Is this weather normal in Tazewell County?

Illinois · county records since 1895, through September 2026.

Weather › Illinois › Tazewell County

Tazewell County just had its warmest September ever recorded, +6° against the usual. Tazewell County has warmed about 0.6° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 58°, lows near 37°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +5.3°OctNov: +1.6°NovDec: -2.2°DecJan 2026: -1.9°JanFeb: +4.0°FebMar: +7.4°MarApr: +5.8°AprMay: -0.7°MayJun: -0.8°JunJul: +1.3°JulAug: +0.8°AugSep: +5.5°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: -1.0 inNovDec: -0.2 inDecJan 2026: -0.4 inJanFeb: -1.6 inFebMar: +1.6 inMarApr: +2.1 inAprMay: -3.0 inMayJun: +5.4 inJunJul: -2.2 inJulAug: +4.8 inAugSep: -0.7 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 Tazewell County

MonthUsual high / lowUsual rainWarmestColdest
January34° / 17°2.1 in37.4° 20068.8° 1977
February39° / 21°1.9 in40.9° 201714.8° 1936
March51° / 31°2.5 in55.2° 201223.5° 1960
April64° / 41°3.9 in58.6° 201042.9° 1907
May74° / 52°4.6 in71.7° 201855.0° 1917
June83° / 61°4.2 in78.5° 193464.7° 1903
July86° / 65°4.1 in83.7° 193669.9° 2009
August84° / 62°3.6 in81.0° 194766.6° 1915
September79° / 54°3.3 in72.0° 202657.9° 1918
October66° / 43°3.2 in63.7° 196343.0° 1925
November51° / 32°2.8 in50.2° 200132.4° 1951
December38° / 23°2.2 in40.7° 201515.0° 1983

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

Towns in Tazewell County

Crime Radar: East Peoria, Pekin, Morton, Bartonville

Nearby counties