Is this weather normal in Valley County?

Montana · county records since 1895, through September 2026.

Weather › Montana › Valley County

Valley County has warmed about 0.4° per decade since 1970. September 2026 averaged 59.3° there, 2.3° above the usual for September (24th warmest of 132).

This week

Usual for Oct 28 to Nov 3: highs near 47°, lows near 24°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +3.2°OctNov: +3.2°NovDec: -0.9°DecJan 2026: +4.3°JanFeb: +10.3°FebMar: +5.3°MarApr: -1.5°AprMay: +3.3°MayJun: -2.0°JunJul: +4.6°JulAug: +0.1°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: -0.2 inOctNov: +0.3 inNovDec: +0.8 inDecJan 2026: -0.3 inJanFeb: -0.2 inFebMar: +0.3 inMarApr: +0.4 inAprMay: -0.8 inMayJun: +0.2 inJunJul: -0.2 inJulAug: -0.4 inAugSep: +0.9 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 Valley County

MonthUsual high / lowUsual rainWarmestColdest
January23° / 3°0.4 in27.6° 2006-16.2° 1950
February28° / 7°0.3 in31.0° 1984-16.1° 1936
March41° / 18°0.5 in40.8° 19104.1° 1899
April55° / 29°1.1 in51.6° 191532.5° 1909
May66° / 40°2.3 in61.9° 193443.2° 1907
June75° / 49°3.1 in74.2° 198853.3° 1901
July84° / 55°1.9 in79.3° 193660.8° 1993
August83° / 53°1.3 in74.1° 198360.1° 1977
September71° / 43°1.2 in63.9° 202444.4° 1965
October55° / 30°0.9 in51.8° 196331.4° 1925
November39° / 18°0.4 in38.4° 20162.8° 1896
December27° / 7°0.4 in29.1° 2023-4.0° 1983

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

Towns in Valley County

Crime Radar: Glasgow

Nearby counties