Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.97°F
36°C
| Humidity | 47% |
| Wind Speed | NW 3 mph |
| Barometer | 30.00 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 16 Aug 3:45 pm CDT |
Extended Forecast for
Whiteash IL
Extreme Heat Warning August 16, 03:47pm until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
This Afternoon
High: 96 °F
Slight Chance
T-stormsTonight
Low: 73 °F
Chance
T-stormsMonday
High: 89 °F
Chance
T-storms then
Mostly SunnyMonday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 92 °F
Chance
T-stormsWednesday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 96. Heat index values as high as 106. West southwest wind around 8 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 7pm and 5am. Increasing clouds, with a low around 73. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 89. Light north northwest wind increasing to 6 to 11 mph in the morning.
Monday Night
Mostly clear, with a low around 66. North northwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Light north wind.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Calm wind becoming south southeast 5 to 8 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Northeast wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 84. North wind 5 to 8 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 64. Northeast wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Whiteash IL
37.8°N 88.92°W
37.8°N 88.92°W
1:26 pm CDT Aug 16, 2026
3pm CDT Aug 16, 2026-6pm CDT Aug 22, 2026
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