Is this weather normal in Stillwater County?

Montana · county records since 1895, through September 2026.

Weather › Montana › Stillwater County

Stillwater County is in severe drought: NOAA's Palmer reading for September was -3.6. 11 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 49°, lows near 27°

That is the 1991 to 2020 average for these dates in Stillwater County. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: +1.3°OctNov: +6.6°NovDec: +8.6°DecJan 2026: +7.1°JanFeb: +9.1°FebMar: +6.8°MarApr: +0.4°AprMay: +2.7°MayJun: -1.3°JunJul: +6.4°JulAug: +2.1°AugSep: +2.3°Sepwarmercooler

Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1895.

Every year since 1895

18952025

Rain and drought

Oct: +0.8 inOctNov: -0.2 inNovDec: +0.9 inDecJan 2026: -0.5 inJanFeb: -0.4 inFebMar: +0.5 inMarApr: -0.9 inAprMay: -1.1 inMayJun: -0.9 inJunJul: -0.1 inJulAug: +0.3 inAugSep: +0.0 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in Stillwater County

MonthUsual high / lowUsual rainWarmestColdest
January35° / 15°0.8 in33.9° 20062.2° 1916
February38° / 16°0.9 in36.5° 19912.2° 1936
March46° / 23°1.3 in43.2° 191017.8° 1912
April53° / 29°2.1 in49.3° 191032.5° 1975
May62° / 38°3.0 in58.6° 193444.6° 1927
June72° / 45°2.6 in67.7° 198850.7° 1951
July82° / 52°1.5 in73.0° 202656.7° 1993
August81° / 50°1.2 in70.4° 197158.4° 1911
September70° / 42°1.5 in61.8° 199843.4° 1965
October56° / 32°1.7 in50.3° 196332.7° 1919
November43° / 22°1.0 in42.5° 194915.3° 1985
December35° / 15°0.9 in35.9° 18967.4° 1983

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in Stillwater County

Nearby counties