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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

75°F

24°C

Humidity 50%
Wind Speed SW 20 G 24 mph
Barometer 29.73 in (1006.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Nov 1:52 pm CST
Extended Forecast for

De Soto IL

  • Veterans Day

    Veterans Day: Sunny, with a high near 73. West southwest wind around 15 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between noon and 4pm. Mostly sunny, with a high near 54. North northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North northwest wind 6 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Light north northwest wind.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Sunny, with a high near 73. West southwest wind around 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 42. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers between noon and 4pm. Mostly sunny, with a high near 54. North northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 31. North northwest wind 6 to 10 mph.
Friday
Mostly sunny, with a high near 47. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 26. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 49. Light north northwest wind.
Saturday Night
Mostly clear, with a low around 26. Calm wind.
Sunday
Mostly sunny, with a high near 52. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 30. Calm wind.
Monday
Mostly sunny, with a high near 52. Calm wind becoming east northeast around 5 mph.
Monday Night
Mostly clear, with a low around 30. Calm wind.
Tuesday
Sunny, with a high near 56. Calm wind becoming east northeast around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Soto IL
 37.81°N 89.23°W
Last Update:
1:21 pm CST Nov 11, 2026
Forecast Valid:
2pm CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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Additional Resources

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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