National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

South Valley Regional Airport (KSVR)

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

Clear

93°F

34°C

Humidity 18%
Wind Speed S 18 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Aug 10:55 AM MDT
Extended Forecast for

Magna UT

Heat Advisory August 20, 12:00pm until August 22, 07:00am
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 101. South southeast wind around 7 mph becoming northwest in the afternoon.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 75. North northwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. South wind around 7 mph becoming west northwest in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 95. Southeast wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 95 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 101. South southeast wind around 7 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 75. North northwest wind 6 to 8 mph becoming south southeast after midnight.
Friday
Mostly sunny and hot, with a high near 100. South wind around 7 mph becoming west northwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 95. Southeast wind 6 to 8 mph becoming west southwest in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Sunday Night
A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 92.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Magna UT
 40.71°N 112.1°W (Elev. 4236 ft)
Last Update:
10:09 am MDT Aug 20, 2026
Forecast Valid:
11am MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation