Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Rain
46°F
8°C
| Humidity | 89% |
| Wind Speed | SW 6 mph |
| Barometer | 29.80 in (1009.0 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 9.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 14 Jan 12:52 am CST |
Extended Forecast for
4 Miles NNW De Soto IL
Overnight
Low: 47 °F
Chance
ShowersWednesday
High: 44 °F⇓
Mostly Cloudy
then
Decreasing
Clouds and
BreezyWednesday Night
Low: 19 °F
Mostly Clear
Thursday
High: 33 °F
Sunny
Thursday Night
Low: 26 °F
Mostly Cloudy
Friday
High: 46 °F
Partly Sunny
Friday Night
Low: 22 °F
Mostly Cloudy
Saturday
High: 31 °F
Partly Sunny
Saturday Night
Low: 11 °F
Partly Cloudy
Detailed Forecast
Overnight
A 50 percent chance of showers, mainly before 3am. Cloudy, with a steady temperature around 47. West wind around 7 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a temperature falling to around 31 by 5pm. Breezy, with a north northwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 19. Northwest wind 8 to 15 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 33. Northwest wind 5 to 8 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 26. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 22. West wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 31. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 11. North northwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 27. Northwest wind 7 to 10 mph becoming west southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 16. West southwest wind 8 to 10 mph.
M.L.King Day
Mostly sunny, with a high near 33. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 13. West northwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 35. West wind 5 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NNW De Soto IL
37.86°N 89.25°W
37.86°N 89.25°W
1:16 am CST Jan 14, 2026
1am CST Jan 14, 2026-6pm CST Jan 20, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
