National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

88°F

31°C

Humidity 62%
Wind Speed SW 16 G 26 mph
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 11 Jun 10:45 am CDT
Extended Forecast for

3 Miles NNE Vienna IL

  • Today

    Today: Sunny, with a high near 92. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 70. South southwest wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming south around 6 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 69. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. West southwest wind 5 to 9 mph becoming north northwest in the afternoon.

    High: 81 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 1pm. Partly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 92. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 70. South southwest wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 85. North wind around 5 mph.
Friday Night
Mostly clear, with a low around 63. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming south around 6 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm. Low around 69. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. West southwest wind 5 to 9 mph becoming north northwest in the afternoon.
Sunday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers before 1pm. Partly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Calm wind.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Vienna IL
 37.44°N 88.88°W
Last Update:
10:31 am CDT Jun 11, 2026
Forecast Valid:
11am CDT Jun 11, 2026-6pm CDT Jun 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation