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

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

A Few Clouds

76°F

24°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 26 Jul 7:52 am CDT
Extended Forecast for

Chatham IL

Extreme Heat Warning July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Partly sunny, with a high near 92. Heat index values as high as 111. Light and variable wind becoming west southwest 5 to 8 mph in the morning.

    High: 92 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South southwest wind 5 to 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 110. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 17 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 92. Heat index values as high as 111. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 76. South southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 110. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 89. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 66. North northeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the morning.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham IL
 39.67°N 89.73°W (Elev. 600 ft)
Last Update:
7:36 am CDT Jul 26, 2026
Forecast Valid:
7am CDT Jul 26, 2026-6pm CDT Aug 1, 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