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.

Mostly Cloudy

15°F

-9°C

Humidity 70%
Wind Speed NW 16 G 24 mph
Barometer 30.41 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 23 Feb 12:55 am CST
Extended Forecast for

Dewey IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 15. Wind chill values between -1 and 4. Northwest wind around 16 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 30. Wind chill values between -1 and 9. North northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 15 mph.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 42 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. South southwest wind 13 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 42. West northwest wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then snow likely. Mostly cloudy, with a low around 26. West northwest wind 6 to 9 mph becoming east southeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: A 40 percent chance of snow before noon. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 15. Wind chill values between -1 and 4. Northwest wind around 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 30. Wind chill values between -1 and 9. North northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 18. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. South southwest wind 13 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.
Wednesday
Sunny, with a high near 42. West northwest wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of rain and snow before midnight, then snow likely. Mostly cloudy, with a low around 26. West northwest wind 6 to 9 mph becoming east southeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of snow before noon. Partly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of snow. Partly sunny, with a high near 42.
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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:
12:36 am CST Feb 23, 2026
Forecast Valid:
1am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation