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 much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

90°F

32°C

Humidity 55%
Wind Speed S 7 mph
Barometer 30.18 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 17 Sep 2:35 pm CDT
Extended Forecast for

Fisher IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. West southwest wind around 7 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Increasing clouds, with a low around 67. Northeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 82. East northeast wind 6 to 8 mph.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers between 3am and 4am. Mostly cloudy, with a low around 66. East wind around 9 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Partly sunny, with a high near 88. South southeast wind around 9 mph becoming west southwest in the afternoon.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 68. South wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • 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 61. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 90. West southwest wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Increasing clouds, with a low around 67. Northeast wind around 7 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 82. East northeast wind 6 to 8 mph.
Friday Night
A chance of showers between 3am and 4am. Mostly cloudy, with a low around 66. East wind around 9 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 88. South southeast wind around 9 mph becoming west southwest in the afternoon.
Saturday Night
Showers likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 68. South wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. 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 61. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fisher IL
 40.3°N 88.34°W (Elev. 699 ft)
Last Update:
1:41 pm CDT Sep 17, 2026
Forecast Valid:
2pm CDT Sep 17, 2026-6pm CDT Sep 23, 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