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Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

77°F

25°C

Humidity 30%
Wind Speed S 12 G 18 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 3:52 pm CDT
Extended Forecast for

Clear Lake IL

  • Tonight

    Tonight: Mostly clear, with a low around 56. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57. South southeast wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. South wind around 7 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 85. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming north northwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Clear, with a low around 57. South southeast wind 7 to 9 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly sunny, with a high near 79.
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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:
4:36 pm CDT Oct 6, 2026
Forecast Valid:
4pm CDT Oct 6, 2026-6pm CDT Oct 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation