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Nibley, UT Weather Forecast

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Clear

52°F

Updated	4:05 am
Feels Like	55°F
Humidity	71%
Wind	ENE 6 mph
Barometer	29.85 in
Dew Point	43°F

Clear

11°C

Updated	4:05 am
Feels Like	13°C
Humidity	71%
Wind	ENE 10 km/h
Barometer	101 kPa
Dew Point	6°C

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Cloud Cover	3%
uv UV Index	8
Sunrise	7:06 AM
Sunset	7:40 PM
Moonrise	9:58 AM
Moonset	8:36 PM

Civil Twilight
6:35 AM to 7:03 AM
7:40 PM to 8:08 PM
Nibley UT Weather - Waxing Crescent Moon

Waxing Crescent Moon

Nibley Weather Forecast

TODAY	TONIGHT	MONDAY	MONDAY NIGHT	TUESDAY	TUESDAY NIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT

Sunny	Mostly Clear	Sunny	Mostly Clear	Sunny	Mostly Clear	Sunny	Chance of Showers	Chance of T-Storm	Partly Cloudy	Clear	Clear
Hi: 85°FHi: 29°C	Lo: 40°FLo: 4°C	Hi: 71°FHi: 22°C	Lo: 35°FLo: 2°C	Hi: 80°FHi: 27°C	Lo: 41°FLo: 5°C	Hi: 81°FHi: 27°C	Lo: 40°FLo: 4°C	Hi: 79°FHi: 26°C	Lo: 40°FLo: 4°C	Hi: 80°FHi: 27°C Lo: 40°FLo: 4°C	Hi: 80°FHi: 27°C Lo: 40°FLo: 4°C
							POP: 30%	POP: 30%

POP = Probability of Precipitation.

Weather Outlook Updated: 1240 AM MDT Sun Sep 13 2026 Nibley, UT Weather - WeatherWorld.com

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Issued: 241 AM MDT Sun Sep 13 2026

Key Messages

.KEY MESSAGES, Issued 1005 PM MDT Sat Sep 12 2026...

An isolated flash flood threat will persist over southeast Utah to start the week as monsoon moisture lingers.
Breezy winds will develop once again on Sunday ahead of an approaching cold front, bringing wind gusts to 40 mph to portions of western Utah as well as Uinta county, Wyoming.
The front will move through the northwestern half of the forecast area late Sunday into Monday, bringing noticeably cooler and drier conditions behin...

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Weather 101: Term of the Day

Serial Derecho

Type of derecho that consists of an extensive squall line which is oriented such that the angle between the mean wind direction and the squall line axis is small. A series of LEWPs and bow echoes move along the line. The downburst activity is associated with the LEWPs and bows. A Serial Derecho tends to be more frequent toward the north end of the line during the late winter and spring months. It occurs less frequently than its cousin the "progressive derecho." It is associated with a linear type mesoscale convective system that moves along and in advance of a cold front or dry line. These boundaries are often associated with a strong, migratory surface low pressure system and strong short wave trough at 500 mb (strong dynamic forcing). Lifted Indices are typically -6 or lower and the advection of dry air in the mid-troposphere (3-7 km above ground) by relatively strong winds leads to high convective instability and increased downdraft potential. The bow echoes move along the line in the direction of the mean flow, often southwest to northeast. These storms move at speeds exceeding 35 knots. Squall line movement is often less than 30 knots.