Tornado, Hail and Flash Flooding Risk for Central/Southern Plains; Heat Wave Continues in the East

A Moderate Risk of severe thunderstorms is in place into tonight for very large hail, damaging winds, and strong tornadoes for portions of the southern and central High Plains. A Moderate Risk for excessive rainfall and flash flooding is forecast today from the northern Texas Panhandle into southeast Nebraska. In the Southeast and Mid-Atlantic, high temperatures may tie or break previous records. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

81°F

27°C

Humidity 65%
Wind Speed W 12 G 17 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 May 2:53 pm CDT
Extended Forecast for

Arnold MO

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly cloudy, with a high near 85. West wind around 7 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 85 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Light and variable wind.

    Mostly Cloudy

    Low: 68 °F

  • Memorial
    Day

    Memorial Day: Mostly cloudy, then gradually becoming sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    Decreasing
    Clouds

    High: 90 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 68. South wind 5 to 7 mph.

    Mostly Clear

    Low: 68 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. South wind 6 to 10 mph.

    Mostly Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely after 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Partly Cloudy
    then T-storms
    Likely

    Low: 69 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 84.

    Chance
    T-storms

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62.

    Chance
    T-storms

    Low: 62 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 85. West wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 68. Light and variable wind.
Memorial Day
Mostly cloudy, then gradually becoming sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 68. South wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 89. South wind 6 to 10 mph.
Tuesday Night
Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 84.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 82.
Click Map For Forecast
Point Forecast:
Arnold MO
 38.42°N 90.38°W (Elev. 495 ft)
2:29 pm CDT May 26, 2019
3pm CDT May 26, 2019-6pm CDT Jun 2, 2019
 
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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