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Bluff Creek Montana Weather Records (USR0000MBLU)

Record envelope, standing records and threshold days for Bluff Creek Montana (USR0000MBLU), Montana, United States, with 39 years of record.

Key Facts for Bluff Creek Montana

  • Bluff Creek Montana (USR0000MBLU) is a weather station in Montana, United States at 48.87 latitude and -106.95 longitude, 777 m (2,550 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at Bluff Creek Montana still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Bluff Creek Montana set a daily record high maximum temperature of 26.1 C (79.0 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, 48.87 latitude, -106.95 longitude.
  • Elevation: 777 m (2,550 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

27 days at or beyond a record
Daily record high and record low at Bluff Creek Montana, with 2026 drawn through them The band shows the record high and record low for each calendar day at Bluff Creek Montana. The lines show the 2026 daily maximum and minimum. 27 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Bluff Creek Montana. The lines show the 2026 daily maximum and minimum. 27 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Bluff Creek Montana, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan13.3 C (55.9 F)-42.2 C (-44.0 F)6.7 C (44.1 F)-35.0 C (-31.0 F)
Feb20.6 C (69.1 F)-40.6 C (-41.1 F)12.8 C (55.0 F)-27.2 C (-17.0 F)
Mar24.4 C (75.9 F)-33.9 C (-29.0 F)22.8 C (73.0 F)-21.7 C (-7.1 F)
Apr30.6 C (87.1 F)-24.4 C (-11.9 F)27.2 C (81.0 F)-10.0 C (14.0 F)
May36.7 C (98.1 F)-10.6 C (12.9 F)36.1 C (97.0 F)-9.4 C (15.1 F)
Jun40.0 C (104.0 F)-3.3 C (26.1 F)27.8 C (82.0 F)1.7 C (35.1 F)
Jul41.7 C (107.1 F)3.3 C (37.9 F)38.9 C (102.0 F)8.9 C (48.0 F)
Aug41.7 C (107.1 F)-2.2 C (28.0 F)39.4 C (102.9 F)5.0 C (41.0 F)
Sep38.9 C (102.0 F)-12.8 C (9.0 F)33.9 C (93.0 F)0.0 C (32.0 F)
Oct32.8 C (91.0 F)-26.7 C (-16.1 F)26.7 C (80.1 F)-1.7 C (28.9 F)
Nov23.9 C (75.0 F)-33.9 C (-29.0 F)n/an/a
Dec13.9 C (57.0 F)-41.7 C (-43.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Bluff Creek Montana by the year they were set 1,464 records at Bluff Creek Montana still stand. 1985 holds the most, with 71. 0204060801985: 711986: 421987: 451988: 491989: 451990: 291991: 531992: 701993: 361994: 221995: 331996: 551997: 361998: 371999: 412000: 232001: 242002: 472003: 522004: 282005: 422006: 222007: 272008: 292009: 412010: 162011: 182012: 262013: 292014: 192015: 232016: 182017: 372018: 302019: 262020: 372021: 402022: 242023: 302024: 222025: 302026: 40198519901995200020052010201520202025
1,464 records at Bluff Creek Montana still stand. 1985 holds the most, with 71.
Standing records at Bluff Creek Montana by the year they were set
Year setStanding records
198571
198642
198745
198849
198945
199029
199153
199270
199336
199422
199533
199655
199736
199837
199941
200023
200124
200247
200352
200428
200542
200622
200727
200829
200941
201016
201118
201226
201329
201419
201523
201618
201737
201830
201926
202037
202140
202224
202330
202422
202530
202640

All-Time Record Progression

1 new records
When Bluff Creek Montana set new all-time records 1 all-time records were set at Bluff Creek Montana between 14 January 2024 and 14 January 2024. Each dot is a new record. Record low minimum temperature14 January 2024: Record low minimum temperature -42.2 C (-44.0 F)2025
1 all-time records were set at Bluff Creek Montana between 14 January 2024 and 14 January 2024. Each dot is a new record.
When Bluff Creek Montana set new all-time records
DateKindDetail
2024-01-14Record low minimum temperatureRecord low minimum temperature -42.2 C (-44.0 F)

