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Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
33°F
1°C
| Humidity | 64% |
| Wind Speed | NW 12 G 26 mph |
| Barometer | 30.22 in (1023.5 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 30 Nov 3:52 am CST |
Extended Forecast for
Grand Tower IL
Today
High: 34 °F
Partly Sunny
Tonight
Low: 22 °F
Mostly Cloudy
Monday
High: 36 °F
Mostly Cloudy
then Chance
Snow/SleetMonday Night
Low: 23 °F
Snow/Sleet
then Chance
SnowTuesday
High: 34 °F
Mostly Sunny
Tuesday Night
Low: 19 °F
Mostly Clear
Wednesday
High: 42 °F
Mostly Sunny
Wednesday Night
Low: 19 °F
Mostly Cloudy
Thursday
High: 29 °F
Partly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 34. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 22. North wind 5 to 7 mph becoming calm after midnight.
Monday
A slight chance of snow between 2pm and 4pm, then a chance of sleet. Mostly cloudy, with a high near 36. Light east wind. Chance of precipitation is 30%.
Monday Night
Snow and sleet likely before 9pm, then snow. Low around 23. Calm wind becoming north northwest around 6 mph after midnight. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 34. North northwest wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly clear, with a low around 19. Light and variable wind.
Wednesday
Mostly sunny, with a high near 42. Light south wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 19. South southwest wind 5 to 10 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 29. North wind 5 to 10 mph.
Thursday Night
A chance of snow and freezing rain after midnight. Mostly cloudy, with a low around 18. Light and variable wind.
Friday
A chance of rain or freezing rain. Mostly cloudy, with a high near 35. Calm wind becoming south around 6 mph in the morning.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 25. Light south southwest wind.
Saturday
Partly sunny, with a high near 42. Southwest wind 3 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grand Tower IL
37.64°N 89.52°W
37.64°N 89.52°W
3:16 am CST Nov 30, 2025
4am CST Nov 30, 2025-6pm CST Dec 6, 2025
Additional Resources
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