National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

80°F

27°C

Humidity 79%
Wind Speed S 10 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 9 Aug 8:51 am CDT
Extended Forecast for

Normandy MO

Extreme Heat Warning August 9, 12:00pm until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Mostly sunny, with a high near 95. Heat index values as high as 105. South wind 7 to 11 mph.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 78. South wind 8 to 11 mph.

    Low: 78 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy through mid morning, then becoming sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 7 to 9 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97. Southwest wind 7 to 9 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Slight Chance
    T-storms

  • Wednesday Night

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

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 95. Heat index values as high as 105. South wind 7 to 11 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 78. South wind 8 to 11 mph.
Monday
Mostly cloudy through mid morning, then becoming sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph.
Tuesday
Mostly sunny and hot, with a high near 97. Southwest wind 7 to 9 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Normandy MO
 38.71°N 90.31°W (Elev. 597 ft)
Last Update:
8:01 am CDT Aug 9, 2026
Forecast Valid:
9am CDT Aug 9, 2026-6pm CDT Aug 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation