Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

80°F

27°C

Humidity 76%
Wind Speed SW 6 mph
Barometer 30.00 in (1014.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 10 Aug 7:51 am CDT
Extended Forecast for

Normandy MO

Extreme Heat Warning August 10, 08:07am until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 10, 08:07am until August 12, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 97 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 80. South wind 6 to 8 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind around 9 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 80. Southwest wind 5 to 7 mph.

    Low: 80 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny and hot, with a high near 97. West wind 7 to 9 mph.  Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 10am and 11am. Partly sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind around 9 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 80. South wind 6 to 8 mph.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind around 9 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 80. Southwest wind 5 to 7 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 97. West wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Normandy MO
 38.71°N 90.31°W (Elev. 597 ft)
4:57 am CDT Aug 10, 2026
8am CDT Aug 10, 2026-6pm CDT Aug 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database