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Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
68°F
20°C
| Humidity | 87% |
| Wind Speed | Calm |
| Barometer | 30.03 in (1016.7 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 19 Jun 9:52 pm CDT |
Extended Forecast for
2 Miles NW Grand Tower IL
Tonight
Low: 63 °F
Mostly Cloudy
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
then Chance
ShowersSunday
High: 85 °F
Showers
Sunday Night
Low: 69 °F
Showers
Monday
High: 81 °F
Chance
T-stormsMonday Night
Low: 62 °F
Partly Cloudy
Tuesday
High: 81 °F
Mostly Sunny
Tuesday Night
Low: 63 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 86. Light and variable wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 67. Light and variable wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 85. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 69. South southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Monday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Northwest wind around 9 mph.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Light north northeast wind.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Light west northwest wind.
Wednesday Night
Mostly clear, with a low around 63. Light northwest wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NW Grand Tower IL
37.67°N 89.54°W
37.67°N 89.54°W
8:46 pm CDT Jun 19, 2026
10pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
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