Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

89°F

32°C

Humidity 64%
Wind Speed SW 10 mph
Barometer 30.00 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 18 Aug 12:35 pm CDT
Extended Forecast for

Washburn IL

Heat Advisory August 18, 12:58pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 12:58pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 88. West southwest wind around 6 mph becoming northwest in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North northeast wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Northeast wind 5 to 7 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 6 to 8 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. West southwest wind around 6 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. North northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 81. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 61. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 82. Northeast wind 5 to 7 mph.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Washburn IL
 40.91°N 89.31°W (Elev. 692 ft)
12:40 pm CDT Aug 18, 2025
12pm CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database