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

Severe Weather in Florida and the Great Plains; Heavy Rainfall in Hawaii and the Gulf Coast

Scattered severe thunderstorms will continue over parts of the north-central Florida Peninsula and develop in the southern Great Plains. New daily record high temperatures are expected for portions of South Florida and southern Texas the next couple of days. Flash flooding is expected in Hawaii. On Thursday, rain may cause additional flooding across east Texas and Louisiana. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

68°F

20°C

Humidity 73%
Wind Speed W 6 mph
Barometer 29.84 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 May 8:50 pm CDT
Extended Forecast for

West Alton MO

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 75. South wind 5 to 9 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Southeast wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 75. South wind 5 to 9 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Southeast wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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:
8:07 pm CDT May 15, 2024
Forecast Valid:
9pm CDT May 15, 2024-6pm CDT May 22, 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