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

73°F

23°C

Humidity 42%
Wind Speed NE 6 mph
Barometer 30.07 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Sep 1:35 pm CDT
Extended Forecast for

Rantoul IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light northeast wind.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light south wind.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. South wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68. South wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Calm wind.
Tonight
Mostly clear, with a low around 52. Light northeast wind.
Tuesday
Sunny, with a high near 80. Light south wind.
Tuesday Night
Increasing clouds, with a low around 60. South wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 83. South wind 6 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 68. South wind 5 to 9 mph, with gusts as high as 16 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
A chance of showers. Partly sunny, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 69.
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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:
1:26 pm CDT Sep 28, 2026
Forecast Valid:
1pm CDT Sep 28, 2026-6pm CDT Oct 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