Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Partly Cloudy

95°F

35°C

Humidity 49%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 3 Sep 3:35 pm CDT
Extended Forecast for

4 Miles SSW Washburn IL

Extreme Heat Warning September 3, 03:53pm until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 03:53pm until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind 6 to 8 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am.  Mostly clear, with a low around 73. Light south southwest wind.

    Low: 73 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. East northeast wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86. East northeast wind 5 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. Heat index values as high as 105. Southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind 6 to 8 mph.
Friday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 73. Light south southwest wind.
Saturday
Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. East northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 86. East northeast wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 62.
Labor Day
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Washburn IL
 40.87°N 89.32°W (Elev. 735 ft)
3:36 pm CDT Sep 3, 2026
3pm CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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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