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

57°F

14°C

Humidity 59%
Wind Speed W 13 mph
Barometer 29.70 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 15 Nov 7:19 pm CST
Extended Forecast for

Dewey IL

  • Tonight

    Tonight: Clear, with a low around 36. Northwest wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 39. Southeast wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Tuesday

    Tuesday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 54. Southeast wind 10 to 13 mph, with gusts as high as 16 mph.

    High: 54 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. East northeast wind 7 to 9 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Clear, with a low around 36. Northwest wind 11 to 15 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 52. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 28. West northwest wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 53. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Rain likely. Mostly cloudy, with a low around 39. Southeast wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 54. Southeast wind 10 to 13 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 36. East northeast wind 7 to 9 mph.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 59.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 51.
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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:
7:32 pm CST Nov 15, 2025
Forecast Valid:
7pm CST Nov 15, 2025-6pm CST Nov 22, 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