Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed SW 8 mph
Barometer 30.16 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 6 Aug 12:45 pm CDT
Extended Forecast for

4 Miles NE Vienna IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 3pm.  Mostly cloudy, with a high near 85. Light and variable wind.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. Light south southwest wind.  Chance of precipitation is 30%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Light south wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Light south southwest wind increasing to 5 to 9 mph in the morning.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 85. Light and variable wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Light south southwest wind. Chance of precipitation is 30%.
Saturday
A 20 percent 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 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 92. 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 5 mph.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 74. South southwest wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Vienna IL
 37.46°N 88.85°W
1:26 pm CDT Aug 6, 2026
1pm CDT Aug 6, 2026-6pm CDT Aug 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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