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

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Nephi Municipal Airport (KU14)

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

Clear

95°F

35°C

Humidity 16%
Wind Speed SSE 2 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 20 Aug 12:35 PM MDT
Extended Forecast for

9 Miles SSE Eureka UT

Heat Advisory until August 21, 07:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 21, 07:00am

    NOW until 7:00am Fri

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind 6 to 8 mph becoming south southeast in the evening.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. South wind 8 to 10 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 84. South wind 6 to 11 mph.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 90. West southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 67. Southwest wind 6 to 8 mph becoming south southeast in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. South wind 8 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 84. South wind 6 to 11 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Eureka UT
 39.82°N 112.1°W (Elev. 6624 ft)
Last Update:
12:31 pm MDT Aug 20, 2026
Forecast Valid:
1pm MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation