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.

Overcast and Breezy

68°F

20°C

Humidity 57%
Wind Speed SW 23 G 35 mph
Barometer 29.43 in (996.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Mar 11:51 am CDT
Extended Forecast for

Saint Ann MO

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

    NOW until 12:00pm Mon

    Wind Advisory

  • This Afternoon

    High: 69 °F⇓

    T-storms and
    Breezy

  • Tonight

    Tonight: Rain before 9pm, then a slight chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Low around 22. Breezy, with a west wind 24 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Breezy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A slight chance of snow before 11am, then a chance of flurries between 11am and noon. Cloudy, with a high near 28. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Northwest wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northwest wind around 7 mph becoming south in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a steady temperature around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 64.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Temperature falling to around 52 by 5pm. Breezy, with a south wind 20 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.
Tonight
Rain before 9pm, then a slight chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Low around 22. Breezy, with a west wind 24 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 11am, then a chance of flurries between 11am and noon. Cloudy, with a high near 28. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 15. Northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind around 7 mph becoming south in the afternoon.
Tuesday Night
A chance of snow between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a steady temperature around 37. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 69.
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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:
11:56 am CDT Mar 15, 2026
Forecast Valid:
12pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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