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Champaign, Illinois Weather Forecast
Champaign, Illinois Weather
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Click for Hazardous Weather Outlook for Champaign, Illinois
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Weather Forecast for Champaign, Illinois : Champaign County
Issued: 1:01 am CST Dec 5, 2025 Latitude: 40.1164205 Longitude: -88.2433829 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Fog on Overnight Morning Fog on Friday Mostly Cloudy on Saturday 60% chance of snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday Mostly Cloudy on Thursday
Low: -1°F High: 29°F High: 32°F High: 30°F High: 23°F High: 36°F High: 37°F High: 25°F
Low: 22°F Low: 23°F Low: 5 °F Low: 13°F Low: 29°F Low: 15°F  
Fog Morning Fog Mostly Cloudy Snow Mostly Sunny Partly Sunny Rain Mostly Cloudy
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Current Conditions at
CHAMPAIGN - (KCMI)
3°
Mostly Clear
as of 12:53 AM CST
Rel. Humidity: 91%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
060° Northeast
Cloud Level(s): Few at 1800ft
Current Conditions at
RANTOUL - (KTIP)
-0°
Clear
as of 1:15 AM CST
Rel. Humidity: 84%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
1°
Clear
as of 12:54 AM CST
Rel. Humidity: 91%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Fog on Overnight Overnight... Areas of freezing fog. Mostly clear, with a low around -1. Light southeast wind.
Morning Fog on Friday Friday... Patchy freezing fog before 9am. Mostly sunny, with a high near 29. Wind chill values between -6 and 4. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 32. West wind around 6 mph becoming calm in the afternoon.
50% chance of snow Saturday Night Saturday Night... A 50 percent chance of snow after midnight. Cloudy, with a low around 23. Calm wind becoming east southeast around 6 mph after midnight.
60% chance of snow Sunday Sunday... Snow likely before noon. Mostly cloudy, with a high near 30. East southeast wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 5. North wind 5 to 10 mph becoming light north northeast after midnight.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 23.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 13.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 36.
20% chance of rain Tuesday Night Tuesday Night... A chance of rain. Cloudy, with a low around 29.
20% chance of rain Wednesday Wednesday... A chance of rain. Mostly cloudy, with a high near 37.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 25.
Current Radar Image


Sun Almanac for Champaign, Illinois
Sunrise: 07:00 AM
Sunset: 4:27 PM
Civil Sunrise:06:30 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 6:04 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.