Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
A Few Clouds
85°F
29°C
| Humidity | 59% |
| Wind Speed | SW 15 G 29 mph |
| Barometer | 29.82 in (1009.4 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 18 Jun 4:52 pm CDT |
Extended Forecast for
3 Miles SSE Alto Pass IL
Lake Wind Advisory until June 18, 07:00pm
NOW until 7:00pm Wed
Lake Wind Advisory
This Afternoon
High: 85 °F
Severe
ThunderstormsTonight
Low: 69 °F
Severe
ThunderstormsJuneteenth
High: 85 °F
Becoming
SunnyThursday Night
Low: 67 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 72 °F
Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 76 °F
Clear
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 85. Southwest wind around 14 mph, with gusts as high as 23 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Some of the storms could be severe. Mostly cloudy, with a low around 69. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 85. West northwest wind around 7 mph.
Thursday Night
Clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 76. South wind around 7 mph.
Sunday
Sunny, with a high near 93. South southwest wind 5 to 7 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 94. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Light south southeast wind.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Alto Pass IL
37.52°N 89.3°W
37.52°N 89.3°W
3:16 pm CDT Jun 18, 2025
5pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
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