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

83°F

28°C

Humidity 65%
Wind Speed N 9 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Jul 4:52 pm CDT
Extended Forecast for

Chatham IL

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Northeast wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. East northeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Light south wind.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 82. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. Northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 85. Calm wind becoming northeast 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 62. East northeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 86. Light south wind.
Thursday Night
Partly cloudy, with a low around 65. Calm wind becoming south southeast around 5 mph after midnight.
Friday
Showers likely. Mostly cloudy, with a high near 82. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 87.
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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:
5:22 pm CDT Jul 28, 2026
Forecast Valid:
5pm CDT Jul 28, 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