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Heavy rain and potential flooding in the Plains

A slow-moving weather system with abundant moisture will bring heavy rainfall across portions of the Central and Southern Plains Saturday. Soils in the region are already saturated from recent rainfall, so flash flooding and river flooding are likely.
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Hazardous Weather Conditions

Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

67°F

19°C

Humidity 63%
Wind Speed SE 6 mph
Barometer 30.33 in (1026.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 May 8:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Partly Sunny

    Partly
    Sunny

    High: 79 °F

  • Tonight

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 65 °F

  • Sunday

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    High: 80 °F

  • Sunday
    Night

    Thunderstorms Chance for Measurable Precipitation 80%

    Thunderstorms

    Low: 70 °F

  • Memorial
    Day

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 80 °F

  • Monday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 72 °F

  • Tuesday

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 78 °F

  • Tuesday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    Low: 69 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 81 °F

Detailed Forecast

Today
Partly sunny, with a high near 79. South wind around 9 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Southeast wind 6 to 8 mph.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. South wind 7 to 15 mph. Chance of precipitation is 60%.
Sunday Night
Occasional showers and thunderstorms. Low around 70. Southeast wind 10 to 14 mph. Chance of precipitation is 80%.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 11 to 15 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
  Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
8:42 am CDT May 23, 2015
10am CDT May 23, 2015-6pm CDT May 29, 2015
 
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