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

47°F

8°C

Humidity 80%
Wind Speed S 15 mph
Barometer 29.66 in (1004.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 5 Jan 11:52 pm CST
Extended Forecast for

Chatham IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 17 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 42. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers, mainly after noon. High near 58. South southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before midnight. Low around 49. South southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 33. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 57. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Increasing clouds, with a low around 42. South wind around 10 mph, with gusts as high as 18 mph.
Thursday
Showers, mainly after noon. High near 58. South southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers, mainly before midnight. Low around 49. South southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 58.
Friday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 41. Breezy.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham IL
 39.67°N 89.73°W (Elev. 600 ft)
Last Update:
12:37 am CST Jan 6, 2026
Forecast Valid:
12am CST Jan 6, 2026-6pm CST Jan 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation