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

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (1019.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 29 Aug 2:52 am CDT
Extended Forecast for

Chatham IL

  • Overnight

    Overnight: Mostly clear, with a low around 62. Light south southeast wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South southeast wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny through mid morning, then becoming mostly cloudy, with a high near 92. South wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 92 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. South southwest wind around 10 mph, with gusts as high as 17 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Light south southeast wind.
Saturday
Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 68. South southeast wind 7 to 9 mph, with gusts as high as 16 mph.
Sunday
Sunny through mid morning, then becoming mostly cloudy, with a high near 92. South wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 8 to 10 mph, with gusts as high as 16 mph.
Monday
Sunny and hot, with a high near 97. South southwest wind around 10 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 76. South wind 6 to 9 mph, with gusts as high as 16 mph.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny and hot, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham IL
 39.67°N 89.7°W (Elev. 600 ft)
Last Update:
3:11 am CDT Aug 29, 2026
Forecast Valid:
3am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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