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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

29°F

-2°C

Humidity 54%
Wind Speed NW 12 mph
Barometer 30.34 in (1028.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Nov 11:51 pm CST
Extended Forecast for

Saint John MO

  • Overnight

    Overnight: Scattered flurries before 3am. Cloudy early, then gradual clearing, with a low around 24. Northwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Scattered
    Flurries

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 28. West wind 5 to 8 mph becoming south after midnight.

    Low: 28 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 55. South wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. West wind 7 to 10 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

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

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered flurries before 3am. Cloudy early, then gradual clearing, with a low around 24. Northwest wind around 14 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 39. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 28. West wind 5 to 8 mph becoming south after midnight.
Veterans Day
Partly sunny, with a high near 55. South wind 8 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 42. West wind 7 to 10 mph.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint John MO
 38.71°N 90.34°W (Elev. 597 ft)
Last Update:
10:01 pm CST Nov 9, 2025
Forecast Valid:
12am CST Nov 10, 2025-6pm CST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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