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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

92°F

33°C

Humidity 49%
Wind Speed W 14 mph
Barometer 30.23 in (1022.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Sep 11:51 am CDT
Extended Forecast for

Country Life Acres MO

Heat Advisory September 17, 12:06pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 12:06pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 96. Heat index values as high as 104. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 96 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Calm wind becoming south around 6 mph in the evening.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. Southwest wind 5 to 8 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 106. West wind around 7 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 96. Heat index values as high as 104. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 76. Calm wind becoming south around 6 mph in the evening.
Saturday
Mostly sunny and hot, with a high near 97. Southwest wind 5 to 8 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Country Life Acres MO
 38.62°N 90.43°W (Elev. 597 ft)
Last Update:
9:56 am CDT Sep 17, 2026
Forecast Valid:
12pm CDT Sep 17, 2026-6pm CDT Sep 23, 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