Is this weather normal in Chouteau County?

Montana · county records since 1895, through September 2026.

Weather › Montana › Chouteau County

11 of the last 12 months ran warmer than usual in Chouteau County. Chouteau County has warmed about 0.4° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 51°, lows near 26°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +1.7°OctNov: +5.1°NovDec: +4.8°DecJan 2026: +8.2°JanFeb: +8.0°FebMar: +5.3°MarApr: +0.1°AprMay: +3.2°MayJun: -2.8°JunJul: +4.6°JulAug: +0.6°AugSep: +1.7°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: -0.4 inOctNov: +0.1 inNovDec: +0.6 inDecJan 2026: -0.4 inJanFeb: -0.2 inFebMar: +0.1 inMarApr: -0.0 inAprMay: +0.2 inMayJun: +1.9 inJunJul: -1.0 inJulAug: -0.3 inAugSep: +0.6 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 Chouteau County

MonthUsual high / lowUsual rainWarmestColdest
January33° / 11°0.5 in35.8° 2006-11.8° 1950
February36° / 13°0.4 in37.9° 1991-8.8° 1936
March46° / 21°0.6 in44.8° 191012.6° 1899
April56° / 30°1.4 in52.5° 191532.0° 1975
May66° / 39°2.2 in61.2° 193645.4° 1899
June74° / 47°2.9 in70.2° 198853.8° 1901
July84° / 52°1.4 in77.6° 193658.8° 1993
August84° / 51°1.2 in73.2° 197160.8° 1980
September72° / 42°1.2 in63.4° 202545.3° 1965
October58° / 31°1.0 in51.8° 196333.3° 1925
November44° / 21°0.6 in42.2° 194910.1° 1896
December35° / 13°0.5 in34.7° 20230.0° 1983

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

Towns in Chouteau County

Nearby counties