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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Nephi Municipal Airport (KU14)

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

Clear

39°F

4°C

Humidity 86%
Wind Speed S 10 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Oct 12:35 AM MDT
Extended Forecast for

Mona UT

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67. South southwest wind 3 to 6 mph.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Calm wind becoming south around 6 mph after midnight.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 3pm. Mostly sunny, with a high near 68. South southeast wind 3 to 7 mph.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Calm wind becoming southeast around 6 mph in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 43. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. South wind around 6 mph.
Sunday
Partly sunny, with a high near 67. South southwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 41. Calm wind becoming south around 6 mph after midnight.
Monday
A 20 percent chance of rain after 3pm. Mostly sunny, with a high near 68. South southeast wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 44. Calm wind becoming southeast around 6 mph in the evening.
Tuesday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 43. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 70.
Wednesday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 45.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 42.
Friday
Rain and possibly a thunderstorm. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain. Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mona UT
 39.82°N 111.86°W (Elev. 4902 ft)
Last Update:
12:31 am MDT Oct 18, 2026
Forecast Valid:
12am MDT Oct 18, 2026-6pm MDT Oct 24, 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