Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

37°F

3°C

Humidity 62%
Wind Speed SE 6 mph
Barometer 30.22 in (1024.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 4 Jan 10:51 am CST
Extended Forecast for

Cool Valley MO

  • Today

    Today: Mostly sunny early, then becoming cloudy, with a high near 44. Southeast wind 3 to 8 mph.

    High: 44 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 34. South wind 6 to 10 mph.

    Low: 34 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 57. South wind 5 to 7 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. South wind 6 to 8 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. West wind 7 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight.  Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny early, then becoming cloudy, with a high near 44. Southeast wind 3 to 8 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 34. South wind 6 to 10 mph.
Monday
Sunny, with a high near 57. South wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 45. South wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 62. West wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 47.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Cool Valley MO
 38.73°N 90.31°W (Elev. 584 ft)
11:12 am CST Jan 4, 2026
11am CST Jan 4, 2026-6pm CST Jan 10, 2026
 
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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