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.

Fair

61°F

16°C

Humidity 83%
Wind Speed NE 2 mph
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 8 Oct 12:55 am CDT
Extended Forecast for

4 Miles NW Tunnel Hill IL

  • Overnight

    Overnight: Clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. East wind 3 to 6 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. South southeast wind 3 to 6 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 80. Light and variable wind becoming east 5 to 9 mph in the morning.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 59. East northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 73. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 60. Light and variable wind.
Thursday
Sunny, with a high near 83. East wind 3 to 6 mph.
Thursday Night
Clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 85. South southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 62. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 80. Light and variable wind becoming east 5 to 9 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 59. East northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 73. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. Calm wind.
Columbus Day
Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 59. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 73. West wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 51. North northeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 71. Northeast wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Tunnel Hill IL
 37.6°N 88.93°W
Last Update:
1:11 am CDT Oct 8, 2026
Forecast Valid:
1am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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