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.

Overcast

40°F

4°C

Humidity 71%
Wind Speed S 5 mph
Barometer 30.38 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 28 Mar 11:15 pm CDT
Extended Forecast for

Rantoul IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. South wind around 10 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind around 14 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 61 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 79. Breezy, with a south southwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Breezy.
    Chance
    Showers then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 40. West wind 15 to 18 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. South wind around 10 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 63. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind around 14 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 61. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Tuesday
A chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 79. Breezy, with a south southwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 40. West wind 15 to 18 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 49.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 49. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38.
Friday
A chance of showers. Mostly cloudy, with a high near 65.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
Showers likely. Mostly cloudy, with a high near 66. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rantoul IL
 40.3°N 88.16°W (Elev. 745 ft)
Last Update:
2:57 pm CDT Mar 28, 2026
Forecast Valid:
11pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
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