Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
91°F
33°C
| Humidity | 67% |
| Wind Speed | W 7 mph |
| Barometer | 29.96 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 26 Jul 12:45 pm CDT |
Extended Forecast for
2 Miles WNW Whiteash IL
Extreme Heat Warning until July 28, 07:00pm
NOW until 7:00pm Tue
Extreme Heat Warning
This Afternoon
High: 96 °F
Slight Chance
T-stormsTonight
Low: 78 °F
Chance
Showers then
Chance
T-stormsMonday
High: 100 °F
Hot
Monday Night
Low: 80 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 71 °F
Slight Chance
T-storms then
Slight Chance
ShowersWednesday
High: 90 °F
Sunny
Wednesday Night
Low: 66 °F
Clear
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Light and variable wind.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 78. Light southwest wind.
Monday
Mostly sunny and hot, with a high near 100. Heat index values as high as 113. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 80. South southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 96. Northwest wind 6 to 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. North wind 5 to 9 mph becoming light northeast after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 90. Light northeast wind becoming north northeast 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 66. North northeast wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. South southeast wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming north northeast 5 to 9 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Whiteash IL
37.8°N 88.97°W
37.8°N 88.97°W
12:36 pm CDT Jul 26, 2026
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
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