Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
91°F
33°C
| Humidity | 56% |
| Wind Speed | W 7 mph |
| Barometer | 30.06 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 16 Aug 11:52 am CDT |
Extended Forecast for
2 Miles NNW Wolf Lake IL
Extreme Heat Warning August 16, 12:51pm until August 16, 08:00pm
NOW until 8:00pm Sun

Extreme Heat Warning
This Afternoon

High: 99 °F
Slight Chance
T-stormsTonight

Low: 73 °F
Chance
T-stormsMonday
High: 88 °F
Slight Chance
T-storms then
Mostly SunnyMonday Night

Low: 67 °F
Mostly Clear
Tuesday

High: 91 °F
Sunny
Tuesday Night
Low: 72 °F
Mostly Clear
then Slight
Chance
T-stormsWednesday

High: 93 °F
Chance
ShowersWednesday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 113. West wind 3 to 5 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Increasing clouds, with a low around 73. Light and variable wind.
Monday
A slight chance of showers and thunderstorms between 7am and 10am. Mostly sunny, with a high near 88. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 67. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Calm wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93. Light and variable wind becoming west southwest around 6 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Northeast wind 3 to 6 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85. Northeast wind 3 to 6 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming light and variable in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 86. North wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 66. Light north northwest wind.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Wolf Lake IL
37.57°N 89.46°W
37.57°N 89.46°W
12:36 pm CDT Aug 16, 2026
12pm CDT Aug 16, 2026-6pm CDT Aug 22, 2026



