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.

Overcast

46°F

8°C

Humidity 93%
Wind Speed S 12 mph
Barometer 29.99 in
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill40°F (4°C)
Last update 17 Feb 8:47 am CST
Extended Forecast for

Zeigler IL

  • Today

    Today: Patchy fog before 9am. Otherwise, cloudy, with a high near 65. South wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 65 °F

    Patchy Fog
    then Cloudy

  • Tonight

    Tonight: A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 56. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 33 mph.

    Low: 56 °F

    Breezy.
    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Southwest wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Partly cloudy, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. South southwest wind 7 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. South southwest wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. West wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after midnight. Partly cloudy, with a low around 32. Light and variable wind becoming north around 6 mph after midnight.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after noon. Mostly sunny, with a high near 47. North wind 6 to 10 mph.

    High: 47 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, cloudy, with a high near 65. South wind 9 to 16 mph, with gusts as high as 28 mph.
Tonight
A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 56. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 73. Southwest wind 7 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 54. South wind around 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. South southwest wind 7 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. South southwest wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 55. West wind 7 to 13 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 32. Light and variable wind becoming north around 6 mph after midnight.
Saturday
A chance of showers, mainly after noon. Mostly sunny, with a high near 47. North wind 6 to 10 mph.
Saturday Night
A slight chance of rain and snow showers before midnight, then a slight chance of rain showers. Mostly clear, with a low around 27. Northwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 42. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 20. North northwest wind 6 to 8 mph.
Monday
Sunny, with a high near 41. North northwest wind 5 to 8 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:
7:26 am CST Feb 17, 2026
Forecast Valid:
8am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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