Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
22°F
-6°C
| Humidity | 75% |
| Wind Speed | S 6 mph |
| Barometer | 30.22 in (1023.8 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 24 Feb 4:52 am CST |
Extended Forecast for
2 Miles NNE Grand Tower IL
Today
High: 50 °F
Mostly Sunny
then Mostly
Cloudy and
BreezyTonight

Low: 39 °F
Mostly Cloudy
Wednesday

High: 56 °F
Mostly Cloudy
Wednesday Night
Low: 40 °F
Mostly Cloudy
then Chance
ShowersThursday
High: 54 °F
Chance
Showers then
Partly SunnyThursday Night

Low: 31 °F
Partly Cloudy
Friday

High: 62 °F
Sunny
Friday Night

Low: 40 °F
Mostly Clear
Saturday

High: 67 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a high near 50. Breezy, with a south southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly cloudy, with a low around 39. South southwest wind 13 to 18 mph becoming light southwest after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 56. Calm wind becoming east northeast around 5 mph.
Wednesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 40. Northeast wind 3 to 7 mph.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 54. North wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 31. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 67. South southwest wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind around 9 mph becoming north after midnight.
Sunday
A slight chance of showers. Partly sunny, with a high near 50. Northeast wind around 10 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 9 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 54. East wind around 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Grand Tower IL
37.66°N 89.49°W
37.66°N 89.49°W
5:26 am CST Feb 24, 2026
5am CST Feb 24, 2026-6pm CST Mar 2, 2026



