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

Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Manti-Ephraim Airport (K41U)

Lat: 39.33133°NLon: 111.61273°WElev: 5500.0ft.

Clear

86°F

30°C

Humidity 23%
Wind Speed SSW 12 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Aug 02:35 PM MDT
Extended Forecast for

Ephraim UT

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 93. South southwest wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 93 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 59 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Isolated showers between 9am and noon, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 90. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Chance of precipitation is 30%.

    High: 90 °F

    Isolated
    Showers then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly cloudy, with a low around 57. South wind 8 to 13 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 85. South wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    High: 85 °F

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely then
    Scattered
    T-storms

  • Sunday Night

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

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 93. South southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Friday
Isolated showers between 9am and noon, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 90. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Chance of precipitation is 30%.
Friday Night
Isolated showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly cloudy, with a low around 57. South wind 8 to 13 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. Mostly cloudy, with a high near 85. South wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Monday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Ephraim UT
 39.36°N 111.59°W (Elev. 5564 ft)
Last Update:
12:31 pm MDT Aug 27, 2026
Forecast Valid:
2pm MDT Aug 27, 2026-6pm MDT Sep 2, 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