National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Overcast

76°F

24°C

Humidity 95%
Wind Speed NE 12 mph
Barometer 30.19 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 17 Sep 11:15 pm CDT
Extended Forecast for

Thawville IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southeast wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. East wind around 5 mph, with gusts as high as 15 mph.
Saturday
Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southeast wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69.
Monday Night
A chance of showers before 1am. Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thawville IL
 40.67°N 88.11°W
Last Update:
9:21 pm CDT Sep 17, 2026
Forecast Valid:
11pm CDT Sep 17, 2026-6pm CDT Sep 24, 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