Is this weather normal in Poweshiek County?

Iowa · county records since 1895, through September 2026.

Weather › Iowa › Poweshiek County

10 of the last 12 months ran warmer than usual in Poweshiek County. Poweshiek County just had its 6th-warmest September in 132 years, +5° against the usual.

This week

Usual for Oct 28 to Nov 3: highs near 55°, lows near 34°

That is the 1991 to 2020 average for these dates in Poweshiek 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: +2.8°NovDec: -2.3°DecJan 2026: -0.6°JanFeb: +6.6°FebMar: +5.8°MarApr: +5.5°AprMay: +0.8°MayJun: +0.8°JunJul: +3.2°JulAug: +1.5°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: -1.2 inOctNov: -0.6 inNovDec: -0.4 inDecJan 2026: -0.0 inJanFeb: -0.8 inFebMar: -0.4 inMarApr: +3.5 inAprMay: -1.9 inMayJun: +0.7 inJunJul: +0.7 inJulAug: +1.1 inAugSep: +6.1 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 Poweshiek County

MonthUsual high / lowUsual rainWarmestColdest
January29° / 12°1.0 in32.8° 20063.0° 1912
February34° / 16°1.3 in37.9° 20246.6° 1936
March47° / 27°2.1 in51.5° 201220.1° 1960
April61° / 38°3.8 in56.8° 191540.2° 2018
May71° / 49°4.9 in69.0° 193452.8° 1907
June81° / 59°5.6 in78.4° 193463.8° 1945
July84° / 63°4.2 in82.8° 190167.5° 2009
August82° / 60°4.3 in79.9° 194765.7° 1915
September76° / 52°3.7 in70.2° 193157.7° 1896
October63° / 40°2.9 in62.4° 196339.7° 1925
November47° / 28°2.1 in48.3° 200127.4° 1959
December34° / 18°1.5 in35.6° 20239.6° 1983

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

Towns in Poweshiek County

Crime Radar: Grinnell

Nearby counties