Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.06 in (1017.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 3:53 am CDT
Extended Forecast for

2 Miles S Sappington MO

  • Today

    Today: Patchy fog before 9am.  Otherwise, increasing clouds, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Decreasing
    Clouds

  • Monday

    Monday: Increasing clouds, with a high near 82. Light east wind.

    High: 82 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Light southeast wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the morning.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
Monday
Increasing clouds, with a high near 82. Light east wind.
Monday Night
Partly cloudy, with a low around 65. Light southeast wind.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Sappington MO
 38.49°N 90.38°W (Elev. 584 ft)
1:26 am CDT Aug 23, 2026
4am CDT Aug 23, 2026-6pm CDT Aug 29, 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