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

35°F

2°C

Humidity 50%
Wind Speed Calm
Barometer 30.04 in (1017.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 16 Nov 11:52 pm CST
Extended Forecast for

Chatham IL

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 16 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, then showers and possibly a thunderstorm after 9pm. Low around 44. Southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 61. Southeast wind 8 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 43. Northeast wind 5 to 7 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. Northeast wind around 5 mph becoming calm in the morning.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 44. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Light and variable wind.
Monday
Mostly sunny, with a high near 57. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Rain likely, then showers and possibly a thunderstorm after 9pm. Low around 44. Southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 61. Southeast wind 8 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
Increasing clouds, with a low around 43. Northeast wind 5 to 7 mph.
Wednesday
Mostly cloudy, with a high near 59. Northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 44. Calm wind becoming east southeast around 6 mph after midnight.
Thursday
Rain. High near 63. Chance of precipitation is 80%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 63.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 55.
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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:
12:36 am CST Nov 17, 2025
Forecast Valid:
1am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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