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Severe Thunderstorms for the Midwest, Monsoon in the Southwest, Heat Continues in Southern and Central U.S on Wednesday

Strong to severe thunderstorms will be possible Wednesday in portions of the Midwest. Heavy rain, hail and damaging winds will all be possible, but a tornado cannot be ruled out either. The monsoonal flash flood threat remains in the Desert Southwest and Southern Rockies. Hot temperatures continue in the Southern Plains and Mississippi Valley. Heat Advisories are in effect. Read More >

Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

80°F

27°C

Humidity 69%
Wind Speed SE 10 mph
Barometer 30.07 in (1016.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Jul 2:51 am CDT
Extended Forecast for

Saint Louis MO

Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 74. Southeast wind 3 to 5 mph.

    Mostly Clear

    Low: 74 °F

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 98. Heat index values as high as 107. South wind 3 to 6 mph.

    Hot

    High: 98 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 77. South wind 3 to 5 mph.

    Slight Chance
    T-storms then
    Chance
    T-storms

    Low: 77 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 89. Southwest wind 5 to 7 mph becoming northwest in the afternoon.

    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 69. North wind around 6 mph.

    Chance
    T-storms

    Low: 69 °F

  • Friday

    Friday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Saturday

    Saturday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Southeast wind 3 to 5 mph.
Wednesday
Mostly sunny and hot, with a high near 98. Heat index values as high as 107. South wind 3 to 6 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 77. South wind 3 to 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Southwest wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. North wind around 6 mph.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
12:56 am CDT Jul 26, 2017
3am CDT Jul 26, 2017-6pm CDT Aug 1, 2017
 
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