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

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fog/Mist

19°F

-7°C

Humidity 87%
Wind Speed NW 9 mph
Barometer 30.08 in
Dewpoint 16°F (-9°C)
Visibility 5.00 mi
Wind Chill8°F (-13°C)
Last update 2 Dec 9:35 am CST
Extended Forecast for

Dewey IL

  • Today

    Today: Mostly cloudy, with a high near 23. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 23 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. Wind chill values between 2 and 9. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 2. Wind chill values between -1 and -11. North northwest wind 9 to 11 mph, with gusts as high as 16 mph.

    Low: 2 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 12. North northwest wind 5 to 10 mph becoming light west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3. Calm wind becoming south 5 to 7 mph after midnight.

    Low: -3 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25. South southwest wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 23. Northwest wind around 7 mph becoming southwest in the afternoon.
Tonight
Mostly cloudy, with a low around 15. Wind chill values between 2 and 9. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 2. Wind chill values between -1 and -11. North northwest wind 9 to 11 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 12. North northwest wind 5 to 10 mph becoming light west northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around -3. Calm wind becoming south 5 to 7 mph after midnight.
Friday
Partly sunny, with a high near 25. South southwest wind 8 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dewey IL
 40.32°N 88.28°W (Elev. 725 ft)
Last Update:
3:44 am CST Dec 2, 2025
Forecast Valid:
9am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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