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

33°F

1°C

Humidity 96%
Wind Speed SW 5 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Mar 5:15 am CDT
Extended Forecast for

Dewey IL

  • Today

    Today: Sunny, with a high near 62. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. South southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South southwest wind around 15 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 78. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 50. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 50 °F

    T-storms and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 63. Breezy, with a southwest wind 21 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 63 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am. Partly cloudy, with a low around 26. Blustery. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow and
    Blustery

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 43. South southwest wind around 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 56. South southwest wind around 15 mph, with gusts as high as 22 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 78. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 50. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers. High near 63. Breezy, with a southwest wind 21 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
A chance of rain and snow before 1am. Partly cloudy, with a low around 26. Blustery. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 37. Breezy.
Friday
Partly sunny, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 47.
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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:
5:06 am CDT Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation