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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed S 17 G 32 mph
Barometer 29.46 in (997.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Mar 3:52 pm CDT
Extended Forecast for

De Soto IL

Tornado Watch until March 15, 11:00pm
High Wind Warning March 15, 04:08pm until March 15, 09:00pm
Click here for hazard details and duration
Tornado Watch
High Wind Warning
  •  
    Tornado Watch until March 15, 11:00pm
    High Wind Warning March 15, 04:08pm until March 15, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 70 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 26. Breezy, with a west wind 21 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Breezy. Heavy
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 35 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 38. Northwest wind 6 to 8 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Light south southeast wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South southwest wind 6 to 8 mph.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 70. Breezy, with a south wind around 23 mph, with gusts as high as 43 mph. Chance of precipitation is 60%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 26. Breezy, with a west wind 21 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Monday
A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 17. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 38. Northwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Light south southeast wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 60. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 70. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 44. North wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 74. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 51. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 77. West northwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Soto IL
 37.81°N 89.23°W
Last Update:
1:26 pm CDT Mar 15, 2026
Forecast Valid:
4pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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