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

81°F

27°C

Humidity 33%
Wind Speed E 8 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 May 1:52 pm CDT
Extended Forecast for

Chatham IL

  • Memorial Day

    Memorial Day: Sunny, with a high near 81. East southeast wind around 8 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 82. East wind 3 to 6 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. East northeast wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. East wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. East northeast wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Memorial Day
Sunny, with a high near 81. East southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 82. East wind 3 to 6 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. East northeast wind 3 to 7 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 61. East wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 84. East northeast wind 7 to 11 mph, with gusts as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Sunny, with a high near 78.
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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:
1:36 pm CDT May 25, 2026
Forecast Valid:
2pm CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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