Is this weather normal in Sioux County?

Nebraska · county records since 1895, through September 2026.

Weather › Nebraska › Sioux County

Sioux County is in extreme drought: NOAA's Palmer reading for September was -6.8. Sioux County just had its 3rd-warmest September in 132 years, +5° against the usual.

This week

Usual for Oct 28 to Nov 3: highs near 54°, lows near 26°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +3.8°OctNov: +5.8°NovDec: +10.0°DecJan 2026: +4.0°JanFeb: +9.3°FebMar: +10.0°MarApr: +2.8°AprMay: +2.9°MayJun: +1.6°JunJul: +5.4°JulAug: +3.2°AugSep: +5.1°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: -0.2 inOctNov: -0.2 inNovDec: -0.2 inDecJan 2026: -0.2 inJanFeb: -0.3 inFebMar: -0.6 inMarApr: -1.2 inAprMay: -1.2 inMayJun: -0.7 inJunJul: -0.8 inJulAug: +1.3 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 Sioux County

MonthUsual high / lowUsual rainWarmestColdest
January38° / 13°0.3 in33.8° 20066.9° 1937
February40° / 15°0.5 in38.6° 19545.6° 1899
March51° / 23°1.0 in46.7° 201220.4° 1906
April58° / 30°1.9 in51.2° 194634.4° 1920
May67° / 40°3.0 in63.1° 193446.7° 1935
June79° / 50°2.6 in70.8° 193356.3° 1951
July87° / 56°2.1 in77.7° 193664.1° 1915
August86° / 54°1.5 in74.4° 198363.6° 1915
September76° / 44°1.3 in67.2° 202449.1° 1965
October61° / 31°1.3 in55.0° 196334.8° 1925
November48° / 21°0.5 in42.4° 199919.3° 1985
December38° / 13°0.4 in35.8° 20259.5° 1983

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

Towns in Sioux County

Nearby counties