No Watches or Warnings for Altonah
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Weather Conditions for Altonah, Utah : Duchesne County
Issued: 12:31 pm MDT Sep 16, 2026 Latitude: 40.4013411 Longitude: -110.2937692 View on Google Maps

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Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
80% chance of thunderstorms on Tonight 70% chance of thunderstorms on Thursday 100% chance of thunderstorms on Friday 50% chance of thunderstorms on Saturday Sunny on Sunday Sunny on Monday 10% chance of thunderstorms on Tuesday 10% chance of thunderstorms on Wednesday
Low: 49°F High: 65°F High: 64°F High: 64°F High: 65°F High: 68°F High: 68°F High: 68°F
Low: 47°F Low: 43°F Low: 39°F Low: 41°F Low: 43°F Low: 43°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Thunderstorms Thunderstorms
Current Conditions at
VERNAL - (KVEL)
70°
Clear
as of 5:53 PM MDST
Rel. Humidity: 56%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PRICE - (KPUC)
70°
Cloudy
Thunderstorm
as of 6:19 PM MDST
Rel. Humidity: 64%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
5 MPH
030° Northeast
Cloud Level(s): Broken at 6500ft, Solid Overcast at 8000ft
Current Conditions at
EVANSTON - (KEVW)
70°
Mostly Clear
as of 5:53 PM MDST
Rel. Humidity: 43%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 24 MPH
070° East
Cloud Level(s): Few at 10000ft
Current Conditions at
PROVO - (KPVU)
81°
Partly Cloudy
as of 5:56 PM MDST
Rel. Humidity: 39%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 29 MPH
130° Southeast
Cloud Level(s): Scattered at 7000ft, Scattered at 20000ft
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 49. North northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

70% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

70% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 70%.

100% chance of thunderstorms Friday Friday... Showers and possibly a thunderstorm. High near 64. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

80% chance of thunderstorms Friday Night Friday Night... Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 43. North northwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

50% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 64. Chance of precipitation is 50%.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 39.

Sunny on Sunday Sunday... Sunny, with a high near 65.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 41.

Sunny on Monday Monday... Sunny, with a high near 68.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 43.

10% chance of thunderstorms Tuesday Tuesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 43.

10% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.

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Sun Almanac for Altonah, Utah
Astronomical Sunrise 05:31 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 06:04 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:36 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 07:03 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 12 Hours 25 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 7:28 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 7:56 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 8:28 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 9:01 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 13 Hours 20 Minutes
Nautical Rise to Set: 14 Hours 24 Minutes
Astro Rise to Set: 15 Hours 30 Minutes

Click for yearly Sun Almanac for Altonah
Moon Almanac for Altonah, Utah
Moon Phase: Waxing Crescent
Moon Illumination: 33%
Moon Age: 5.75 Days
Moon is currently above the horizon
Distance from Moon to Earth: 250,534 miles
Upcoming Lunar Events for
Altonah:
Next EventEvent TimeIllum

Moonset:10:08 pm Wed33.3%
Moonrise:02:07 pm Thu39.5%
High Moon:06:30 pm Thu41.2%
Moonset:10:51 pm Thu42.9%
First Quarter:02:43 pm Fri49.2%
New Moon: Thu Sep 10
First Quarter: Fri Sep 18
Full Moon: Sat Sep 26
Last Quarter: Sat Oct 3
New Moon: Sat Oct 10
Click for Monthly Moon Almanac