Period of Record Coverage

1985 to 2026
Days with data per year at Bluff Creek Montana 42 years of record at Bluff Creek Montana, 1985 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1985, 1987, 2026. 1985: 313 of 365 days1986: 346 of 365 days1987: 320 of 365 days1988: 363 of 366 days1989: 362 of 365 days1990: 353 of 365 days1991: 359 of 365 days1992: 357 of 366 days1993: 353 of 365 days1994: 361 of 365 days1995: 360 of 365 days1996: 356 of 366 days1997: 360 of 365 days1998: 365 of 365 days1999: 363 of 365 days2000: 364 of 366 days2001: 365 of 365 days2002: 362 of 365 days2003: 363 of 365 days2004: 338 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 363 of 365 days2008: 364 of 366 days2009: 361 of 365 days2010: 365 of 365 days2011: 361 of 365 days2012: 365 of 366 days2013: 364 of 365 days2014: 363 of 365 days2015: 362 of 365 days2016: 362 of 366 days2017: 364 of 365 days2018: 364 of 365 days2019: 363 of 365 days2020: 364 of 366 days2021: 362 of 365 days2022: 361 of 365 days2023: 359 of 365 days2024: 363 of 366 days2025: 364 of 365 days2026: 281 of 365 days1990200020102020
42 years of record at Bluff Creek Montana, 1985 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1985, 1987, 2026.
Days with data per year at Bluff Creek Montana
YearDays with dataShare of yearComplete
198531386%No
198634695%Yes
198732088%No
198836399%Yes
198936299%Yes
199035397%Yes
199135998%Yes
199235798%Yes
199335397%Yes
199436199%Yes
199536099%Yes
199635697%Yes
199736099%Yes
1998365100%Yes
199936399%Yes
200036499%Yes
2001365100%Yes
200236299%Yes
200336399%Yes
200433892%Yes
2005365100%Yes
2006365100%Yes
200736399%Yes
200836499%Yes
200936199%Yes
2010365100%Yes
201136199%Yes
2012365100%Yes
2013364100%Yes
201436399%Yes
201536299%Yes
201636299%Yes
2017364100%Yes
2018364100%Yes
201936399%Yes
202036499%Yes
202136299%Yes
202236199%Yes
202335998%Yes
202436399%Yes
2025364100%Yes
202628177%No

Latest Records

20
Latest records at Bluff Creek Montana
DateStationRecordValueBeat old record byOld record stoodSignificance
9 October 2026Bluff Creek Montana, USdaily high max (Provisional)26.1 C (79.0 F)0.5 C (0.9 F)21 years10 of 100 (Routine)
25 September 2026Bluff Creek Montana, USdaily high min (Provisional)13.3 C (55.9 F)4.4 C (7.9 F)32 years23 of 100 (Routine)
14 September 2026Bluff Creek Montana, USdaily low max (Tie, Provisional)12.2 C (54.0 F)tie8 years1 of 100 (Routine)
2 September 2026Bluff Creek Montana, USdaily high min (Tie, Provisional)14.4 C (57.9 F)tie9 years1 of 100 (Routine)
7 August 2026Bluff Creek Montana, USdaily low min5.0 C (41.0 F)0.6 C (1.1 F)8 years7 of 100 (Routine)
3 August 2026Bluff Creek Montana, USdaily low max16.1 C (61.0 F)1.7 C (3.1 F)13 years11 of 100 (Routine)
1 August 2026Bluff Creek Montana, USdaily high max39.4 C (102.9 F)1.6 C (2.9 F)36 years17 of 100 (Routine)
25 July 2026Bluff Creek Montana, USdaily high max38.9 C (102.0 F)2.2 C (4.0 F)1 year8 of 100 (Routine)
12 July 2026Bluff Creek Montana, USdaily high max38.9 C (102.0 F)0.6 C (1.1 F)20 years11 of 100 (Routine)
11 July 2026Bluff Creek Montana, USdaily high max (Tie)36.7 C (98.1 F)tie1 year1 of 100 (Routine)
7 July 2026Bluff Creek Montana, USdaily low max18.3 C (64.9 F)2.8 C (5.0 F)29 years17 of 100 (Routine)
14 June 2026Bluff Creek Montana, USdaily low min1.7 C (35.1 F)1.1 C (2.0 F)32 years15 of 100 (Routine)
30 May 2026Bluff Creek Montana, USdaily high min15.6 C (60.1 F)1.2 C (2.2 F)37 years17 of 100 (Routine)
28 May 2026Bluff Creek Montana, USmonthly high min19.4 C (66.9 F)0.5 C (0.9 F)0 years15 of 100 (Routine)
28 May 2026Bluff Creek Montana, USdaily high max32.8 C (91.0 F)2.8 C (5.0 F)12 years11 of 100 (Routine)
27 May 2026Bluff Creek Montana, USmonthly high min18.9 C (66.0 F)1.7 C (3.1 F)37 years28 of 100 (Routine)
27 May 2026Bluff Creek Montana, USdaily high max34.4 C (93.9 F)4.4 C (7.9 F)32 years20 of 100 (Routine)
26 May 2026Bluff Creek Montana, USdaily high max36.1 C (97.0 F)5.5 C (9.9 F)8 years15 of 100 (Routine)
25 May 2026Bluff Creek Montana, USdaily high max31.1 C (88.0 F)2.8 C (5.0 F)8 years10 of 100 (Routine)
6 May 2026Bluff Creek Montana, USdaily low min-9.4 C (15.1 F)4.4 C (7.9 F)24 years20 of 100 (Routine)

Climate Trend

38 complete years, 1986 to 2025
Annual mean temperature at Bluff Creek Montana as warming stripes, 1986 to 2025 One stripe for each of 38 complete years at Bluff Creek Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 4.8 C (40.6 F); red stripes are warmer. The coolest year was 1996, at 2.2 C (35.9 F), and the warmest was 2016, at 6.2 C (43.1 F). The strongest colour marks a difference of 2.6 C (4.7 F). 1986: 4.9 C, +0.1 C from the station mean1988: 5.7 C, +0.9 C from the station mean1989: 3.8 C, -1.0 C from the station mean1990: 4.9 C, +0.1 C from the station mean1991: 5.4 C, +0.6 C from the station mean1992: 5.5 C, +0.7 C from the station mean1993: 3.5 C, -1.3 C from the station mean1994: 4.8 C, 0.0 C from the station mean1995: 4.1 C, -0.7 C from the station mean1996: 2.2 C, -2.6 C from the station mean1997: 4.7 C, -0.1 C from the station mean1998: 6.1 C, +1.3 C from the station mean1999: 5.7 C, +0.9 C from the station mean2000: 4.5 C, -0.3 C from the station mean2001: 5.6 C, +0.8 C from the station mean2002: 3.8 C, -1.0 C from the station mean2003: 4.7 C, -0.1 C from the station mean2005: 5.5 C, +0.7 C from the station mean2006: 5.9 C, +1.1 C from the station mean2007: 5.6 C, +0.9 C from the station mean2008: 4.6 C, -0.2 C from the station mean2009: 3.6 C, -1.2 C from the station mean2010: 4.2 C, -0.6 C from the station mean2011: 4.3 C, -0.5 C from the station mean2012: 5.9 C, +1.1 C from the station mean2013: 4.2 C, -0.6 C from the station mean2014: 4.3 C, -0.5 C from the station mean2015: 5.9 C, +1.1 C from the station mean2016: 6.2 C, +1.4 C from the station mean2017: 5.2 C, +0.4 C from the station mean2018: 3.1 C, -1.7 C from the station mean2019: 2.8 C, -2.0 C from the station mean2020: 4.6 C, -0.2 C from the station mean2021: 5.5 C, +0.7 C from the station mean2022: 4.5 C, -0.3 C from the station mean2023: 5.5 C, +0.7 C from the station mean2024: 5.7 C, +0.9 C from the station mean2025: 5.3 C, +0.5 C from the station mean198619901995200020052010201520202025
One stripe for each of 38 complete years at Bluff Creek Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 4.8 C (40.6 F); red stripes are warmer. The coolest year was 1996, at 2.2 C (35.9 F), and the warmest was 2016, at 6.2 C (43.1 F). The strongest colour marks a difference of 2.6 C (4.7 F).
Annual mean temperature at Bluff Creek Montana as warming stripes, 1986 to 2025
YearAnnual mean temperatureDifference from the station mean
19864.9 C+0.10 C
19885.7 C+0.88 C
19893.8 C-0.99 C
19904.9 C+0.07 C
19915.4 C+0.58 C
19925.5 C+0.75 C
19933.5 C-1.30 C
19944.8 C-0.03 C
19954.1 C-0.68 C
19962.2 C-2.59 C
19974.7 C-0.11 C
19986.1 C+1.32 C
19995.7 C+0.90 C
20004.5 C-0.26 C
20015.6 C+0.77 C
20023.8 C-0.95 C
20034.7 C-0.12 C
20055.5 C+0.68 C
20065.9 C+1.10 C
20075.6 C+0.86 C
20084.6 C-0.22 C
20093.6 C-1.22 C
20104.2 C-0.57 C
20114.3 C-0.52 C
20125.9 C+1.09 C
20134.2 C-0.60 C
20144.3 C-0.51 C
20155.9 C+1.11 C
20166.2 C+1.41 C
20175.2 C+0.45 C
20183.1 C-1.69 C
20192.8 C-2.03 C
20204.6 C-0.21 C
20215.5 C+0.75 C
20224.5 C-0.26 C
20235.5 C+0.75 C
20245.7 C+0.93 C
20255.3 C+0.49 C

