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.

Overcast

64°F

18°C

Humidity 78%
Wind Speed NE 5 mph
Barometer 30.00 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 5 May 9:50 pm CDT
Extended Forecast for

West Alton MO

Flood Warning May 5, 10:00pm until May 8, 04:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning May 5, 10:00pm until May 8, 04:00am

    NOW until 4:00am Wed

    Flood Warning

  • Tonight

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 2pm. Mostly cloudy, with a high near 77. East wind around 7 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 62. Southeast wind 8 to 11 mph. Chance of precipitation is 80%.

    Low: 62 °F

    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 84. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    High: 84 °F

    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 59. West wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 20%.

    Low: 59 °F

    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 82. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

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

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 76. Breezy.

    High: 76 °F

    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 60. East wind 3 to 7 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 2pm. Mostly cloudy, with a high near 77. East wind around 7 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 62. Southeast wind 8 to 11 mph. 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 84. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph. 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 59. West wind 5 to 8 mph 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 82. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Thursday
Sunny, with a high near 76. Breezy.
Thursday Night
Mostly clear, with a low around 51.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 51.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 76.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
West Alton MO
 38.86°N 90.22°W (Elev. 427 ft)
Last Update:
9:07 pm CDT May 5, 2024
Forecast Valid:
10pm CDT May 5, 2024-6pm CDT May 12, 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