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South Sawmill Creek Montana Weather Records (USR0000MSSC)

Record envelope, standing records and threshold days for South Sawmill Creek Montana (USR0000MSSC), Montana, United States, with 39 years of record.

Key Facts for South Sawmill Creek Montana

  • South Sawmill Creek Montana (USR0000MSSC) is a weather station in Montana, United States at 47.56 latitude and -107.53 longitude, 1,003 m (3,290 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at South Sawmill Creek Montana still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • South Sawmill Creek Montana set a daily record high maximum temperature of 30.0 C (86.0 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, 47.56 latitude, -107.53 longitude.
  • Elevation: 1,003 m (3,290 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

21 days at or beyond a record
Daily record high and record low at South Sawmill Creek Montana, with 2026 drawn through them The band shows the record high and record low for each calendar day at South Sawmill Creek Montana. The lines show the 2026 daily maximum and minimum. 21 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 South Sawmill Creek Montana. The lines show the 2026 daily maximum and minimum. 21 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at South Sawmill Creek Montana, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan19.4 C (66.9 F)-37.2 C (-35.0 F)14.4 C (57.9 F)-29.4 C (-20.9 F)
Feb21.7 C (71.1 F)-35.1 C (-31.2 F)18.3 C (64.9 F)-21.1 C (-6.0 F)
Mar25.6 C (78.1 F)-30.0 C (-22.0 F)24.4 C (75.9 F)-15.0 C (5.0 F)
Apr32.2 C (90.0 F)-17.2 C (1.0 F)27.2 C (81.0 F)-8.9 C (16.0 F)
May34.4 C (93.9 F)-5.0 C (23.0 F)33.9 C (93.0 F)-0.6 C (30.9 F)
Jun41.1 C (106.0 F)0.0 C (32.0 F)28.3 C (82.9 F)3.3 C (37.9 F)
Jul43.3 C (109.9 F)5.0 C (41.0 F)43.3 C (109.9 F)12.2 C (54.0 F)
Aug40.6 C (105.1 F)3.3 C (37.9 F)40.6 C (105.1 F)8.9 C (48.0 F)
Sep38.3 C (100.9 F)-4.9 C (23.2 F)34.4 C (93.9 F)5.6 C (42.1 F)
Oct33.3 C (91.9 F)-18.3 C (-0.9 F)30.0 C (86.0 F)1.1 C (34.0 F)
Nov26.1 C (79.0 F)-30.4 C (-22.7 F)n/an/a
Dec20.6 C (69.1 F)-33.3 C (-27.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at South Sawmill Creek Montana by the year they were set 1,464 records at South Sawmill Creek Montana still stand. 1985 holds the most, with 76. 0204060801985: 761986: 411987: 511988: 391989: 271990: 421991: 451992: 731993: 371994: 331995: 351996: 551997: 451998: 251999: 412000: 302001: 332002: 392003: 402004: 242005: 442006: 242007: 182008: 282009: 332010: 142011: 182012: 342013: 172014: 292015: 322016: 192017: 272018: 312019: 282020: 422021: 482022: 282023: 262024: 322025: 302026: 31198519901995200020052010201520202025
1,464 records at South Sawmill Creek Montana still stand. 1985 holds the most, with 76.
Standing records at South Sawmill Creek Montana by the year they were set
Year setStanding records
198576
198641
198751
198839
198927
199042
199145
199273
199337
199433
199535
199655
199745
199825
199941
200030
200133
200239
200340
200424
200544
200624
200718
200828
200933
201014
201118
201234
201317
201429
201532
201619
201727
201831
201928
202042
202148
202228
202326
202432
202530
202631

