Is this weather normal in Clark County?

South Dakota · county records since 1895, through September 2026.

Weather › South Dakota › Clark County

11 of the last 12 months ran warmer than usual in Clark County. The ground there is unusually wet: NOAA's Palmer reading for September was +3.0.

This week

Usual for Oct 28 to Nov 3: highs near 49°, lows near 28°

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: +6.5°OctNov: +4.2°NovDec: +0.4°DecJan 2026: +0.8°JanFeb: +9.3°FebMar: +5.5°MarApr: -0.6°AprMay: +0.8°MayJun: +0.5°JunJul: +4.0°JulAug: +0.9°AugSep: +4.6°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: -1.5 inOctNov: +0.5 inNovDec: +0.1 inDecJan 2026: -0.3 inJanFeb: -0.1 inFebMar: -0.4 inMarApr: -0.1 inAprMay: -1.5 inMayJun: -0.8 inJunJul: +1.9 inJulAug: -1.4 inAugSep: +1.2 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 Clark County

MonthUsual high / lowUsual rainWarmestColdest
January22° / 4°0.6 in26.2° 2006-4.0° 1936
February27° / 8°0.7 in31.3° 1954-9.7° 1936
March40° / 20°1.0 in43.9° 201213.3° 1899
April55° / 32°2.2 in52.4° 195533.6° 2018
May67° / 44°3.2 in67.6° 193446.9° 1907
June77° / 55°4.0 in76.1° 193358.8° 1945
July82° / 60°3.4 in81.9° 193662.4° 1992
August80° / 58°2.8 in76.1° 198362.8° 1897
September72° / 49°2.5 in66.5° 189748.4° 1965
October57° / 35°2.2 in56.4° 196332.5° 1925
November40° / 21°0.8 in41.6° 200111.3° 1896
December27° / 10°0.7 in29.8° 2023-2.2° 1983

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

Towns in Clark County

Nearby counties