Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
3 Miles SSE Alto Pass IL
Overnight
Low: 68 °F
Patchy Fog
Tuesday
High: 88 °F
Patchy Fog
then SunnyTuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 89 °F
Slight Chance
T-stormsThursday Night
Low: 71 °F
Chance
T-storms then
Showers
LikelyFriday
High: 89 °F
Chance
T-stormsFriday Night
Low: 70 °F
Chance
T-storms
Detailed Forecast
Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a steady temperature around 68. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. Calm wind becoming south southwest around 5 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. Calm wind becoming south southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Light south wind.
Sunday
Mostly sunny, with a high near 91. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 72. South wind 3 to 6 mph.
Monday
Sunny, with a high near 93. South southwest wind 3 to 8 mph.
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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
1:26 am CDT Aug 4, 2026
2am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
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