Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fog/Mist

69°F

21°C

Humidity 95%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 26 Jul 4:15 am CDT
Extended Forecast for

4 Miles NE Herscher IL

  • Today

    Today: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 88 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 106. South southwest wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 7pm and 1am.  Mostly clear, with a low around 73. West southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph after midnight.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 106. South southwest wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 73. West southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Herscher IL
 41.08°N 88.05°W
3:21 am CDT Jul 26, 2026
4am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database