Fort Belknap Montana, 1993 to 2025. Blue stripes are years cooler than the station's own mean of 7.3 C (45.2 F); red stripes are warmer. The coolest year was 1996, at 5.1 C (41.3 F), and the warmest was 1999, at 8.9 C (47.9 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Fort Belknap Montana as warming stripes, 1993 to 2025
YearAnnual mean temperatureDifference from the station mean
19936.0 C-1.37 C
19947.2 C-0.15 C
19956.5 C-0.86 C
19965.1 C-2.20 C
19977.7 C+0.35 C
19988.2 C+0.86 C
19998.9 C+1.51 C
20018.4 C+1.07 C
20026.7 C-0.61 C
20037.9 C+0.55 C
20047.0 C-0.36 C
20058.0 C+0.63 C
20068.6 C+1.28 C
20078.3 C+0.92 C
20086.5 C-0.81 C
20096.1 C-1.27 C
20105.7 C-1.63 C
20136.9 C-0.43 C
20146.8 C-0.51 C
20158.4 C+1.03 C
20168.5 C+1.20 C
20177.7 C+0.39 C
20186.1 C-1.24 C
20195.5 C-1.84 C
20207.9 C+0.51 C
20218.2 C+0.85 C
20238.2 C+0.82 C
20248.1 C+0.78 C
20257.9 C+0.52 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1992 to 2026
Yearly extremes at Fort Belknap Montana: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.7 C (107.1 F)201838.3 C (100.9 F)35
Coldest night (TNn)-39.4 C (-38.9 F)2024-31.1 C (-24.0 F)35

Hottest day (TXx)

Hottest day (TXx) at Fort Belknap Montana by year The hottest day of the year at Fort Belknap Montana, 1992 to 2026. The record is 41.7 C (107.1 F) in 2018, marked on the chart; the median year is 38.3 C (100.9 F). 3436384042200020102020Record: 41.7 C (107.1 F) in 2018
The hottest day of the year at Fort Belknap Montana, 1992 to 2026. The record is 41.7 C (107.1 F) in 2018, marked on the chart; the median year is 38.3 C (100.9 F).
Hottest day (TXx) at Fort Belknap Montana by year
YearHottest day (TXx)
199235.6 C (96.1 F)
199335.0 C (95.0 F)
199437.2 C (99.0 F)
199536.1 C (97.0 F)
199638.3 C (100.9 F)
199738.3 C (100.9 F)
199838.3 C (100.9 F)
199937.8 C (100.0 F)
200037.8 C (100.0 F)
200139.4 C (102.9 F)
200238.3 C (100.9 F)
200340.6 C (105.1 F)
200435.6 C (96.1 F)
200538.3 C (100.9 F)
200638.3 C (100.9 F)
200740.0 C (104.0 F)
200838.9 C (102.0 F)
200935.6 C (96.1 F)
201038.9 C (102.0 F)
201136.7 C (98.1 F)
201238.3 C (100.9 F)
201336.7 C (98.1 F)
201435.6 C (96.1 F)
201537.8 C (100.0 F)
201636.7 C (98.1 F)
201737.8 C (100.0 F)
201841.7 C (107.1 F)
201936.7 C (98.1 F)
202037.2 C (99.0 F)
202140.0 C (104.0 F)
202239.4 C (102.9 F)
202340.0 C (104.0 F)
202441.7 C (107.1 F)
202537.2 C (99.0 F)
202641.7 C (107.1 F)

Coldest night (TNn)

Coldest night (TNn) at Fort Belknap Montana by year The coldest night of the year at Fort Belknap Montana, 1992 to 2026. The record is -39.4 C (-38.9 F) in 2024, marked on the chart; the median year is -31.1 C (-24.0 F). -40-30-20-10200020102020Record: -39.4 C (-38.9 F) in 2024
The coldest night of the year at Fort Belknap Montana, 1992 to 2026. The record is -39.4 C (-38.9 F) in 2024, marked on the chart; the median year is -31.1 C (-24.0 F).
Coldest night (TNn) at Fort Belknap Montana by year
YearColdest night (TNn)
1992-35.0 C (-31.0 F)
1993-30.0 C (-22.0 F)
1994-33.9 C (-29.0 F)
1995-27.8 C (-18.0 F)
1996-36.1 C (-33.0 F)
1997-31.7 C (-25.1 F)
1998-31.7 C (-25.1 F)
1999-22.2 C (-8.0 F)
2000-30.6 C (-23.1 F)
2001-25.0 C (-13.0 F)
2002-27.2 C (-17.0 F)
2003-28.3 C (-18.9 F)
2004-32.2 C (-26.0 F)
2005-33.9 C (-29.0 F)
2006-30.6 C (-23.1 F)
2007-27.8 C (-18.0 F)
2008-33.9 C (-29.0 F)
2009-31.1 C (-24.0 F)
2010-31.7 C (-25.1 F)
2011-18.9 C (-2.0 F)
2012-25.0 C (-13.0 F)
2013-34.4 C (-29.9 F)
2014-30.0 C (-22.0 F)
2015-25.0 C (-13.0 F)
2016-30.0 C (-22.0 F)
2017-33.3 C (-27.9 F)
2018-35.0 C (-31.0 F)
2019-33.3 C (-27.9 F)
2020-28.9 C (-20.0 F)
2021-31.7 C (-25.1 F)
2022-31.7 C (-25.1 F)
2023-28.3 C (-18.9 F)
2024-39.4 C (-38.9 F)
2025-36.1 C (-33.0 F)
2026-30.6 C (-23.1 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

29 years with a frost

Across 29 years with a frost, the median last spring frost at Fort Belknap Montana falls on 11 May and the median first autumn frost on 2 October, which leaves a median of 143 days between them.

Fitted over all years, the growing season changes by +5.4 days per decade at this station.

Frost dates and growing season at Fort Belknap Montana
MeasureMedian, all yearsEarliest periodRecent period (1993 to 2025)Recent against earliestFitted trend
Last spring frost11 Mayn/a11 Mayn/a-2.4 days per decade
First autumn frost2 Octobern/a2 Octobern/a+3.0 days per decade
Growing days143 daysn/a143 daysn/a+5.4 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 Fort Belknap Montana standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Fort Belknap 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

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