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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

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

NA

81°F

27°C

Humidity 28%
Wind Speed SSE 18 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 09:35 AM MDT
Extended Forecast for

Magna UT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. South southeast wind around 11 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. South wind 8 to 14 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. South southeast wind 10 to 14 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. South southeast wind 9 to 11 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southeast wind 10 to 13 mph.

    High: 91 °F

    Sunny

  • Sunday Night

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

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

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

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. South southeast wind around 11 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. South wind 8 to 14 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. South southeast wind 10 to 14 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. South southeast wind 9 to 11 mph.
Sunday
Sunny, with a high near 91. South southeast wind 10 to 13 mph.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Magna UT
 40.69°N 112.07°W (Elev. 4413 ft)
Last Update:
3:06 am MDT Aug 15, 2025
Forecast Valid:
10am MDT Aug 15, 2025-6pm MDT Aug 21, 2025
 
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Additional Resources

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Chance of Precipitation