Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

81°F

27°C

Humidity 74%
Wind Speed Vrbl 7 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 11 Aug 7:53 am CDT
Extended Forecast for

Sunset Hills MO

Extreme Heat Warning August 11, 08:33am until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 11, 08:33am until August 12, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Southwest wind around 6 mph.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 5 to 7 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 77. South wind 3 to 5 mph.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. South wind around 6 mph becoming east in the afternoon.

    High: 96 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 94.

    High: 94 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 78. Southwest wind around 6 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 5 to 7 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind 3 to 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South wind around 6 mph becoming east in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 75.
Friday
Partly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunset Hills MO
 38.54°N 90.41°W (Elev. 574 ft)
6:06 am CDT Aug 11, 2026
8am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database