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

38°F

3°C

Humidity 62%
Wind Speed E 10 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 14 Mar 8:52 am CDT
Extended Forecast for

Clear Lake IL

  • Today

    Today: Partly sunny, with a high near 55. East southeast wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Southeast wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy, with a south wind 20 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then rain and snow between 10pm and 1am, then snow likely after 1am. Patchy blowing snow after 1am. Low around 18. Blustery, with a southwest wind 22 to 26 mph becoming west northwest in the evening. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Patchy blowing snow. Cloudy, with a high near 24. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 41 mph.

    High: 24 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Blustery, with a west northwest wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 9 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West northwest wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. East southeast wind 8 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 47. Southeast wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy, with a south wind 20 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain before 10pm, then rain and snow between 10pm and 1am, then snow likely after 1am. Patchy blowing snow after 1am. Low around 18. Blustery, with a southwest wind 22 to 26 mph becoming west northwest in the evening. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Patchy blowing snow. Cloudy, with a high near 24. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Blustery, with a west northwest wind 13 to 20 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 30. West northwest wind 8 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake IL
 39.82°N 89.57°W (Elev. 554 ft)
Last Update:
7:56 am CDT Mar 14, 2026
Forecast Valid:
8am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation