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.

Mostly Cloudy

48°F

9°C

Humidity 82%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 1 Nov 9:45 am CDT
Extended Forecast for

3 Miles NNW Vienna IL

Freeze Watch November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Watch

  • Today

    Today: Showers, mainly between 1pm and 4pm. High near 53. West northwest wind 3 to 5 mph. Chance of precipitation is 80%.

    High: 53 °F

    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 9pm. Patchy frost after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Chance
    Showers

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming north around 5 mph.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. South southwest wind around 6 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. South southwest wind 6 to 10 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Showers, mainly between 1pm and 4pm. High near 53. West northwest wind 3 to 5 mph. Chance of precipitation is 80%.
Tonight
A 30 percent chance of showers, mainly before 9pm. Patchy frost after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. Calm wind.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming north around 5 mph.
Sunday Night
Clear, with a low around 33. Calm wind.
Monday
Sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. South southwest wind around 6 mph.
Wednesday
Sunny, with a high near 70. South southwest wind 6 to 10 mph.
Wednesday Night
Clear, with a low around 43. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 68. Calm wind becoming south southeast 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 51. South southeast wind around 6 mph.
Friday
A chance of showers. Partly sunny, with a high near 68. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vienna IL
 37.44°N 88.91°W
Last Update:
8:06 am CDT Nov 1, 2025
Forecast Valid:
10am CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
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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