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

Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

46°F

8°C

Humidity 58%
Wind Speed NW 12 G 22 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 12 Nov 2:51 pm CST
Extended Forecast for

Saint Ann MO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 51. North wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 46. North wind 8 to 13 mph.

    High: 46 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 29. North wind 3 to 7 mph.

    Low: 29 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 51. North wind 13 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 34. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Friday
Increasing clouds, with a high near 46. North wind 8 to 13 mph.
Friday Night
Clear, with a low around 29. North wind 3 to 7 mph.
Saturday
Sunny, with a high near 48. Light and variable wind.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 53.
Monday Night
Clear, with a low around 33.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Clear, with a low around 35.
Wednesday
Sunny, with a high near 60.
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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:
12:26 pm CST Nov 12, 2026
Forecast Valid:
2pm CST Nov 12, 2026-6pm CST Nov 18, 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