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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Nephi Municipal Airport (KU14)

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

Clear

61°F

16°C

Humidity 44%
Wind Speed S 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Sep 09:35 AM MDT
Extended Forecast for

Mona UTSimilar City Names

  • Today

    Today: Sunny, with a high near 81. South wind 3 to 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Light and variable wind becoming south southeast around 6 mph in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. South wind around 6 mph. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming south southeast in the evening. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 78. South southeast wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. South wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 48. Light and variable wind becoming south southeast around 6 mph in the evening.
Friday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. South wind around 6 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming south southeast in the evening. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 78. South southeast wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Mona UTSimilar City Names
 39.82°N 111.86°W (Elev. 4902 ft)
Last Update:
3:05 am MDT Sep 18, 2025
Forecast Valid:
9am MDT Sep 18, 2025-6pm MDT Sep 24, 2025
 
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Additional Resources

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Chance of Precipitation