The fitted trend in annual mean temperature here over 1986 to 2025 is 0.1 C (-0.2 to 0.3) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.1 F (-0.4 to 0.6) per decade. The slope is a straight line fitted to 38 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Bluff Creek Montana
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.1 C (-0.2 to 0.3) per decade0.1 F (-0.4 to 0.6) per decade1986 to 202538Not clearly different from zero
Mean daily maximum0.1 C (-0.2 to 0.5) per decade0.3 F (-0.3 to 0.8) per decade1986 to 202538Not clearly different from zero
Mean daily minimum-0.03 C (-0.29 to 0.24) per decade-0.05 F (-0.52 to 0.43) per decade1986 to 202538Not 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

1985 to 2026
Yearly extremes at Bluff Creek Montana: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.7 C (107.1 F)199238.1 C (100.5 F)42
Coldest night (TNn)-42.2 C (-44.0 F)2024-36.7 C (-34.1 F)42

Hottest day (TXx)

Hottest day (TXx) at Bluff Creek Montana by year The hottest day of the year at Bluff Creek Montana, 1985 to 2026. The record is 41.7 C (107.1 F) in 1992, marked on the chart; the median year is 38.1 C (100.5 F). 34363840421990200020102020Record: 41.7 C (107.1 F) in 1992
The hottest day of the year at Bluff Creek Montana, 1985 to 2026. The record is 41.7 C (107.1 F) in 1992, marked on the chart; the median year is 38.1 C (100.5 F).
Hottest day (TXx) at Bluff Creek Montana by year
YearHottest day (TXx)
198537.8 C (100.0 F)
198635.6 C (96.1 F)
198736.1 C (97.0 F)
198840.0 C (104.0 F)
198937.8 C (100.0 F)
199038.9 C (102.0 F)
199137.8 C (100.0 F)
199241.7 C (107.1 F)
199334.4 C (93.9 F)
199436.7 C (98.1 F)
199538.9 C (102.0 F)
199638.9 C (102.0 F)
199736.1 C (97.0 F)
199837.8 C (100.0 F)
199936.1 C (97.0 F)
200038.9 C (102.0 F)
200138.9 C (102.0 F)
200239.4 C (102.9 F)
200339.4 C (102.9 F)
200436.7 C (98.1 F)
200538.3 C (100.9 F)
200638.3 C (100.9 F)
200741.7 C (107.1 F)
200839.4 C (102.9 F)
200937.2 C (99.0 F)
201037.2 C (99.0 F)
201137.2 C (99.0 F)
201236.7 C (98.1 F)
201337.8 C (100.0 F)
201435.6 C (96.1 F)
201537.8 C (100.0 F)
201635.6 C (96.1 F)
201738.9 C (102.0 F)
201840.6 C (105.1 F)
201936.1 C (97.0 F)
202037.8 C (100.0 F)
202138.9 C (102.0 F)
202238.9 C (102.0 F)
202340.0 C (104.0 F)
202440.6 C (105.1 F)
202538.3 C (100.9 F)
202639.4 C (102.9 F)

