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

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 Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

82°F

28°C

Humidity 55%
Wind Speed Vrbl 6 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 May 10:50 am CDT
Extended Forecast for

West Alton MO

  • Today

    Today: Sunny, with a high near 90. South wind 5 to 8 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. South wind 7 to 13 mph. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind 6 to 10 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 92. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. South wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 68. South wind 6 to 8 mph.
Monday
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. South wind 7 to 13 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 92. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
West Alton MO
 38.86°N 90.22°W (Elev. 427 ft)
Last Update:
7:52 am CDT May 19, 2024
Forecast Valid:
11am CDT May 19, 2024-6pm CDT May 25, 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