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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

64°F

18°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.61 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 8 May 8:50 pm CDT
Extended Forecast for

West Alton MO

Flood Warning May 9, 07:00am until May 13, 09:00am
Click here for hazard details and duration
Flood Warning

  • Tonight

    Tonight: Isolated showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Southeast wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 73 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. North wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West wind 6 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Southeast wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 73. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 51. North wind 6 to 13 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 71. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 54. West wind 6 to 9 mph.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Monday
A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 77.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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:
8:53 pm CDT May 8, 2024
Forecast Valid:
9pm CDT May 8, 2024-6pm CDT May 15, 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