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Cool and Dry in the East; Turning Stormy in the Northwest

Much cooler temperatures behind a cold front will bring a feeling of fall to the East Coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rain and high elevation snow. Northern California will benefit from rainfall this week that will aid firefighters given the recent large wildfires. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

71°F

22°C

Humidity 27%
Wind Speed S 9 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 17 Oct 2:53 pm CDT
Extended Forecast for

Arnold MO

  • Tonight

    Tonight: Clear, with a low around 45. South wind 3 to 7 mph.

    Clear

    Low: 45 °F

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light south wind increasing to 6 to 11 mph in the morning.

    Sunny

    High: 75 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 50. South wind 3 to 5 mph.

    Mostly Clear

    Low: 50 °F

  • Thursday

    Thursday: Sunny, with a high near 80. Southwest wind 3 to 5 mph.

    Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 51. Light south wind.

    Mostly Clear

    Low: 51 °F

  • Friday

    Friday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

  • Saturday

    Saturday: Partly sunny, with a high near 80.

    Partly Sunny

    High: 80 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely

    Low: 60 °F

Detailed Forecast

Tonight
Clear, with a low around 45. South wind 3 to 7 mph.
Wednesday
Sunny, with a high near 75. Light south wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 50. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 80. Southwest wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 51. Light south wind.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 71.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 61.
Click Map For Forecast
Point Forecast:
Arnold MO
 38.45°N 90.38°W (Elev. 499 ft)
1:57 pm CDT Oct 17, 2017
3pm CDT Oct 17, 2017-6pm CDT Oct 24, 2017
 
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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