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

32°F

0°C

Humidity 37%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 28 Jan 3:47 pm CST
Extended Forecast for

6 Miles WNW Goreville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 26. Calm wind.

    High: 26 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 28. Calm wind becoming northeast around 6 mph in the morning.

    High: 28 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 13. North northeast wind around 7 mph.

    Low: 13 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 20. North wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 20 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Northwest wind 5 to 8 mph.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 23. Northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 23 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 26. Calm wind.
Tonight
Mostly cloudy, with a low around 13. Calm wind.
Thursday
Mostly cloudy, with a high near 28. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 13. North northeast wind around 7 mph.
Friday
Partly sunny, with a high near 20. North wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 6. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 15. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 4. Northwest wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 23. Northwest wind around 6 mph becoming south southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 13. South southwest wind around 5 mph.
Monday
Partly sunny, with a high near 33. Southwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 21. Light southwest wind.
Tuesday
Mostly cloudy, with a high near 36. South southwest wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
3:36 pm CST Jan 28, 2026
Forecast Valid:
4pm CST Jan 28, 2026-6pm CST Feb 3, 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