Thunderstorms expected near the western Gulf Coast and parts of the Florida coast. West Coast states will continue to be warm and dry.

Numerous showers and thunderstorms are expected near the western Gulf Coast and southern/eastern Florida Coast through the weekend. Accumulations up to 4 and 5 inches are likely for these locations. Warm and dry conditions are expected for most of the West this weekend. Late-summer heat and humidity will persist across much of eastern half of the U.S. through the weekend. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 30.10 in (1018.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 27 Aug 11:53 pm CDT
Extended Forecast for

Arnold MO

  • Overnight

    Overnight: Isolated showers and thunderstorms before 3am.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 71. Light and variable wind.  Chance of precipitation is 20%.

    Isolated
    T-storms and
    Patchy Fog

    Low: 71 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 91 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. East wind around 5 mph becoming calm  in the evening.

    Slight Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.

    Chance
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph.

    Partly Cloudy

    Low: 72 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

    Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69.

    Slight Chance
    T-storms

    Low: 69 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 66.

    Mostly Cloudy

    Low: 66 °F

Detailed Forecast

Overnight
Isolated showers and thunderstorms before 3am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Arnold MO
 38.45°N 90.38°W (Elev. 499 ft)
11:58 pm CDT Aug 27, 2016
12am CDT Aug 28, 2016-6pm CDT Sep 2, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database