Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Rain and Breezy
64°F
18°C
| Humidity | 87% |
| Wind Speed | S 23 G 33 mph |
| Barometer | 29.36 in (993.9 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Mar 6:52 pm CDT |
Extended Forecast for
Grand Tower IL
Tornado Watch March 15, 07:31pm until March 15, 11:00pm
Wind Advisory March 15, 07:31pm until March 16, 07:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 25 °F
Blustery.
Showers then
Mostly CloudyMonday
High: 35 °F
Breezy.
Slight Chance
Snow Showers
then Partly
SunnyMonday Night
Low: 18 °F
Mostly Clear
Tuesday
High: 39 °F
Sunny
Tuesday Night
Low: 30 °F
Mostly Cloudy
Wednesday
High: 61 °F
Mostly Sunny
Wednesday Night
Low: 42 °F
Partly Cloudy
Thursday
High: 71 °F
Sunny
Detailed Forecast
Tonight
Showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Low around 25. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Monday
A slight chance of snow showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 35. Breezy, with a west northwest wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 18. West northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 39. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 61. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South wind 6 to 8 mph.
Thursday
Sunny, with a high near 71. South southwest wind 5 to 8 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 45. North northwest wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 75. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 52. South southwest wind around 8 mph.
Saturday
Sunny, with a high near 78. West northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 50. North northwest wind around 8 mph becoming east northeast after midnight.
Sunday
Mostly sunny, with a high near 75. South wind 8 to 10 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
6:36 pm CDT Mar 15, 2026
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
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