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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 Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

91°F

33°C

Humidity 45%
Wind Speed NW 6 mph
Barometer 29.92 in (1011.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 19 Aug 4:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 69 °F

  • Sunday

    Sunday: Sunny, with a high near 95. Calm wind becoming east 5 to 7 mph in the afternoon.

    Sunny

    High: 95 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 77. Light southeast wind.

    Partly Cloudy

    Low: 77 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south around 6 mph in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 93 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 77. South wind around 6 mph.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 65.

    Chance
    T-storms

    Low: 65 °F

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 95. Calm wind becoming east 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 77. Light southeast wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south around 6 mph in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 77. South wind around 6 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
5:43 pm CDT Aug 19, 2017
5pm CDT Aug 19, 2017-6pm CDT Aug 26, 2017
 
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