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.

Overcast

22°C

71°F

Humidity 96%
Wind Speed S 7 km/h
Barometer 29.89 in
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 14 Jun 12:55 am CDT
Extended Forecast for

3 Miles SE Tunnel Hill IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21. South wind 5 to 8 km/h.

    Low: 21 °C

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 27. South southwest wind 5 to 10 km/h becoming northwest in the afternoon. Chance of precipitation is 70%.

    High: 27 °C

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Northwest wind 3 to 8 km/h.

    High: 29 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28. Calm wind. Chance of precipitation is 40%.

    High: 28 °C

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%.

    Low: 21 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 30. South southwest wind 8 to 13 km/h.

    High: 30 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 23. South wind around 11 km/h.

    Low: 23 °C

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21. South wind 5 to 8 km/h.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 27. South southwest wind 5 to 10 km/h becoming northwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 21. Calm wind.
Sunday
Partly sunny, with a high near 29. Northwest wind 3 to 8 km/h.
Sunday Night
Partly cloudy, with a low around 21. Calm wind.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28. Calm wind. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 30. South southwest wind 8 to 13 km/h.
Tuesday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 23. South wind around 11 km/h.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 31. South southwest wind 13 to 18 km/h, with gusts as high as 35 km/h.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 23. Southwest wind 11 to 14 km/h, with gusts as high as 32 km/h.
Juneteenth
A chance of showers and thunderstorms. Partly sunny, with a high near 29. West wind 11 to 13 km/h.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 20. West northwest wind 3 to 8 km/h.
Friday
A slight chance of showers. Sunny, with a high near 30. Northeast wind 5 to 8 km/h becoming south southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Tunnel Hill IL
 37.53°N 88.85°W
Last Update:
11:31 pm CDT Jun 13, 2025
Forecast Valid:
1am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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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