Clear Lake, Illinois Weather
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Weather Forecast for Clear Lake, Illinois : Sangamon County
Issued: 10:50 pm CDT Jun 5, 2025 Latitude: 39.8136611 Longitude: -89.5687083 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Morning Fog on Tonight 50% chance of thunderstorms on Friday 60% chance of rain on Saturday 30% chance of rain on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday
Low: 62°F High: 77°F High: 78°F High: 80°F High: 77°F High: 75°F High: 81°F High: 83°F
Low: 60°F Low: 61°F Low: 58°F Low: 55°F Low: 56°F Low: 60°F  
Morning Fog Thunderstorms Rain Rain Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
66°
Clear
Mist
as of 10:52 PM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
66°
Mostly Cloudy
Mist
as of 11:42 PM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 3800ft
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
64°
Clear
Mist
as of 11:35 PM CDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
68°
Cloudy
as of 10:54 PM CDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 7 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Few at 1600ft, Solid Overcast at 2800ft
Morning Fog on Tonight Tonight... Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 62. Calm wind.
50% chance of thunderstorms Friday Friday... A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 50%.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 60. Light and variable wind.
60% chance of rain Saturday Saturday... Showers likely, mainly after 1pm. Mostly cloudy, with a high near 78. Light and variable wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 61. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 30%.
30% chance of rain Sunday Sunday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 80. West wind 5 to 10 mph, with gusts as high as 17 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 58. West wind 6 to 8 mph, with gusts as high as 15 mph.
Sunny on Monday Monday... Sunny, with a high near 77.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 55.
Sunny on Tuesday Tuesday... Sunny, with a high near 75.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 56.
Sunny on Wednesday Wednesday... Sunny, with a high near 81.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 60.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 83.
Current Radar Image


Sun Almanac for Clear Lake, Illinois
Sunrise: 05:30 AM
Sunset: 8:24 PM
Civil Sunrise:04:58 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:17 AM
Nautical Sunset: 9:37 PM
Astro Sunrise: 03:30 AM
Astro Sunset: 10:24 PM
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