National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

21°F

-6°C

Humidity 59%
Wind Speed SW 3 mph
Barometer 30.32 in (1027.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 23 Feb 10:52 pm CST
Extended Forecast for

Chatham IL

  • Tonight

    Tonight: Partly cloudy, with a low around 18. South wind 5 to 11 mph, with gusts as high as 17 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. Breezy, with a south wind 14 to 23 mph, with gusts as high as 32 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Southwest wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Northwest wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight, then rain and snow likely. Mostly cloudy, with a low around 30. East northeast wind 6 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 45. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. North northwest wind 5 to 8 mph becoming south in the evening.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. South wind 5 to 11 mph, with gusts as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 50. Breezy, with a south wind 14 to 23 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Southwest wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 46. Northwest wind 6 to 8 mph becoming north northeast in the afternoon.
Wednesday Night
A chance of rain before midnight, then rain and snow likely. Mostly cloudy, with a low around 30. East northeast wind 6 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 45. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 28. North northwest wind 5 to 8 mph becoming south in the evening.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42.
Sunday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 26.
Monday
A chance of rain. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham IL
 39.67°N 89.7°W (Elev. 600 ft)
Last Update:
10:21 pm CST Feb 23, 2026
Forecast Valid:
11pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation