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.

Fog/Mist

56°F

13°C

Humidity 93%
Wind Speed S 20 G 28 mph
Barometer 29.61 in (1002.7 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 8 Jan 1:52 pm CST
Extended Forecast for

Clear Lake IL

  • This Afternoon

    This Afternoon: Rain likely, then rain and possibly a thunderstorm after 3pm. High near 64. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain and
    Breezy

  • Tonight

    Tonight: Rain and thunderstorms before 2am, then a slight chance of rain between 2am and 3am. Low around 43. Breezy, with a south wind 18 to 24 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain and
    Breezy then
    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 50. West wind 12 to 17 mph becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 36. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 42. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 42 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32. West northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely, then rain and possibly a thunderstorm after 3pm. High near 64. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and thunderstorms before 2am, then a slight chance of rain between 2am and 3am. Low around 43. Breezy, with a south wind 18 to 24 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 50. West wind 12 to 17 mph becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Increasing clouds, with a low around 36. Calm wind becoming west northwest around 5 mph after midnight.
Saturday
A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 42. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 20. West northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 32. West northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake IL
 39.82°N 89.57°W (Elev. 554 ft)
Last Update:
1:46 pm CST Jan 8, 2026
Forecast Valid:
1pm CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation