National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Overcast

70°F

21°C

Humidity 87%
Wind Speed NE 10 G 21 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Sep 9:52 pm CDT
Extended Forecast for

Chatham IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. Northeast wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 68. Northeast wind around 9 mph, with gusts as high as 15 mph.

    High: 68 °F

    Chance
    Showers then
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 17 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70. Northeast wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northeast wind 3 to 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. Northeast wind 8 to 10 mph, with gusts as high as 17 mph.
Monday
A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 68. Northeast wind around 9 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 70. Northeast wind 9 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 51. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 72. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northeast wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Mostly cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham IL
 39.67°N 89.7°W (Elev. 600 ft)
Last Update:
10:51 pm CDT Sep 20, 2026
Forecast Valid:
11pm CDT Sep 20, 2026-6pm CDT Sep 27, 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