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

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

80°F

27°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Aug 6:53 pm CDT
Extended Forecast for

Mac Kenzie MO

Flood Watch August 5, 10:00pm until August 6, 10:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 85. Calm wind becoming south around 5 mph.  Chance of precipitation is 70%.

    High: 85 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 9pm.  Partly cloudy, then becoming cloudy toward daybreak, with a low around 72. Light and variable wind.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Southwest wind 3 to 6 mph.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73. South wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. Calm wind becoming south around 5 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 9pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 72. Light and variable wind.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 3 to 6 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mac Kenzie MO
 38.58°N 90.32°W (Elev. 453 ft)
4:01 pm CDT Aug 5, 2026
7pm CDT Aug 5, 2026-6pm CDT Aug 12, 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