All-Time Record Progression

4 new records
When South Sawmill Creek Montana set new all-time records 4 all-time records were set at South Sawmill Creek Montana between 15 June 2021 and 12 July 2026. Each dot is a new record. Record high maximum temperatureRecord low minimum temperature15 June 2021: Record high maximum temperature 41.1 C (106.0 F)12 January 2024: Record low minimum temperature -36.7 C (-34.1 F)13 January 2024: Record low minimum temperature -37.2 C (-35.0 F)12 July 2026: Record high maximum temperature 43.3 C (109.9 F)2025
4 all-time records were set at South Sawmill Creek Montana between 15 June 2021 and 12 July 2026. Each dot is a new record.
When South Sawmill Creek Montana set new all-time records
DateKindDetail
2021-06-15Record high maximum temperatureRecord high maximum temperature 41.1 C (106.0 F)
2024-01-12Record low minimum temperatureRecord low minimum temperature -36.7 C (-34.1 F)
2024-01-13Record low minimum temperatureRecord low minimum temperature -37.2 C (-35.0 F)
2026-07-12Record high maximum temperatureRecord high maximum temperature 43.3 C (109.9 F)

Period of Record Coverage

1985 to 2026
Days with data per year at South Sawmill Creek Montana 42 years of record at South Sawmill Creek Montana, 1985 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1985, 2026. 1985: 307 of 365 days1986: 348 of 365 days1987: 356 of 365 days1988: 362 of 366 days1989: 362 of 365 days1990: 357 of 365 days1991: 356 of 365 days1992: 356 of 366 days1993: 348 of 365 days1994: 357 of 365 days1995: 354 of 365 days1996: 362 of 366 days1997: 359 of 365 days1998: 359 of 365 days1999: 363 of 365 days2000: 362 of 366 days2001: 362 of 365 days2002: 360 of 365 days2003: 360 of 365 days2004: 362 of 366 days2005: 363 of 365 days2006: 365 of 365 days2007: 359 of 365 days2008: 361 of 366 days2009: 362 of 365 days2010: 363 of 365 days2011: 363 of 365 days2012: 359 of 366 days2013: 360 of 365 days2014: 360 of 365 days2015: 359 of 365 days2016: 358 of 366 days2017: 360 of 365 days2018: 363 of 365 days2019: 362 of 365 days2020: 361 of 366 days2021: 355 of 365 days2022: 351 of 365 days2023: 362 of 365 days2024: 366 of 366 days2025: 360 of 365 days2026: 282 of 365 days1990200020102020
42 years of record at South Sawmill Creek Montana, 1985 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1985, 2026.
Days with data per year at South Sawmill Creek Montana
YearDays with dataShare of yearComplete
198530784%No
198634895%Yes
198735698%Yes
198836299%Yes
198936299%Yes
199035798%Yes
199135698%Yes
199235697%Yes
199334895%Yes
199435798%Yes
199535497%Yes
199636299%Yes
199735998%Yes
199835998%Yes
199936399%Yes
200036299%Yes
200136299%Yes
200236099%Yes
200336099%Yes
200436299%Yes
200536399%Yes
2006365100%Yes
200735998%Yes
200836199%Yes
200936299%Yes
201036399%Yes
201136399%Yes
201235998%Yes
201336099%Yes
201436099%Yes
201535998%Yes
201635898%Yes
201736099%Yes
201836399%Yes
201936299%Yes
202036199%Yes
202135597%Yes
202235196%Yes
202336299%Yes
2024366100%Yes
202536099%Yes
202628277%No

Latest Records

20
Latest records at South Sawmill Creek Montana
DateStationRecordValueBeat old record byOld record stoodSignificance
9 October 2026South Sawmill Creek Montana, USdaily high max (Provisional)30.0 C (86.0 F)1.7 C (3.1 F)21 years12 of 100 (Routine)
9 October 2026South Sawmill Creek Montana, USdaily high min (Provisional)16.7 C (62.1 F)2.8 C (5.0 F)11 years11 of 100 (Routine)
28 August 2026South Sawmill Creek Montana, USdaily high min (Tie, Provisional)22.2 C (72.0 F)tie13 years2 of 100 (Routine)
13 August 2026South Sawmill Creek Montana, USdaily low max (Tie)15.6 C (60.1 F)tie31 years3 of 100 (Routine)
1 August 2026South Sawmill Creek Montana, USmonthly high max (Tie)40.6 C (105.1 F)tie22 years5 of 100 (Routine)
1 August 2026South Sawmill Creek Montana, USdaily high min (Tie)23.3 C (73.9 F)tie7 years1 of 100 (Routine)
26 July 2026South Sawmill Creek Montana, USdaily high min24.4 C (75.9 F)2.2 C (4.0 F)28 years18 of 100 (Routine)
25 July 2026South Sawmill Creek Montana, USdaily high max39.4 C (102.9 F)3.8 C (6.8 F)24 years18 of 100 (Routine)
25 July 2026South Sawmill Creek Montana, USdaily high min27.2 C (81.0 F)3.9 C (7.0 F)3 years14 of 100 (Routine)
12 July 2026South Sawmill Creek Montana, USall-time high max43.3 C (109.9 F)2.2 C (4.0 F)5 years29 of 100 (Routine)
11 July 2026South Sawmill Creek Montana, USdaily high max38.9 C (102.0 F)2.2 C (4.0 F)1 year8 of 100 (Routine)
7 July 2026South Sawmill Creek Montana, USdaily low max20.0 C (68.0 F)0.6 C (1.1 F)35 years15 of 100 (Routine)
22 June 2026South Sawmill Creek Montana, USdaily low max13.9 C (57.0 F)2.8 C (5.0 F)7 years10 of 100 (Routine)
28 May 2026South Sawmill Creek Montana, USdaily high min19.4 C (66.9 F)3.8 C (6.8 F)27 years20 of 100 (Routine)
27 May 2026South Sawmill Creek Montana, USdaily high max32.8 C (91.0 F)2.0 C (3.6 F)37 years18 of 100 (Routine)
27 May 2026South Sawmill Creek Montana, USdaily high min17.2 C (63.0 F)2.2 C (4.0 F)8 years10 of 100 (Routine)
26 May 2026South Sawmill Creek Montana, USdaily high max33.9 C (93.0 F)2.8 C (5.0 F)28 years16 of 100 (Routine)
25 May 2026South Sawmill Creek Montana, USdaily high min16.7 C (62.1 F)0.6 C (1.1 F)27 years13 of 100 (Routine)
25 May 2026South Sawmill Creek Montana, USdaily high max31.7 C (89.1 F)1.7 C (3.1 F)23 years12 of 100 (Routine)
24 May 2026South Sawmill Creek Montana, USdaily high min (Tie)16.1 C (61.0 F)tie12 years1 of 100 (Routine)

