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

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Partly Cloudy

92°F

33°C

Humidity 49%
Wind Speed SW 3 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 15 Aug 4:35 pm CDT
Extended Forecast for

Fisher IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 4am. Mostly clear, with a low around 72. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. South wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southwest wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind around 6 mph.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South southwest wind around 6 mph becoming east southeast in the evening.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. South wind around 7 mph becoming west southwest in the afternoon.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 73. South southwest wind around 6 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between midnight and 4am. Mostly clear, with a low around 72. South wind around 6 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. South wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 73. Southwest wind 3 to 6 mph.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind around 6 mph.
Sunday Night
Mostly clear, with a low around 73. South southwest wind around 6 mph becoming east southeast in the evening.
Monday
Sunny and hot, with a high near 96. South wind around 7 mph becoming west southwest in the afternoon.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 73. South southwest wind around 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fisher IL
 40.33°N 88.33°W (Elev. 719 ft)
Last Update:
4:40 pm CDT Aug 15, 2025
Forecast Valid:
4pm CDT Aug 15, 2025-6pm CDT Aug 22, 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