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

78°F

26°C

Humidity 64%
Wind Speed N 7 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Jul 11:52 am CDT
Extended Forecast for

Chatham IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Northeast wind around 8 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. Northeast wind 3 to 7 mph.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Southeast wind 3 to 6 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Southeast wind 5 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 80. South southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 65. South southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. North wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Northeast wind around 8 mph.
Tonight
Clear, with a low around 60. Northeast wind 3 to 7 mph.
Thursday
Sunny, with a high near 84. Southeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 66. Southeast wind 5 to 7 mph.
Friday
Showers, with thunderstorms also possible after 4pm. High near 80. South southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 65. South southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. North wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 85.
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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:
11:11 am CDT Jul 29, 2026
Forecast Valid:
12pm CDT Jul 29, 2026-6pm CDT Aug 4, 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