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

54°F

12°C

Humidity 67%
Wind Speed W 9 mph
Barometer 29.90 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 May 1:55 am CDT
Extended Forecast for

Dewey IL

  • Overnight

    Overnight: Mostly clear, with a low around 48. Northwest wind around 7 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Northwest wind 5 to 8 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 51. Light northeast wind becoming east northeast 6 to 11 mph in the evening. Winds could gust as high as 16 mph.

    Low: 51 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 72. East northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 54. East wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Showers
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 10am. High near 68. East wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 68 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 50. North northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 76. Northwest wind 5 to 8 mph.
Sunday Night
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 51. Light northeast wind becoming east northeast 6 to 11 mph in the evening. Winds could gust as high as 16 mph.
Monday
Showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 72. East northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 54. East wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers, with thunderstorms also possible after 10am. High near 68. East wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 50. North northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
A chance of showers. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dewey IL
 40.32°N 88.28°W (Elev. 725 ft)
Last Update:
1:43 am CDT May 18, 2025
Forecast Valid:
2am CDT May 18, 2025-6pm CDT May 24, 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