Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
65°F
18°C
| Humidity | 98% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 5 Aug 2:55 am CDT |
Extended Forecast for
3 Miles NNE Vienna IL
Overnight
Low: 65 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 70 °F
Increasing
CloudsThursday
High: 88 °F
Slight Chance
T-stormsThursday Night
Low: 72 °F
Mostly Cloudy
then Chance
T-stormsFriday
High: 90 °F
Chance
T-stormsFriday Night
Low: 71 °F
Slight Chance
T-storms then
Showers
LikelySaturday
High: 90 °F
Slight Chance
T-stormsSaturday Night
Low: 71 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 90. Light and variable wind.
Wednesday Night
Increasing clouds, with a low around 70. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Saturday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 92. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. Light south wind.
Monday
Sunny, with a high near 93. Light south southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 74. South southwest wind 3 to 6 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 5 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Vienna IL
37.44°N 88.88°W
37.44°N 88.88°W
2:31 am CDT Aug 5, 2026
3am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
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