Climate Trend

39 complete years, 1986 to 2025
Annual mean temperature at South Sawmill Creek Montana as warming stripes, 1986 to 2025 One stripe for each of 39 complete years at South Sawmill Creek Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 8.5 C (47.2 F); red stripes are warmer. The coolest year was 1996, at 6.1 C (42.9 F), and the warmest was 2012, at 9.8 C (49.6 F). The strongest colour marks a difference of 2.5 C (4.5 F). 1986: 7.9 C, -0.6 C from the station mean1987: 9.3 C, +0.9 C from the station mean1988: 8.9 C, +0.5 C from the station mean1989: 6.3 C, -2.2 C from the station mean1990: 8.7 C, +0.2 C from the station mean1991: 8.9 C, +0.4 C from the station mean1992: 9.0 C, +0.6 C from the station mean1994: 8.5 C, +0.1 C from the station mean1995: 8.1 C, -0.4 C from the station mean1996: 6.1 C, -2.4 C from the station mean1997: 8.6 C, +0.1 C from the station mean1998: 9.4 C, +0.9 C from the station mean1999: 9.5 C, +1.0 C from the station mean2000: 8.7 C, +0.2 C from the station mean2001: 9.8 C, +1.3 C from the station mean2002: 7.7 C, -0.8 C from the station mean2003: 8.9 C, +0.5 C from the station mean2004: 8.2 C, -0.2 C from the station mean2005: 8.8 C, +0.3 C from the station mean2006: 9.6 C, +1.1 C from the station mean2007: 9.1 C, +0.6 C from the station mean2008: 7.5 C, -0.9 C from the station mean2009: 7.3 C, -1.2 C from the station mean2010: 7.7 C, -0.7 C from the station mean2011: 7.8 C, -0.7 C from the station mean2012: 9.8 C, +1.3 C from the station mean2013: 7.9 C, -0.5 C from the station mean2014: 7.7 C, -0.8 C from the station mean2015: 9.4 C, +1.0 C from the station mean2016: 9.4 C, +0.9 C from the station mean2017: 8.8 C, +0.3 C from the station mean2018: 7.3 C, -1.1 C from the station mean2019: 6.3 C, -2.1 C from the station mean2020: 8.7 C, +0.3 C from the station mean2021: 9.1 C, +0.7 C from the station mean2022: 8.1 C, -0.4 C from the station mean2023: 9.4 C, +0.9 C from the station mean2024: 9.1 C, +0.7 C from the station mean2025: 8.8 C, +0.3 C from the station mean198619901995200020052010201520202025
One stripe for each of 39 complete years at South Sawmill Creek Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 8.5 C (47.2 F); red stripes are warmer. The coolest year was 1996, at 6.1 C (42.9 F), and the warmest was 2012, at 9.8 C (49.6 F). The strongest colour marks a difference of 2.5 C (4.5 F).
Annual mean temperature at South Sawmill Creek Montana as warming stripes, 1986 to 2025
YearAnnual mean temperatureDifference from the station mean
19867.9 C-0.60 C
19879.3 C+0.88 C
19888.9 C+0.47 C
19896.3 C-2.16 C
19908.7 C+0.20 C
19918.9 C+0.40 C
19929.0 C+0.56 C
19948.5 C+0.07 C
19958.1 C-0.37 C
19966.1 C-2.40 C
19978.6 C+0.12 C
19989.4 C+0.91 C
19999.5 C+1.04 C
20008.7 C+0.21 C
20019.8 C+1.30 C
20027.7 C-0.75 C
20038.9 C+0.49 C
20048.2 C-0.24 C
20058.8 C+0.31 C
20069.6 C+1.12 C
20079.1 C+0.61 C
20087.5 C-0.92 C
20097.3 C-1.16 C
20107.7 C-0.73 C
20117.8 C-0.70 C
20129.8 C+1.32 C
20137.9 C-0.53 C
20147.7 C-0.80 C
20159.4 C+0.97 C
20169.4 C+0.95 C
20178.8 C+0.33 C
20187.3 C-1.14 C
20196.3 C-2.14 C
20208.7 C+0.28 C
20219.1 C+0.66 C
20228.1 C-0.38 C
20239.4 C+0.91 C
20249.1 C+0.69 C
20258.8 C+0.32 C

The fitted trend in annual mean temperature here over 1986 to 2025 is 0.04 C (-0.23 to 0.31) 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 39 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at South Sawmill Creek Montana
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.04 C (-0.23 to 0.31) per decade0.1 F (-0.4 to 0.6) per decade1986 to 202539Not clearly different from zero
Mean daily maximum-0.1 C (-0.4 to 0.2) per decade-0.1 F (-0.7 to 0.4) per decade1986 to 202539Not clearly different from zero
Mean daily minimum0.1 C (-0.1 to 0.4) per decade0.3 F (-0.2 to 0.7) per decade1986 to 202539Not 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 South Sawmill Creek Montana: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.3 C (109.9 F)202638.6 C (101.5 F)42
Coldest night (TNn)-37.2 C (-35.0 F)2024-28.3 C (-19.0 F)42

Hottest day (TXx)

Hottest day (TXx) at South Sawmill Creek Montana by year The hottest day of the year at South Sawmill Creek Montana, 1985 to 2026. The record is 43.3 C (109.9 F) in 2026, marked on the chart; the median year is 38.6 C (101.5 F). 32.53537.54042.5451990200020102020Record: 43.3 C (109.9 F) in 2026
The hottest day of the year at South Sawmill Creek Montana, 1985 to 2026. The record is 43.3 C (109.9 F) in 2026, marked on the chart; the median year is 38.6 C (101.5 F).
Hottest day (TXx) at South Sawmill Creek Montana by year
YearHottest day (TXx)
198537.4 C (99.3 F)
198635.1 C (95.2 F)
198736.3 C (97.3 F)
198841.0 C (105.8 F)
198936.7 C (98.1 F)
199039.4 C (102.9 F)
199138.3 C (100.9 F)
199236.1 C (97.0 F)
199333.3 C (91.9 F)
199436.7 C (98.1 F)
199540.0 C (104.0 F)
199638.9 C (102.0 F)
199737.2 C (99.0 F)
199840.0 C (104.0 F)
199938.3 C (100.9 F)
200038.9 C (102.0 F)
200138.9 C (102.0 F)
200240.0 C (104.0 F)
200340.6 C (105.1 F)
200438.9 C (102.0 F)
200538.9 C (102.0 F)
200640.0 C (104.0 F)
200740.6 C (105.1 F)
200838.9 C (102.0 F)
200937.2 C (99.0 F)
201037.8 C (100.0 F)
201137.8 C (100.0 F)
201238.9 C (102.0 F)
201336.7 C (98.1 F)
201434.4 C (93.9 F)
201538.3 C (100.9 F)
201637.2 C (99.0 F)
201737.8 C (100.0 F)
201840.0 C (104.0 F)
201936.1 C (97.0 F)
202037.9 C (100.2 F)
202141.1 C (106.0 F)
202238.9 C (102.0 F)
202338.9 C (102.0 F)
202441.1 C (106.0 F)
202536.7 C (98.1 F)
202643.3 C (109.9 F)

