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Weather in McLeansboro, IL · National Weather Service + NOAA

McLeansboro has milder winters than most of Illinois

McLeansboro has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 24°, and about 13 inches of snow falls in a normal winter. Normal November highs come to 55°, and lows to 36°.

Winter 44°/26°Spring 67°/45°Summer 87°/65°Fall 69°/46°
Right now
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Sunrise 7:21 am · sunset 5:54 pm

Getting the latest forecast from the National Weather Service…

What stands out about McLeansboro’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Milder winters than most of IllinoisJanuary nights average 24°, milder than 2,729 of 2,886 Illinois towns.Wetter than most of Illinois47 inches of rain and melted snow a year, more than 2,754 of 2,886 Illinois towns.Warmer summers than most of IllinoisJuly afternoons average 88°, warmer than 2,576 of 2,886 Illinois towns.
A normal year

Where today sits in McLeansboro’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
44° / 26°
4 days with an inch or more of snow
Spring
67° / 45°
Last frost around Apr 11
Summer
87° / 65°
43 days reach 90° in a normal year
Fall now
69° / 46°
First frost around Oct 21
Pastthe usual first frost (Oct 21). Last frost next spring: Apr 11
Best months to be outside
AprMaySepOct
Highs of 62–84° and lows of 40° or more
How much snow does McLeansboro get?About 13 inches a winter.When is it wettest?April, with 5.1 inches.Is it warmer than it used to be?+0.9° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in McLeansboro.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for McLeansboro itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Mcleansboro, IL (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.