National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

24°F

-4°C

Humidity 93%
Wind Speed E 5 mph
Barometer 29.97 in
Dewpoint 23°F (-5°C)
Visibility 7.00 mi
Wind Chill18°F (-8°C)
Last update 6 Dec 7:15 pm CST
Extended Forecast for

Dewey IL

Winter Weather Advisory December 6, 09:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely, possibly mixed with freezing rain, mainly after 4am. Patchy fog after 3am. Otherwise, cloudy, with a low around 27. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Slight Chance
    Snow then
    Wintry Mix
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Snow likely, possibly mixed with rain before 9am, then a slight chance of snow between 9am and noon. Patchy fog before 11am. Otherwise, mostly cloudy, with a temperature falling to around 24 by 5pm. South southeast wind 6 to 15 mph becoming north northwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F⇓

    Rain/Snow
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9. Wind chill values between 1 and 6. North wind 5 to 11 mph, with gusts as high as 16 mph.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. Wind chill values between 3 and 13. Northeast wind around 6 mph becoming south southeast in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 14 by 8pm, then rising to around 24 during the remainder of the night. South wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 23 mph.

    Low: 14 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southwest wind 15 to 18 mph, with gusts as high as 24 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 39. Breezy.

    High: 39 °F

    Breezy.
    Chance Rain
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Snow likely, possibly mixed with freezing rain, mainly after 4am. Patchy fog after 3am. Otherwise, cloudy, with a low around 27. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely, possibly mixed with rain before 9am, then a slight chance of snow between 9am and noon. Patchy fog before 11am. Otherwise, mostly cloudy, with a temperature falling to around 24 by 5pm. South southeast wind 6 to 15 mph becoming north northwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 9. Wind chill values between 1 and 6. North wind 5 to 11 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 22. Wind chill values between 3 and 13. Northeast wind around 6 mph becoming south southeast in the afternoon.
Monday Night
Mostly cloudy, with a temperature falling to near 14 by 8pm, then rising to around 24 during the remainder of the night. South wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 23 mph.
Tuesday
Partly sunny, with a high near 40. Southwest wind 15 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 28 mph.
Wednesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 39. Breezy.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 19.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 19.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dewey IL
 40.32°N 88.28°W (Elev. 725 ft)
Last Update:
6:36 pm CST Dec 6, 2025
Forecast Valid:
7pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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