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.

Fair

23°F

-5°C

Humidity 89%
Wind Speed S 6 mph
Barometer 30.41 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Jan 9:55 pm CST
Extended Forecast for

Dewey IL

  • Tonight

    Tonight: Clear early, then becoming mostly cloudy, with a low around 24. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then becoming sunny, with a high near 43. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 26 mph.

    High: 51 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. West wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 38. Breezy, with a north northwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%.

    High: 38 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14. Blustery, with a north northwest wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Clear early, then becoming mostly cloudy, with a low around 24. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday
Mostly cloudy through mid morning, then becoming sunny, with a high near 43. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 31. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 51. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 33. West wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 38. Breezy, with a north northwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 14. Blustery, with a north northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 21.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 24.
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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:
8:33 pm CST Jan 11, 2026
Forecast Valid:
10pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation