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Severe Thunderstorms in the Southeast U.S; Flash Flooding Threat for the Northern Gulf Coast

Severe thunderstorms are expected across portions of the Southeast and Carolinas today where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast today due to the threat of flash, urban, and riverine flooding. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

75°F

24°C

Humidity 66%
Wind Speed S 5 mph
Barometer 29.91 in (1011.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 May 3:51 am CDT
Extended Forecast for

Saint Ann MO

  • Today

    Today: Scattered showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 88. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 88 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 92. South wind 8 to 18 mph, with gusts as high as 36 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Southwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 88. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 70. South wind around 7 mph.
Tuesday
Sunny, with a high near 92. South wind 8 to 18 mph, with gusts as high as 36 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Southwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Saint Ann MO
 38.73°N 90.4°W (Elev. 597 ft)
Last Update:
3:53 am CDT May 20, 2024
Forecast Valid:
4am CDT May 20, 2024-6pm CDT May 26, 2024
 
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