Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Nephi Municipal Airport (KU14)

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

Partly Cloudy

79°F

26°C

Humidity 36%
Wind Speed SSE 10 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Jul 04:35 AM MDT
Extended Forecast for

Nephi UT

Heat Advisory July 27, 05:03am until July 27, 06:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 27, 05:03am until July 27, 06:00am

    NOW until 6:00am Mon

    Heat Advisory

  • Overnight

    Low: 74 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 97. South wind 7 to 10 mph becoming west southwest in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 70. Southwest wind 5 to 9 mph becoming east northeast in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. East southeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. West southwest wind 6 to 9 mph becoming east southeast after midnight.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 97.

    High: 97 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 74. East wind around 7 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 97. South wind 7 to 10 mph becoming west southwest in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 70. Southwest wind 5 to 9 mph becoming east northeast in the evening.
Tuesday
Sunny, with a high near 97. East southeast wind 6 to 9 mph becoming west southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. West southwest wind 6 to 9 mph becoming east southeast after midnight.
Wednesday
Mostly sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny and hot, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
Nephi UT
 39.72°N 111.82°W (Elev. 5197 ft)
12:31 am MDT Jul 27, 2026
5am MDT Jul 27, 2026-6pm MDT Aug 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database