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Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Thunderstorm in Vicinity

63°F

17°C

Humidity 100%
Wind Speed E 16 mph
Barometer 29.83 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Apr 1:45 pm CDT
Extended Forecast for

West Alton MO

Flash Flood Watch until May 1, 01:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until May 1, 01:00am

    NOW until
    1:00am Mon

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall.  High near 68. Southeast wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    Heavy Rain

    High: 68 °F

  • Tonight

    Tonight: Showers and thunderstorms. Some of the storms could produce heavy rain.  Low around 61. East wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%.

    Heavy Rain

    Low: 61 °F

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rain.  High near 74. South wind 11 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%.

    Heavy Rain

    High: 74 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 48. South wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    Heavy Rain

    Low: 48 °F

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 57. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 34 mph.

    Slight Chance
    Showers and
    Breezy

    High: 57 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 46.

    Partly Cloudy

    Low: 46 °F

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    Sunny

    High: 70 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    Low: 50 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 68. Southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 61. East wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 74. South wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 48. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 1pm. Cloudy, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
West Alton MO
 38.86°N 90.22°W (Elev. 427 ft)
3:43 pm CDT Apr 29, 2017
4pm CDT Apr 29, 2017-6pm CDT May 6, 2017
 
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