Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

81°F

27°C

Humidity 62%
Wind Speed S 18 mph
Barometer 29.81 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Oct 11:45 am CDT
Extended Forecast for

3 Miles NW Tunnel Hill IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 82. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms.  Low around 51. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 7am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 63. West northwest wind 14 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 42. West wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 40. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. South southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms. Low around 51. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Sunday
Showers likely, mainly before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 63. West northwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Sunday Night
Clear, with a low around 42. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 50. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 65. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Clear, with a low around 40. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 43. Calm wind.
Thursday
Mostly sunny, with a high near 67. South wind 3 to 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49. Calm wind becoming south southeast around 5 mph after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 67. South wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Tunnel Hill IL
 37.6°N 88.9°W
9:16 am CDT Oct 18, 2025
12pm CDT Oct 18, 2025-6pm CDT Oct 24, 2025
 
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