National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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

4 Miles NW Tunnel Hill IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Light north northeast wind.

    High: 54 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy frost before 4am, then patchy frost after 5am. Otherwise, clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 7am. Otherwise, sunny, with a high near 61. Southwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 61 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Calm wind becoming south 5 to 9 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South southwest wind 6 to 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69. Southwest wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Cloudy, with a low around 39. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Light north northeast wind.
Sunday Night
Patchy frost before 4am, then patchy frost after 5am. Otherwise, clear, with a low around 37. Calm wind.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 61. Southwest wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 49. South southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 45. Light and variable wind.
Thursday
Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 55. South wind 6 to 10 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 48. West wind 3 to 6 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Tunnel Hill IL
 37.6°N 88.93°W
Last Update:
1:26 am CST Nov 2, 2025
Forecast Valid:
1am CDT Nov 2, 2025-6pm CST Nov 8, 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