Is this weather normal in Fergus County?

Montana · county records since 1895, through September 2026.

Weather › Montana › Fergus County

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

This week

Usual for Oct 28 to Nov 3: highs near 50°, lows near 26°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +1.1°OctNov: +5.4°NovDec: +5.2°DecJan 2026: +6.3°JanFeb: +7.4°FebMar: +4.5°MarApr: -0.4°AprMay: +2.8°MayJun: -3.0°JunJul: +5.3°JulAug: +0.5°AugSep: +1.6°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: +0.7 inDecJan 2026: -0.4 inJanFeb: +0.1 inFebMar: +1.1 inMarApr: -0.4 inAprMay: -0.8 inMayJun: +0.5 inJunJul: +0.1 inJulAug: -0.4 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 Fergus County

MonthUsual high / lowUsual rainWarmestColdest
January35° / 13°0.6 in35.8° 2006-6.0° 1950
February37° / 14°0.5 in37.3° 1991-4.6° 1936
March46° / 22°0.8 in44.1° 191016.1° 1899
April55° / 30°1.8 in52.0° 191532.4° 1975
May64° / 39°3.0 in60.6° 193645.1° 1899
June73° / 47°3.2 in70.1° 198852.9° 1951
July83° / 53°1.7 in76.0° 193658.0° 1993
August82° / 51°1.4 in72.5° 197160.2° 1974
September71° / 43°1.4 in63.3° 199844.3° 1965
October57° / 32°1.3 in51.5° 196332.4° 1925
November44° / 21°0.7 in42.3° 194912.4° 1985
December35° / 14°0.6 in34.7° 20233.9° 1983

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

Towns in Fergus County

Crime Radar: Lewistown

Nearby counties