Coldest night (TNn)

Coldest night (TNn) at South Sawmill Creek Montana by year The coldest night of the year at South Sawmill Creek Montana, 1985 to 2026. The record is -37.2 C (-35.0 F) in 2024, marked on the chart; the median year is -28.3 C (-19.0 F). -40-35-30-25-201990200020102020Record: -37.2 C (-35.0 F) in 2024
The coldest night of the year at South Sawmill Creek Montana, 1985 to 2026. The record is -37.2 C (-35.0 F) in 2024, marked on the chart; the median year is -28.3 C (-19.0 F).
Coldest night (TNn) at South Sawmill Creek Montana by year
YearColdest night (TNn)
1985-30.4 C (-22.7 F)
1986-24.1 C (-11.4 F)
1987-23.3 C (-9.9 F)
1988-28.4 C (-19.1 F)
1989-35.1 C (-31.2 F)
1990-33.3 C (-27.9 F)
1991-26.1 C (-15.0 F)
1992-31.7 C (-25.1 F)
1993-25.6 C (-14.1 F)
1994-31.7 C (-25.1 F)
1995-27.2 C (-17.0 F)
1996-33.3 C (-27.9 F)
1997-31.7 C (-25.1 F)
1998-29.4 C (-20.9 F)
1999-23.3 C (-9.9 F)
2000-26.1 C (-15.0 F)
2001-20.6 C (-5.1 F)
2002-24.4 C (-11.9 F)
2003-26.1 C (-15.0 F)
2004-30.6 C (-23.1 F)
2005-28.3 C (-18.9 F)
2006-29.4 C (-20.9 F)
2007-23.3 C (-9.9 F)
2008-31.7 C (-25.1 F)
2009-28.3 C (-18.9 F)
2010-24.4 C (-11.9 F)
2011-28.3 C (-18.9 F)
2012-28.9 C (-20.0 F)
2013-31.1 C (-24.0 F)
2014-28.9 C (-20.0 F)
2015-23.3 C (-9.9 F)
2016-26.1 C (-15.0 F)
2017-26.7 C (-16.1 F)
2018-26.1 C (-15.0 F)
2019-30.0 C (-22.0 F)
2020-26.7 C (-16.1 F)
2021-32.2 C (-26.0 F)
2022-31.1 C (-24.0 F)
2023-26.7 C (-16.1 F)
2024-37.2 C (-35.0 F)
2025-32.2 C (-26.0 F)
2026-29.4 C (-20.9 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

39 years with a frost

Across 39 years with a frost, the median last spring frost at South Sawmill Creek Montana falls on 8 May and the median first autumn frost on 4 October, which leaves a median of 146 days between them.

Fitted over all years, the growing season changes by +4.7 days per decade at this station.

Frost dates and growing season at South Sawmill Creek Montana
MeasureMedian, all yearsEarliest periodRecent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost8 Mayn/a9 Mayn/a-1.1 days per decade
First autumn frost4 Octobern/a4 Octobern/a+3.6 days per decade
Growing days146 daysn/a145 daysn/a+4.7 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 South Sawmill Creek Montana standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for South Sawmill 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-14).