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

84°F

29°C

Humidity 25%
Wind Speed SSW 10 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Aug 11:35 PM MDT
Extended Forecast for

Magna UT

Heat Advisory August 20, 11:51pm until August 22, 07:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 20, 11:51pm until August 22, 07:00am

    NOW until 7:00am Sat

    Heat Advisory

  • Tonight

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 99. South wind 6 to 9 mph becoming northwest in the afternoon.

    High: 99 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. South southeast wind 6 to 9 mph.  Chance of precipitation is 40%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 94. South southeast wind around 7 mph becoming west in the afternoon.  Chance of precipitation is 30%.

    High: 94 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. South southeast wind 5 to 7 mph.  Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 75. South wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 99. South wind 6 to 9 mph becoming northwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 94. South southeast wind around 7 mph becoming west in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 92.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 93.
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:
Magna UT
 40.69°N 112.07°W (Elev. 4413 ft)
9:46 pm MDT Aug 20, 2026
11pm MDT Aug 20, 2026-6pm MDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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National Digital Forecast Database