Is this weather normal in Clark County?

Idaho · county records since 1895, through September 2026.

Weather › Idaho › Clark County

Clark County is in extreme drought: NOAA's Palmer reading for September was -5.3. 11 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 45°, lows near 24°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +0.2°OctNov: +7.1°NovDec: +9.4°DecJan 2026: +4.2°JanFeb: +8.4°FebMar: +9.7°MarApr: -0.1°AprMay: +2.2°MayJun: +0.3°JunJul: +5.3°JulAug: +2.3°AugSep: +0.1°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: +0.5 inOctNov: -0.8 inNovDec: +1.4 inDecJan 2026: -0.8 inJanFeb: -0.0 inFebMar: -0.8 inMarApr: -0.1 inAprMay: -1.5 inMayJun: -0.6 inJunJul: -0.1 inJulAug: +0.5 inAugSep: -0.1 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 Clark County

MonthUsual high / lowUsual rainWarmestColdest
January28° / 11°1.3 in27.6° 1953-0.1° 1937
February31° / 12°1.2 in31.6° 19637.2° 1933
March41° / 21°1.3 in40.5° 202617.0° 1964
April50° / 27°1.6 in46.7° 193429.4° 1975
May60° / 36°2.2 in55.5° 193441.5° 1916
June69° / 42°1.9 in63.2° 202149.7° 1908
July80° / 49°0.9 in71.3° 200754.0° 1993
August79° / 48°0.9 in67.0° 202256.7° 1968
September68° / 40°1.2 in59.0° 199045.0° 1965
October53° / 29°1.4 in48.4° 198832.0° 2019
November37° / 19°1.1 in35.7° 199917.0° 1985
December27° / 11°1.5 in30.0° 19177.6° 1990

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

Towns in Clark County

Nearby counties