Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

68°F

20°C

Humidity 56%
Wind Speed W 10 mph
Barometer 29.77 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 11 Nov 11:50 am CST
Extended Forecast for

Williamson IL

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 67. Southwest wind 11 to 18 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain between noon and 5pm.  Partly sunny, with a high near 49. North wind 9 to 18 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 7 to 13 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 44. Northwest wind 7 to 13 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Mostly sunny, with a high near 67. Southwest wind 11 to 18 mph.
Tonight
Partly cloudy, with a low around 40. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight.
Thursday
A slight chance of rain between noon and 5pm. Partly sunny, with a high near 49. North wind 9 to 18 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 7 to 13 mph.
Friday
Mostly sunny, with a high near 44. Northwest wind 7 to 13 mph.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamson IL
 38.98°N 89.76°W (Elev. 597 ft)
10:25 am CST Nov 11, 2026
11am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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Additional Resources

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