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Severe weather risk and flash flood potential continue on Sunday

Strong to severe thunderstorms are expected across much of the central and southern Plains towards the Miss. River Valley on Sunday. The Storm Prediction Center indicates a Slight Risk for these areas. Isolated tornadoes, hail and damaging winds are all possible. Flash flooding is also forecast from central Iowa into southern Texas where the heaviest rainfall is expected.
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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

84°F

29°C

Humidity 49%
Wind Speed S 13 G 28 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 May 1:53 pm CDT
Extended Forecast for

Arnold MO

  • Overnight



    Low: 62 °F

  • Sunday

    Scattered Thunderstorms Chance for Measurable Precipitation 50%

    Scattered
    Thunderstorms

    High: 85 °F

  • Sunday
    Night

    Thunderstorms Chance for Measurable Precipitation 90%

    Thunderstorms

    Low: 67 °F

  • Memorial
    Day

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    High: 83 °F

  • Monday
    Night

    Thunderstorms Likely Chance for Measurable Precipitation 70%

    Thunderstorms
    Likely

    Low: 68 °F

  • Tuesday

    Thunderstorms Likely Chance for Measurable Precipitation 70%

    Thunderstorms
    Likely

    High: 80 °F

  • Tuesday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 65 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    High: 84 °F

  • Wednesday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    Low: 64 °F

Detailed Forecast

Overnight
Low around 62.
Sunday
Scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. North wind around 16 mph. Chance of precipitation is 50%.
Sunday Night
Showers and thunderstorms. Low around 67. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Memorial Day
A chance of showers before 1pm. Mostly sunny, with a high near 83. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 68. South wind 7 to 10 mph. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
  Click Map For Forecast
Point Forecast:
Arnold MO
 38.45°N 90.38°W (Elev. 499 ft)
2:14 pm CDT May 24, 2015
11pm CDT May 23, 2015-6pm CDT May 30, 2015
 
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