Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
73°F
23°C
| Humidity | 87% |
| Wind Speed | S 3 mph |
| Barometer | 29.98 in (1014.6 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 2:52 am CDT |
Extended Forecast for
3 Miles SSE Grand Tower IL
Overnight
Low: 76 °F
Partly Cloudy
Wednesday
High: 81 °F
Showers
Wednesday Night
Low: 66 °F
Chance
Showers then
Chance
T-stormsThursday
High: 87 °F
Chance
T-storms then
Chance
ShowersThursday Night
Low: 51 °F
Chance
ShowersFriday
High: 61 °F
Partly Sunny
and BreezyFriday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 63 °F
Sunny
Saturday Night
Low: 38 °F
Clear
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 76. South southwest wind around 5 mph.
Wednesday
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. Light and variable wind becoming west around 5 mph. Chance of precipitation is 100%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 66. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 51. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 61. Breezy, with a north northwest wind 17 to 22 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 40. North wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 63. Northeast wind 5 to 7 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 70. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 44. Light south wind.
Monday
Mostly sunny, with a high near 71. Calm wind becoming south around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 48. Calm wind.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Grand Tower IL
37.6°N 89.49°W
37.6°N 89.49°W
1:26 am CDT Oct 14, 2026
3am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
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