Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Nephi Municipal Airport (KU14)

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

Overcast

57°F

14°C

Humidity 100%
Wind Speed NE 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 30 Aug 05:55 AM MDT
Extended Forecast for

Nephi UT

Flood Watch August 30, 06:28am until August 31, 09:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 30, 06:28am until August 31, 09:00pm

    NOW until 9:00pm Mon

    Flood Watch

  • Today

    High: 80 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 53. West southwest wind around 5 mph becoming light and variable.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Increasing clouds, with a high near 80. East wind 5 to 7 mph becoming south southwest in the afternoon.  Chance of precipitation is 60%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 51. East southeast wind 6 to 8 mph.

    Low: 51 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southeast wind 7 to 10 mph becoming southwest in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 80. East southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 53. West southwest wind around 5 mph becoming light and variable.
Monday
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 80. East wind 5 to 7 mph becoming south southwest in the afternoon. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. East southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 81. Southeast wind 7 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Nephi UT
 39.71°N 111.85°W (Elev. 5092 ft)
12:31 am MDT Aug 30, 2026
6am MDT Aug 30, 2026-6pm MDT Sep 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database