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 locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Salt Lake City, Salt Lake City International Airport (KSLC)

Lat: 40.77069°NLon: 111.96503°WElev: 4226.0ft.

Mostly Cloudy

93°F

34°C

Humidity 14%
Wind Speed S 14 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Aug 03:35 PM MDT
Extended Forecast for

Magna UT

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly cloudy, with a high near 94. South southeast wind around 9 mph. Chance of precipitation is 20%.

    High: 94 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm. Mostly cloudy, with a low around 70. South wind 9 to 13 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 92. South wind 10 to 14 mph. Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Isolated
    T-storms

  • Saturday Night

    Saturday Night: Isolated showers and thunderstorms before 9pm. Mostly clear, with a low around 69. South southeast wind 9 to 11 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. South southeast wind 10 to 13 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °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 96.

    High: 96 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 94. South southeast wind around 9 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 9pm. Mostly cloudy, with a low around 70. South wind 9 to 13 mph. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 92. South wind 10 to 14 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers and thunderstorms before 9pm. Mostly clear, with a low around 69. South southeast wind 9 to 11 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 92. South southeast wind 10 to 13 mph.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Magna UT
 40.71°N 112.1°W (Elev. 4236 ft)
Last Update:
3:05 pm MDT Aug 15, 2025
Forecast Valid:
3pm MDT Aug 15, 2025-6pm MDT Aug 22, 2025
 
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