Is this weather normal in Potter County?

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

Weather › South Dakota › Potter County

3.5 inches fell in September, the 4th-most for a September in Potter County in 132 years. 10 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 50°, lows near 27°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +5.1°OctNov: +3.6°NovDec: +2.6°DecJan 2026: +2.3°JanFeb: +10.7°FebMar: +6.7°MarApr: -0.8°AprMay: +1.0°MayJun: -0.7°JunJul: +4.8°JulAug: +0.3°AugSep: +3.0°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: -1.0 inOctNov: +0.3 inNovDec: +0.1 inDecJan 2026: -0.2 inJanFeb: -0.3 inFebMar: -0.4 inMarApr: -0.1 inAprMay: -1.2 inMayJun: -0.9 inJunJul: -0.7 inJulAug: -0.3 inAugSep: +1.7 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 Potter County

MonthUsual high / lowUsual rainWarmestColdest
January25° / 5°0.4 in30.2° 2006-6.6° 1937
February29° / 9°0.6 in35.2° 1954-9.1° 1936
March42° / 20°0.8 in45.4° 201211.4° 1899
April56° / 31°1.7 in52.2° 195534.6° 1920
May68° / 43°3.0 in68.4° 193447.4° 1907
June78° / 53°3.4 in76.1° 193358.2° 1945
July85° / 59°2.9 in84.0° 193662.9° 1992
August83° / 57°2.3 in76.5° 193764.0° 1992
September74° / 47°1.9 in68.3° 189748.6° 1965
October58° / 34°1.8 in56.3° 196335.3° 1925
November42° / 21°0.5 in41.3° 201610.0° 1896
December29° / 10°0.5 in29.8° 2023-0.6° 1927

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

Towns in Potter County

Nearby counties