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

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 Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

83°F

28°C

Humidity 46%
Wind Speed Vrbl 5 mph
Barometer 30.14 in (1019.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 8 Sep 10:51 am CDT
Extended Forecast for

Spanish Lake MO

  • Today

    Today: Mostly sunny, with a high near 94. Southeast wind around 5 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny and hot, with a high near 97. Heat index values as high as 103. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 97 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 71. North wind around 6 mph becoming light and variable. Chance of precipitation is 100%.

    Low: 71 °F

    T-storms
    Likely then
    Heavy Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. High near 81. Northwest wind around 6 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Thursday Night

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

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 94. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 75. South wind 5 to 7 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny and hot, with a high near 97. Heat index values as high as 103. South wind 7 to 9 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. Some of the storms could produce heavy rainfall. Low around 71. North wind around 6 mph becoming light and variable. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. High near 81. Northwest wind around 6 mph. Chance of precipitation is 80%.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 68.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
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 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spanish Lake MO
 38.8°N 90.2°W (Elev. 499 ft)
Last Update:
7:46 am CDT Sep 8, 2026
Forecast Valid:
11am 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