Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
79°F
26°C
| Humidity | 89% |
| Wind Speed | SW 7 mph |
| Barometer | 29.90 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 12 Aug 3:15 am CDT |
Extended Forecast for
2 Miles SSE Energy IL
Heat Advisory August 12, 03:38am until August 14, 07:00pm
NOW until 7:00pm Fri
Heat Advisory
Overnight
Low: 76 °F
Partly Cloudy
Wednesday
High: 94 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 76 °F
Chance
T-stormsThursday
High: 95 °F
Slight Chance
T-storms then
Partly SunnyThursday Night
Low: 78 °F
Mostly Clear
Friday
High: 98 °F
Hot
Friday Night
Low: 77 °F
Mostly Clear
Saturday
High: 99 °F
Hot
Detailed Forecast
Overnight
Partly cloudy, with a low around 76. South southwest wind around 8 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 94. Southwest wind 7 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 76. East wind around 8 mph becoming south after midnight.
Thursday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 105. South wind 7 to 11 mph becoming west southwest in the morning.
Thursday Night
Mostly clear, with a low around 78. South wind around 9 mph.
Friday
Mostly sunny and hot, with a high near 98. Southwest wind around 8 mph.
Friday Night
Mostly clear, with a low around 77. South wind 5 to 7 mph.
Saturday
Sunny and hot, with a high near 99. Southwest wind 6 to 9 mph.
Saturday Night
Clear, with a low around 77. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 100. South southwest wind 5 to 9 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 75. West northwest wind 3 to 6 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. North wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 69. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Calm wind becoming north around 6 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Energy IL
37.76°N 89°W
37.76°N 89°W
2:51 am CDT Aug 12, 2026
3am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
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