Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
73°F
23°C
| Humidity | 69% |
| Wind Speed | S 3 mph |
| Barometer | 29.92 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 20 Sep 12:15 am CDT |
Extended Forecast for
Energy IL
Heat Advisory September 20, 02:24am until September 20, 07:00pm
NOW until 7:00pm Sun

Heat Advisory
Overnight

Low: 76 °F
Mostly Clear
Sunday

High: 95 °F
Mostly Sunny
Sunday Night

Low: 69 °F
Chance
T-stormsMonday
High: 84 °F
Chance
Showers then
Chance
T-stormsMonday Night
Low: 62 °F
Chance
T-storms then
Chance
ShowersTuesday

High: 75 °F
Partly Sunny
Tuesday Night

Low: 57 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 76. South southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 95. West wind 6 to 9 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 69. Calm wind becoming northeast around 5 mph after midnight.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. North northeast wind 6 to 10 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 6 to 11 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 75. North wind 8 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 57. North wind 7 to 13 mph.
Wednesday
Mostly sunny, with a high near 74. North wind 8 to 13 mph.
Wednesday Night
Mostly clear, with a low around 55. North wind 5 to 10 mph becoming light north northeast after midnight.
Thursday
Mostly sunny, with a high near 76. Light north wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 57. North northeast wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 77. Light north northeast wind becoming northeast 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 78. Calm wind becoming northeast 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Energy IL
37.76°N 89°W
37.76°N 89°W
1:26 am CDT Sep 20, 2026
2am CDT Sep 20, 2026-6pm CDT Sep 26, 2026



