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.

Overcast

48°F

9°C

Humidity 76%
Wind Speed S 6 mph
Barometer 30.11 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 1 Nov 3:52 pm CDT
Extended Forecast for

4 Miles NNW De Soto IL

  • This Afternoon

    This Afternoon: Showers likely, mainly before 5pm. Mostly cloudy, with a steady temperature around 48. South southwest wind around 6 mph. Chance of precipitation is 60%.

    High: 48 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers before 7pm. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Chance
    Showers then
    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 55. North northwest wind 3 to 6 mph.

    High: 55 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Southwest wind 3 to 8 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. South southwest wind 7 to 9 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly before 5pm. Mostly cloudy, with a steady temperature around 48. South southwest wind around 6 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers before 7pm. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 34. Calm wind.
Sunday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 55. North northwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 35. Calm wind.
Monday
Sunny, with a high near 62. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 47. South southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 70. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. North northwest wind around 6 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 67. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 52. South wind 8 to 10 mph.
Friday
A chance of showers. Mostly sunny, with a high near 70. South southwest wind 10 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW De Soto IL
 37.86°N 89.25°W
Last Update:
4:07 pm CDT Nov 1, 2025
Forecast Valid:
4pm CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation