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

Nephi Municipal Airport (KU14)

Lat: 39.7386°NLon: 111.8722°WElev: 5022.0ft.

Clear

81°F

27°C

Humidity 30%
Wind Speed S 13 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Aug 10:35 AM MDT
Extended Forecast for

Mona UT

  • Today

    Today: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. South wind around 11 mph.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 51. South southeast wind around 9 mph.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. South wind 7 to 9 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Southwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. South southeast wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. South wind around 11 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 51. South southeast wind around 9 mph.
Sunday
Sunny, with a high near 89. South wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 51. Southwest wind 6 to 8 mph becoming south southeast after midnight.
Monday
Sunny, with a high near 92. South southeast wind 6 to 8 mph becoming west southwest in the afternoon.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 96.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mona UT
 39.82°N 111.86°W (Elev. 4902 ft)
Last Update:
3:05 am MDT Aug 16, 2025
Forecast Valid:
11am MDT Aug 16, 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