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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Zeigler IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 43. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 43 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 28. Southwest wind 3 to 6 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Light and variable wind becoming west northwest around 5 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 44. Light and variable wind becoming north northwest 5 to 10 mph in the morning.

    High: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 21. North wind 6 to 10 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. North wind around 6 mph becoming light and variable in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. Calm wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 43. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 28. Southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 45. Light and variable wind becoming west northwest around 5 mph.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 44. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 21. North wind 6 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36. North wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 50. South southwest wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 25. Northwest wind 7 to 10 mph.
Thursday
Partly sunny, with a high near 37. Northwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Zeigler IL
 37.89°N 89.05°W
Last Update:
10:26 pm CST Dec 4, 2025
Forecast Valid:
12am CST Dec 5, 2025-6pm CST Dec 11, 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