Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

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 N 12 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Aug 04:15 PM MDT
Extended Forecast for

Santaquin UT

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Partly sunny, with a high near 92. West southwest wind around 6 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 62. North northeast wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 62 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Isolated showers and thunderstorms after noon.  Mostly sunny, with a high near 95. Light and variable wind becoming south southwest 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Isolated
    T-storms

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 66. South southeast wind around 8 mph.  Chance of precipitation is 10%.

    Low: 66 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Isolated showers and thunderstorms after noon.  Partly sunny, with a high near 91. Southeast wind 6 to 11 mph becoming southwest in the afternoon.  Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Scattered
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Partly sunny, with a high near 92. West southwest wind around 6 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 62. North northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Thursday
Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 95. Light and variable wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 66. South southeast wind around 8 mph. Chance of precipitation is 10%.
Friday
Isolated showers and thunderstorms after noon. Partly sunny, with a high near 91. Southeast wind 6 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 85. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 55.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Santaquin UT
 39.96°N 111.8°W (Elev. 4997 ft)
12:31 pm MDT Aug 26, 2026
5pm MDT Aug 26, 2026-6pm MDT Sep 2, 2026
 
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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