Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

63°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 4:35 am CDT
Extended Forecast for

West Alton MO

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming north 5 to 9 mph in the morning.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. East wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90. South wind 3 to 8 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming north 5 to 9 mph in the morning.
Tonight
Mostly clear, with a low around 63. North wind 5 to 8 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 90. South wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
West Alton MO
 38.86°N 90.22°W (Elev. 427 ft)
4:31 am CDT Aug 27, 2026
5am CDT Aug 27, 2026-6pm CDT Sep 2, 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