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Inclement Weather in the Pacific Northwest; Heavy Rain and Thunderstorms in Southern Texas

A series of cold fronts will continue to bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this week. Heavy to excessive rainfall may produce areas of flooding over southern Texas through Monday morning. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

40°F

4°C

Humidity 95%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Nov 1:35 am CST
Extended Forecast for

Glen Carbon IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Light and variable wind becoming southwest around 5 mph.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. West wind around 6 mph becoming calm in the afternoon.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Partly sunny, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 46. Light and variable wind becoming southwest around 5 mph.
Tuesday
Sunny, with a high near 70. West wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Veterans Day
Showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glen Carbon IL
 38.75°N 90°W (Elev. 466 ft)
Last Update:
12:25 am CST Nov 9, 2026
Forecast Valid:
1am CST Nov 9, 2026-6pm CST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation