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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

62°F

17°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1015.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 Jun 4:52 am CDT
Extended Forecast for

2 Miles N De Soto IL

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. Light north northwest wind.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 68. South southeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 86. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

    High: 86 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 70. Southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 70 °F

    T-storms then
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. West wind around 11 mph becoming north northwest in the afternoon.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind 5 to 9 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light north northwest wind.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 85. Light north northwest wind.
Tonight
Partly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 68. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 86. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 70. Southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. West wind around 11 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Light north northwest wind.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Light north wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N De Soto IL
 37.86°N 89.22°W
Last Update:
1:26 am CDT Jun 19, 2026
Forecast Valid:
5am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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