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Harmonica Lake, UT Weather Forecast

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Clear

29°F

Updated	4:53 am
Feels Like	33°F
Humidity	100%
Wind	N 0 mph
Barometer	30.34 in
Dew Point	29°F

Clear

-2°C

Updated	4:53 am
Feels Like	0°C
Humidity	100%
Wind	N 0 km/h
Barometer	102.7 kPa
Dew Point	-2°C

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Cloud Cover	0%
Wind Chill	29°F -2°C
Sunrise	7:02 AM
Sunset	5:18 PM
Moonrise	6:35 AM
Moonset	4:38 PM

Civil Twilight
6:30 AM to 6:58 AM
5:16 PM to 5:45 PM
Harmonica Lake UT Weather - New Moon

New Moon

Harmonica Lake Weather Forecast

TODAY	TONIGHT	MONDAY	MONDAY NIGHT	TUESDAY	TUESDAY NIGHT	VETERANS DAY	THURSDAY	FRIDAY	SATURDAY

Sunny	Mostly Clear	Partly Cloudy	Partly Cloudy	Clearing	Mostly Clear	Mostly Clear	Mostly Clear	Partly Cloudy	Partly Cloudy
Hi: 51°FHi: 11°C	Lo: 35°FLo: 2°C	Hi: 55°FHi: 13°C	Lo: 35°FLo: 2°C	Hi: 50°FHi: 10°C	Lo: 31°FLo: -1°C	Hi: 50°FHi: 10°C Lo: 31°FLo: -1°C	Hi: 50°FHi: 10°C Lo: 31°FLo: -1°C	Hi: 45°FHi: 7°C Lo: 31°FLo: -1°C	Hi: 45°FHi: 7°C Lo: 31°FLo: -1°C

POP = Probability of Precipitation.

Weather Outlook Updated: 215 AM MST Sun Nov 08 2026 Harmonica Lake, UT Weather - WeatherWorld.com

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Instant definitions for any meteorological term.

Issued: 416 AM MST Sun Nov 8 2026

Key Messages

.KEY MESSAGES, Issued 1005 PM MST Sat Nov 7 2026...

Patchy fog is expected to develop tonight in prone areas such as the Cache Valley.
Conditions remain dry and mild areawide through a majority of the week, with the next chance for precipitation arriving next weekend.

Discussion

, Issued 1005 PM MST Sat Nov 7 2026... With clear skies in place across the region, patchy fog is expected to develop in fog prone areas such as the Cache Valley. Fog will dissipate through Sunday morning, with...

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Weather 101: Term of the Day

Dry Line

A boundary separating moist and dry air masses, and an important factor in severe weather frequency in the Great Plains. It typically lies north-south across the central and southern high Plains states during the spring and early summer, where it separates moist air from the Gulf of Mexico (to the east) and dry desert air from the southwestern states (to the west). The dry line typically advances eastward during the afternoon and retreats westward at night. However, a strong storm system can sweep the dry line eastward into the Mississippi Valley, or even further east, regardless of the time of day. A typical dry line passage results in a sharp drop in humidity (hence the name), clearing skies, and a wind shift from south or southeasterly to west or southwesterly. (Blowing dust and rising temperatures also may follow, especially if the dry line passes during the daytime. These changes occur in reverse order when the dry line retreats westward. Severe and sometimes tornadic thunderstorms often develop along a dry line or in the moist air just to the east of it, especially when it begins moving eastward.