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

90°F

32°C

Humidity 18%
Wind Speed NE 13 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 26 Aug 06:15 PM MDT
Extended Forecast for

Fountain Green UT

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 56. West northwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 56 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Isolated showers and thunderstorms after noon.  Mostly sunny, with a high near 93. Light and variable wind becoming west southwest 5 to 10 mph in the morning.  Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Isolated
    T-storms

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 58. South southwest wind 5 to 10 mph becoming east after midnight.  Chance of precipitation is 10%.

    Low: 58 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms after noon.  Partly sunny, with a high near 90. East wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers and thunderstorms.  Mostly cloudy, with a low around 55. South southeast wind 5 to 14 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Isolated
    T-storms then
    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 49. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °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.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 56. West northwest 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 93. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 58. South southwest wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 10%.
Friday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 90. East wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Isolated showers and thunderstorms. Mostly cloudy, with a low around 55. South southeast wind 5 to 14 mph. Chance of precipitation is 20%.
Saturday
Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 49. 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.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Monday
A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Fountain Green UT
 39.62°N 111.63°W (Elev. 5853 ft)
12:31 pm MDT Aug 26, 2026
6pm MDT Aug 26, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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