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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

61°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 29 Sep 11:55 pm CDT
Extended Forecast for

2 Miles NNW Marion IL

  • Overnight

    Overnight: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming northeast 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Light east southeast wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Light south wind.

    Low: 59 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 61. Calm wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming northeast 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. Light east southeast wind.
Friday
Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 59. Light south wind.
Saturday
Sunny, with a high near 84. South wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 59. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 61. Light south southeast wind.
Monday
Sunny, with a high near 85. South wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Marion IL
 37.76°N 88.97°W
Last Update:
12:01 am CDT Sep 30, 2025
Forecast Valid:
12am CDT Sep 30, 2025-6pm CDT Oct 6, 2025
 
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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