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

19°C

66°F

Humidity 73%
Wind Speed Vrbl 11 km/h
Barometer 29.99 in
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 5 May 7:50 pm CDT
Extended Forecast for

West Alton MO

Flood Warning until May 7, 01:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning until May 7, 01:00pm

    NOW until 1:00pm Tue

    Flood Warning

  • Tonight

    Low: 16 °C

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 2pm. Mostly cloudy, with a high near 25. East wind around 11 km/h. Chance of precipitation is 30%.

    High: 25 °C

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 17. Southeast wind 13 to 18 km/h. Chance of precipitation is 80%.

    Low: 17 °C

    Mostly Cloudy
    then Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 29. South wind 16 to 21 km/h becoming southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 80%.

    High: 29 °C

    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 15. West wind 8 to 13 km/h becoming southeast after midnight. Chance of precipitation is 20%.

    Low: 15 °C

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 28. Chance of precipitation is 80%.

    High: 28 °C

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 14.

    Low: 14 °C

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 24. Breezy.

    High: 24 °C

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Tonight
A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Cloudy, with a low around 16. East wind 5 to 11 km/h. Chance of precipitation is 50%.
Monday
A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 2pm. Mostly cloudy, with a high near 25. East wind around 11 km/h. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 17. Southeast wind 13 to 18 km/h. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 29. South wind 16 to 21 km/h becoming southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 80%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 15. West wind 8 to 13 km/h becoming southeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 28. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 14.
Thursday
Sunny, with a high near 24. Breezy.
Thursday Night
Mostly clear, with a low around 11.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 11.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Sunny, with a high near 24.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
West Alton MO
 38.86°N 90.22°W (Elev. 427 m)
Last Update:
7:07 pm CDT May 5, 2024
Forecast Valid:
8pm CDT May 5, 2024-6pm CDT May 12, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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