Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

70°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.97 in (1014.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 3 Aug 10:54 pm CDT
Extended Forecast for

2 Miles WSW Dardenne Prairie MO

  • Tonight

    Tonight: Clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light southeast wind.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Calm wind becoming southeast around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 91. Light south wind.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 70. South wind 3 to 6 mph.  Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm.  Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 65. Calm wind.
Tuesday
Sunny, with a high near 90. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 69. Calm wind becoming southeast around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 91. Light south wind.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. South wind 3 to 6 mph. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Dardenne Prairie MO
 38.74°N 90.77°W (Elev. 545 ft)
10:21 pm CDT Aug 3, 2026
11pm CDT Aug 3, 2026-6pm CDT Aug 10, 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