National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

41°F

5°C

Humidity 95%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 11 Nov 3:35 am CST
Extended Forecast for

Pontoon Beach IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 69. Light and variable wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 28 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered sprinkles before noon, then isolated showers between noon and 5pm, then scattered sprinkles after 5pm. Partly sunny, with a high near 50. Northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 50 °F

    Partly Sunny
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. North wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °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 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Light south wind.
Veterans Day
Mostly sunny, with a high near 69. Light and variable wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 42. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Thursday
Scattered sprinkles before noon, then isolated showers between noon and 5pm, then scattered sprinkles after 5pm. Partly sunny, with a high near 50. Northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 32. North wind 7 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pontoon Beach IL
 38.72°N 90.03°W (Elev. 427 ft)
Last Update:
2:46 am CST Nov 11, 2026
Forecast Valid:
3am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation