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Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai today. Impacts such as high surf and heavy rain could impact all of the islands. A Hurricane Warning is in effect for Kauai, Niihau and the surrounding coastal waters. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest this week with limited nighttime relief. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

61°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.09 in (1018.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 8 Sep 6:54 am CDT
Extended Forecast for

High Ridge MO

  • Today

    Today: Mostly sunny, with a high near 93. Light southeast wind.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 97 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 70. Light and variable wind. Chance of precipitation is 100%.

    Low: 70 °F

    T-storms
    Likely then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. West wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 90%.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 93. Light southeast wind.
Tonight
Mostly clear, with a low around 74. South wind 5 to 7 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 70. Light and variable wind. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. West wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 90%.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
High Ridge MO
 38.47°N 90.52°W (Elev. 797 ft)
Last Update:
4:21 am CDT Sep 8, 2026
Forecast Valid:
7am CDT Sep 8, 2026-6pm CDT Sep 14, 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