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Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

60°F

16°C

Humidity 67%
Wind Speed Calm
Barometer 30.08 in (1018.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 8:52 pm CDT
Extended Forecast for

Clear Lake IL

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light east southeast wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 84. South wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 84 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Southeast wind 5 to 7 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Light east southeast wind.
Friday
Sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 16 mph.
Friday Night
Clear, with a low around 61. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday
Increasing clouds, with a high near 84. South wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 59. Southeast wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 79. Light and variable wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Columbus Day
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 81.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 56.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 59.
Thursday
A chance of showers. Mostly sunny, with a high near 79.
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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:
7:36 pm CDT Oct 8, 2026
Forecast Valid:
9pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation