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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

97°F

36°C

Humidity 45%
Wind Speed S 8 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 21 Jul 5:53 pm CDT
Extended Forecast for

Crystal City MO

Excessive Heat Warning until July 23, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 23, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 5 to 7 mph.

    Mostly Clear

    Low: 79 °F

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Heat index values as high as 110. Southwest wind 5 to 9 mph.

    Hot

    High: 101 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph.

    Chance
    T-storms

    Low: 77 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny and hot, with a high near 98. Heat index values as high as 106. Light northwest wind.

    Slight Chance
    T-storms

    High: 98 °F

  • Sunday
    Night

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

    Partly Cloudy

    Low: 72 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 93 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89.

    Mostly Sunny
    then Chance
    T-storms

    High: 89 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 79. South wind 5 to 7 mph.
Saturday
Sunny and hot, with a high near 101. Heat index values as high as 110. Southwest wind 5 to 9 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 98. Heat index values as high as 106. Light northwest wind.
Sunday Night
Partly cloudy, with a low around 72. Light west wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Crystal City MO
 38.22°N 90.39°W (Elev. 446 ft)
5:45 pm CDT Jul 21, 2017
6pm CDT Jul 21, 2017-6pm CDT Jul 28, 2017
 
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