Is this weather normal in Natrona County?

Wyoming · county records since 1895, through September 2026.

Weather › Wyoming › Natrona County

Natrona County is in extreme drought: NOAA's Palmer reading for September was -7.7. Every one of the last 12 months ran warmer than usual there.

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 Natrona County. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: +2.2°OctNov: +6.6°NovDec: +11.1°DecJan 2026: +4.0°JanFeb: +8.8°FebMar: +9.4°MarApr: +1.0°AprMay: +1.0°MayJun: +0.1°JunJul: +5.2°JulAug: +2.6°AugSep: +3.4°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: -0.4 inNovDec: -0.2 inDecJan 2026: -0.2 inJanFeb: -0.3 inFebMar: -0.4 inMarApr: -0.2 inAprMay: -0.6 inMayJun: -0.5 inJunJul: -0.5 inJulAug: +0.4 inAugSep: -0.2 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 Natrona County

MonthUsual high / lowUsual rainWarmestColdest
January33° / 14°0.5 in30.2° 20034.0° 1930
February35° / 15°0.6 in34.0° 19548.6° 1899
March46° / 23°0.9 in43.7° 202619.1° 1912
April54° / 29°1.5 in48.4° 191532.2° 1920
May64° / 38°2.2 in59.8° 193444.0° 1950
June76° / 46°1.4 in69.8° 198853.2° 1951
July85° / 54°1.0 in74.5° 202661.7° 1993
August83° / 52°0.7 in71.5° 200361.8° 1927
September72° / 43°1.0 in63.0° 199845.5° 1965
October57° / 32°1.2 in51.7° 196333.5° 1919
November43° / 22°0.6 in41.6° 199919.3° 1985
December33° / 14°0.5 in34.5° 20258.7° 1909

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

Towns in Natrona County

Crime Radar: Casper, Mills, Evansville

Nearby counties