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Dewey, Illinois Weather Forecast
Dewey, Illinois Weather
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Weather Forecast for Dewey, Illinois : Champaign County
Issued: 3:16 am CST Dec 7, 2025 Latitude: 40.3189222 Longitude: -88.2819959 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of freezing rain on Overnight 30% chance of rain & snow on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday 30% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 32°F High: 32°F High: 26°F High: 41°F High: 40°F High: 29°F High: 19°F High: 12°F
Low: 14°F Low: 16 °F Low: 34°F Low: 21°F Low: 9°F Low: 0°F  
Freezing Rain Rain & Snow Mostly Cloudy Partly Sunny Mostly Cloudy Snow Partly Sunny Partly Sunny
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Current Conditions at
RANTOUL - (KTIP)
32°
Cloudy
Mist
as of 4:15 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 2 1/2 Miles
Pressure: 29.93 in.
Flight Rule: LIFR
Wind Data
8 MPH
160° South
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
CHAMPAIGN - (KCMI)
34°
Feels like 23°F
Cloudy
Mist
as of 4:13 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 2 1/2 Miles
Pressure: 29.93 in.
Flight Rule: LIFR
Wind Data
16 MPH
160° South
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
BLOOMINGTON - (KBMI)
32°
Feels like 22°F
Cloudy
Mist
as of 4:07 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 4 Miles
Pressure: 29.91 in.
Flight Rule: IFR
Wind Data
14 MPH
170° South
Cloud Level(s): Broken at 600ft, Solid Overcast at 1000ft
50% chance of freezing rain Overnight Overnight... A chance of freezing rain before 5am, then a chance of rain. Areas of fog. Otherwise, cloudy, with a steady temperature around 32. South wind around 7 mph. Chance of precipitation is 50%.

30% chance of rain & snow Sunday Sunday... A chance of rain and snow before 10am, then a slight chance of snow between 10am and noon. Areas of fog before 1pm. Otherwise, cloudy, with a high near 32. South wind 6 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 14. Wind chill values between 5 and 10. North wind 7 to 13 mph, with gusts as high as 18 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, then gradually becoming sunny, with a high near 26. Northeast wind around 6 mph becoming light and variable.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a temperature falling to near 16 by 9pm, then rising to around 26 during the remainder of the night. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

40% chance of rain Tuesday Night Tuesday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 29 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 40. Breezy.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21.

30% chance of snow Thursday Thursday... A 30 percent chance of snow. Mostly cloudy, with a high near 29.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 9.

Partly Sunny on Friday Friday... Partly sunny, with a high near 19.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 0.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 12.

Sun Almanac for Dewey, Illinois
Sunrise: 07:03 AM
Sunset: 4:27 PM
Civil Sunrise:06:32 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:25 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.