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 >

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

65°F

18°C

Humidity 82%
Wind Speed S 6 mph
Barometer 29.85 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Oct 12:35 am CDT
Extended Forecast for

3 Miles NW Tunnel Hill IL

  • Overnight

    Overnight: Mostly clear, with a low around 63. South wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Increasing clouds, with a high near 81. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Low around 51. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 7am.  Partly sunny, then gradually becoming sunny, with a high near 63. West northwest wind 11 to 16 mph, with gusts as high as 31 mph.

    High: 63 °F

    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. South southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. West northwest wind 8 to 11 mph, with gusts as high as 20 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

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South wind around 6 mph.
Saturday
A slight chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. South southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 51. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Sunday
A 30 percent chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 63. West northwest wind 11 to 16 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 41. Light and variable wind.
Monday
Sunny, with a high near 70. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 50. South southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 65. West northwest wind 8 to 11 mph, with gusts as high as 20 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 65. Calm wind becoming west northwest around 5 mph in the morning.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 44. Calm wind becoming south around 5 mph after midnight.
Thursday
A chance of showers. Mostly sunny, with a high near 66. South southwest wind 6 to 8 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 46. South southwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 66. North northwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Tunnel Hill IL
 37.58°N 88.9°W
11:15 pm CDT Oct 17, 2025
12am CDT Oct 18, 2025-6pm CDT Oct 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database