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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Nephi Municipal Airport (KU14)

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

Partly Cloudy

68°F

20°C

Humidity 56%
Wind Speed SW 9 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 08:15 AM MDT
Extended Forecast for

Santaquin UT

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 88. Southwest wind 5 to 13 mph. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 81. Light and variable wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 81. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 88. Southwest wind 5 to 13 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 81. Light and variable wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 81. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Santaquin UT
 39.97°N 111.77°W (Elev. 5233 ft)
Last Update:
12:31 am MDT Aug 28, 2026
Forecast Valid:
8am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
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