Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
86°F
30°C
| Humidity | 70% |
| Wind Speed | N 15 mph |
| Barometer | 30.14 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 15 Aug 10:45 am CDT |
Extended Forecast for
Energy IL
Extreme Heat Warning August 15, 11:42am until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Today
High: 99 °F
Hot
Tonight
Low: 76 °F
Mostly Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 73 °F
Slight Chance
T-stormsMonday
High: 89 °F
Slight Chance
T-storms then
Slight Chance
ShowersMonday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
Detailed Forecast
Today
Sunny and hot, with a high near 99. Heat index values as high as 108. Southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 76. South wind 3 to 6 mph.
Sunday
Mostly sunny and hot, with a high near 99. Heat index values as high as 107. West southwest wind 5 to 8 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 89. North northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 67. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Calm wind.
Tuesday Night
Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 94. South wind 6 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. North northeast wind 5 to 8 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. North wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 64. North northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 86. Northeast wind 3 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Energy IL
37.78°N 89.03°W
37.78°N 89.03°W
11:16 am CDT Aug 15, 2026
11am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
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