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 Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.6 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Last update 11 Nov 4:53 am CST
Extended Forecast for

Cahokia / St. Louis, St. Louis Downtown Airport IL

  • Veterans Day

    Veterans Day: Mostly cloudy, then gradually becoming sunny, with a high near 70. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 29 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Northwest wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered sprinkles before 1pm, then isolated showers between 1pm and 3pm, then scattered sprinkles after 3pm.  Partly sunny, with a high near 50. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Mostly 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 21 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. Northwest wind 8 to 11 mph.

    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

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Mostly cloudy, then gradually becoming sunny, with a high near 70. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 29 mph.
Tonight
Partly cloudy, with a low around 42. Northwest wind 7 to 15 mph, with gusts as high as 28 mph.
Thursday
Scattered sprinkles before 1pm, then isolated showers between 1pm and 3pm, then scattered sprinkles after 3pm. Partly sunny, with a high near 50. Northwest wind 9 to 15 mph, with gusts as high as 24 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 21 mph.
Friday
Mostly sunny, with a high near 46. Northwest wind 8 to 11 mph.
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 52.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Cahokia / St. Louis, St. Louis Downtown Airport IL
 38.57°N 90.15°W (Elev. 407 ft)
2:46 am CST Nov 11, 2026
5am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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Additional Resources

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