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

3 Miles SSE Tunnel Hill IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 8 mph becoming calm in the afternoon.

    High: 36 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Calm wind becoming south southwest 5 to 9 mph after midnight.

    Low: 26 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. South southwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. South wind 5 to 7 mph becoming north northwest after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36. Northwest wind 7 to 10 mph.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 8 mph becoming calm in the afternoon.
Tonight
Increasing clouds, with a low around 26. Calm wind becoming south southwest 5 to 9 mph after midnight.
Tuesday
Mostly sunny, with a high near 47. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind around 15 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 50. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 39. Light and variable wind becoming south southwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 26. South wind 5 to 7 mph becoming north northwest after midnight.
Friday
Partly sunny, with a high near 36. Northwest wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 12. North northwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 22. North wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 12. Calm wind becoming north around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 27. North wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Tunnel Hill IL
 37.53°N 88.85°W
Last Update:
5:01 am CST Dec 8, 2025
Forecast Valid:
5am CST Dec 8, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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