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

68°F

20°C

Humidity 53%
Wind Speed SE 6 mph
Barometer 30.07 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Oct 6:18 pm CDT
Extended Forecast for

Dewey IL

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southeast wind around 8 mph, with gusts as high as 16 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 78. South wind 8 to 15 mph, with gusts as high as 21 mph.

    High: 78 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. Southwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 48. Southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 60. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 28 mph.

    High: 60 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 39. West northwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers. Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South southeast wind around 8 mph, with gusts as high as 16 mph.
Friday
Increasing clouds, with a high near 78. South wind 8 to 15 mph, with gusts as high as 21 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 18 mph.
Saturday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. Southwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 60. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 39. West northwest wind 6 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 68.
Monday Night
A 50 percent chance of showers. Partly cloudy, with a low around 46.
Tuesday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 60. Breezy.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 62.
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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:
4:36 pm CDT Oct 16, 2025
Forecast Valid:
6pm CDT Oct 16, 2025-6pm CDT Oct 23, 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