Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
79°F
26°C
| Humidity | 89% |
| Wind Speed | E 7 mph |
| Barometer | 29.95 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 13 Aug 9:45 am CDT |
Extended Forecast for
2 Miles SSE Energy IL
Extreme Heat Warning August 13, 10:34am until August 16, 08:00pm
NOW until 8:00pm Sun

Extreme Heat Warning
Today

High: 95 °F
Partly Sunny
Tonight

Low: 77 °F
Mostly Clear
Friday

High: 97 °F
Hot
Friday Night

Low: 77 °F
Mostly Clear
Saturday

High: 98 °F
Hot
Saturday Night

Low: 78 °F
Clear
Sunday

High: 99 °F
Hot
Sunday Night

Low: 76 °F
Slight Chance
T-storms
Detailed Forecast
Today
Partly sunny, with a high near 95. Heat index values as high as 109. South southwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 77. South wind around 8 mph.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 77. South wind 5 to 7 mph.
Saturday
Sunny and hot, with a high near 98. West southwest wind 6 to 8 mph.
Saturday Night
Clear, with a low around 78. South southwest wind around 8 mph.
Sunday
Sunny and hot, with a high near 99. West wind 7 to 9 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. North wind 6 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 91. Light south wind becoming south southwest 5 to 10 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Energy IL
37.76°N 89°W
37.76°N 89°W
9:46 am CDT Aug 13, 2026
10am CDT Aug 13, 2026-6pm CDT Aug 19, 2026