Coldest night (TNn)

Coldest night (TNn) at Bluff Creek Montana by year The coldest night of the year at Bluff Creek Montana, 1985 to 2026. The record is -42.2 C (-44.0 F) in 2024, marked on the chart; the median year is -36.7 C (-34.1 F). -45-40-35-30-251990200020102020Record: -42.2 C (-44.0 F) in 2024
The coldest night of the year at Bluff Creek Montana, 1985 to 2026. The record is -42.2 C (-44.0 F) in 2024, marked on the chart; the median year is -36.7 C (-34.1 F).
Coldest night (TNn) at Bluff Creek Montana by year
YearColdest night (TNn)
1985-36.7 C (-34.1 F)
1986-36.7 C (-34.1 F)
1987-28.3 C (-18.9 F)
1988-36.7 C (-34.1 F)
1989-41.7 C (-43.1 F)
1990-38.9 C (-38.0 F)
1991-36.7 C (-34.1 F)
1992-32.2 C (-26.0 F)
1993-34.4 C (-29.9 F)
1994-39.4 C (-38.9 F)
1995-31.7 C (-25.1 F)
1996-40.0 C (-40.0 F)
1997-39.4 C (-38.9 F)
1998-37.2 C (-35.0 F)
1999-29.4 C (-20.9 F)
2000-34.4 C (-29.9 F)
2001-32.8 C (-27.0 F)
2002-35.0 C (-31.0 F)
2003-37.2 C (-35.0 F)
2004-35.0 C (-31.0 F)
2005-38.3 C (-36.9 F)
2006-33.3 C (-27.9 F)
2007-31.7 C (-25.1 F)
2008-33.3 C (-27.9 F)
2009-37.8 C (-36.0 F)
2010-36.1 C (-33.0 F)
2011-39.4 C (-38.9 F)
2012-31.7 C (-25.1 F)
2013-37.2 C (-35.0 F)
2014-33.9 C (-29.0 F)
2015-33.3 C (-27.9 F)
2016-35.6 C (-32.1 F)
2017-41.7 C (-43.1 F)
2018-40.0 C (-40.0 F)
2019-39.4 C (-38.9 F)
2020-32.2 C (-26.0 F)
2021-38.3 C (-36.9 F)
2022-37.8 C (-36.0 F)
2023-30.0 C (-22.0 F)
2024-42.2 C (-44.0 F)
2025-40.6 C (-41.1 F)
2026-35.0 C (-31.0 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

38 years with a frost

Across 38 years with a frost, the median last spring frost at Bluff Creek Montana falls on 19 May and the median first autumn frost on 14 September, which leaves a median of 118 days between them.

Fitted over all years, the growing season changes by -1.1 days per decade at this station.

Frost dates and growing season at Bluff Creek Montana
MeasureMedian, all yearsEarliest periodRecent period (1995 to 2025)Recent against earliestFitted trend
Last spring frost19 Mayn/a21 Mayn/a+1.9 days per decade
First autumn frost14 Septembern/a14 Septembern/a+0.8 days per decade
Growing days118 daysn/a118 daysn/a-1.1 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 Bluff Creek Montana standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Bluff Creek 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-16).