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

48°F

9°C

Humidity 74%
Wind Speed S 13 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Feb 11:52 pm CST
Extended Forecast for

Chatham IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 62 °F

    Mostly Cloudy
    then Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 53. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph.

    Low: 53 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 68. West southwest wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Southwest wind around 8 mph becoming south southeast after midnight.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after noon. Mostly sunny, with a high near 68. South southeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain before midnight. Mostly clear, with a low around 34. West wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 62. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A 40 percent chance of rain after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 53. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph.
Wednesday
Sunny, with a high near 68. West southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 45. Southwest wind around 8 mph becoming south southeast after midnight.
Thursday
Rain likely, mainly after noon. Mostly sunny, with a high near 68. South southeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of rain before midnight. Mostly clear, with a low around 34. West wind 14 to 18 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 47. Breezy.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 38.
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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:
12:36 am CST Feb 17, 2026
Forecast Valid:
12am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation