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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

58°F

14°C

Humidity 50%
Wind Speed E 14 mph
Barometer 29.80 in (1009.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 Mar 8:51 pm CDT
Extended Forecast for

Saint Ann MO

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Low around 21. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Windy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 29. Blustery, with a northwest wind 21 to 29 mph, with gusts as high as 43 mph.

    High: 29 °F

    Mostly Cloudy
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 26 mph.
Sunday
Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Low around 21. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 29. Blustery, with a northwest wind 21 to 29 mph, with gusts as high as 43 mph.
Monday Night
Mostly clear, with a low around 15. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Ann MO
 38.73°N 90.4°W (Elev. 597 ft)
Last Update:
8:31 pm CDT Mar 14, 2026
Forecast Valid:
9pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation