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

52°F

11°C

Humidity 82%
Wind Speed W 2 mph
Barometer 29.98 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 3:55 am CDT
Extended Forecast for

6 Miles ENE Anna IL

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the morning.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 74. Northeast wind around 9 mph becoming northwest in the afternoon.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the morning.
Tonight
Clear, with a low around 58. Light and variable wind.
Thursday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.
Thursday Night
Clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Calm wind.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph.
Sunday
A chance of showers. Partly sunny, with a high near 74. Northeast wind around 9 mph becoming northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 57. Calm wind.
Columbus Day
Mostly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Calm wind.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Anna IL
 37.5°N 89.16°W
Last Update:
3:36 am CDT Oct 7, 2026
Forecast Valid:
4am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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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