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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Collinsville IL

  • Veterans Day

    Veterans Day: Sunny, with a high near 69. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northwest wind 7 to 17 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of rain between 1pm and 4pm.  Partly sunny, with a high near 52. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind 7 to 14 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 46. Northwest wind 8 to 13 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °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 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Sunny, with a high near 69. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 43. Northwest wind 7 to 17 mph, with gusts as high as 24 mph.
Thursday
A slight chance of rain between 1pm and 4pm. Partly sunny, with a high near 52. Northwest wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 31. Northwest wind 7 to 14 mph.
Friday
Mostly sunny, with a high near 46. Northwest wind 8 to 13 mph.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 30.
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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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville IL
 38.68°N 89.97°W (Elev. 502 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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