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

76°F

24°C

Humidity 47%
Wind Speed Vrbl 3 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 Jun 12:52 pm CDT
Extended Forecast for

Chatham IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Light north northeast wind.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 81. South southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 63. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 63 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. East northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Light north northeast wind.
Tonight
Partly cloudy, with a low around 60. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
Scattered showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 81. South southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 63. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. East northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham IL
 39.67°N 89.7°W (Elev. 600 ft)
Last Update:
1:21 pm CDT Jun 23, 2026
Forecast Valid:
1pm CDT Jun 23, 2026-6pm CDT Jun 29, 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