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Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in (1013.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 2:54 am CDT
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Mostly clear, with a low around 68. Calm wind.

    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: Sunny, with a high near 95. Light and variable wind.

    Sunny

    High: 95 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 72. Light and variable wind.

    Partly Cloudy

    Low: 72 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 92 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 74. South wind around 5 mph.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 74 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 63.

    Slight Chance
    T-storms

    Low: 63 °F

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 95. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 72. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. South wind around 5 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
1:42 am CDT Aug 20, 2017
3am CDT Aug 20, 2017-6pm CDT Aug 26, 2017
 
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Additional Resources

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