Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

Lat: 40.6196°NLon: 111.99016°WElev: 4596.0ft.

Clear

77°F

25°C

Humidity 44%
Wind Speed S 13 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Aug 06:35 AM MDT
Extended Forecast for

West Valley UT

Heat Advisory August 21, 06:50am until August 22, 07:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 06:50am until August 22, 07:00am

    NOW until 7:00am Sat

    Heat Advisory

  • Today

    High: 99 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 3am, then isolated showers.  Cloudy, then gradually becoming partly cloudy, with a low around 72. South wind 7 to 9 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms

  • Saturday

    Saturday: Isolated showers and thunderstorms after noon.  Mostly sunny, with a high near 95. South southeast wind 6 to 9 mph.  Chance of precipitation is 20%.

    High: 95 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 70. South southeast wind 5 to 7 mph.  Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South southeast wind 6 to 8 mph becoming west in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Today
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 99. South wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms before 3am, then isolated showers. Cloudy, then gradually becoming partly cloudy, with a low around 72. South wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday
Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 95. South southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 93. South southeast wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 69.
Monday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
West Valley UT
 40.67°N 112°W (Elev. 4432 ft)
12:31 am MDT Aug 21, 2026
6am MDT Aug 21, 2026-6pm MDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database