Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

69°F

21°C

Humidity 98%
Wind Speed N 3 mph
Barometer 30.13 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Jul 4:55 am CDT
Extended Forecast for

3 Miles NNE Vienna IL

  • Today

    Today: Sunny, with a high near 89. East northeast wind 3 to 7 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 89. East northeast wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 71. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Light and variable wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light and variable wind.
Thursday Night
Mostly clear, with a low around 72. Calm wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.
Saturday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Vienna IL
 37.44°N 88.88°W
1:26 am CDT Jul 14, 2026
5am CDT Jul 14, 2026-6pm CDT Jul 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database