Is this weather normal in Sheridan County?

Montana · county records since 1895, through September 2026.

Weather › Montana › Sheridan County

Sheridan County has warmed about 0.4° per decade since 1970. September 2026 averaged 60.1° there, 3.7° above the usual for September (16th warmest of 132).

This week

Usual for Oct 28 to Nov 3: highs near 45°, lows near 23°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +5.4°OctNov: +3.5°NovDec: -2.0°DecJan 2026: +3.4°JanFeb: +10.4°FebMar: +4.5°MarApr: -2.0°AprMay: +2.8°MayJun: -0.7°JunJul: +4.8°JulAug: +0.2°AugSep: +3.7°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: +0.0 inOctNov: +0.2 inNovDec: +0.0 inDecJan 2026: -0.3 inJanFeb: -0.0 inFebMar: +0.1 inMarApr: -0.6 inAprMay: -1.5 inMayJun: +1.1 inJunJul: -1.3 inJulAug: +0.6 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 Sheridan County

MonthUsual high / lowUsual rainWarmestColdest
January21° / 1°0.4 in25.3° 2006-17.2° 1950
February25° / 5°0.3 in29.1° 1954-16.7° 1936
March38° / 16°0.6 in39.2° 20124.4° 1899
April54° / 28°1.0 in50.0° 191529.6° 1907
May66° / 39°2.2 in61.6° 190141.6° 1907
June74° / 49°3.2 in74.9° 198855.0° 1915
July82° / 54°2.4 in76.7° 193659.5° 1915
August82° / 52°1.6 in73.5° 198359.5° 1977
September71° / 42°1.2 in63.8° 202443.4° 1965
October54° / 30°0.9 in52.1° 196330.1° 1919
November36° / 16°0.5 in37.4° 20163.3° 1896
December24° / 5°0.5 in28.0° 2023-5.9° 1927

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

Towns in Sheridan County

Nearby counties