004
FXUS65 KSLC 302023
AFDSLC

Area Forecast Discussion
National Weather Service Salt Lake City UT
223 PM MDT Sat Aug 30 2025

.SYNOPSIS...A warming and drying trend will bring a beautiful
summer Labor Day Weekend to the Beehive State. Moisture will begin
to creep into southern Utah by midweek.

&&

.SHORT TERM (Through 12Z Monday)...Not a lot to say for the short
term forecast period. High pressure will continue to shift into
the region. North to northwest flow will continue to advect mid-
level smoke from upstream wildfires into the region through the
next 24 hours. This will bring hazy conditions to at least
northern Utah.

Other than smoke, no impacts to sensible weather. Temperatures
will increase around 3-5 degrees in many locations by Sunday.

.LONG TERM (After 12Z Monday), Issued 418 AM MDT... Largely
quiescent conditions will be in place across the forecast area to
start the long-term period on Monday, with highs near normal as
strong high pressure resides over the region.

While the synoptic pattern will be mostly unchanged through the
week, a shortwave passing well to our west may help draw moisture
into southwestern Utah as early as Tuesday, resulting in isolated
to scattered thunderstorms capable of producing gusty outflow
winds. Model guidance is still struggling with the spatial extent
of this modest surge of moisture, with the most likely scenario
being a slow increase in the coverage of showers and thunderstorms
into eastern and central Utah through the week. Deterministic
solutions suggest PWATs reach around 100-120% of normal by
Wednesday across roughly the southwestern quarter of Utah, with
potentially more moisture arriving as we head into the weekend.

&&

.AVIATION...KSLC...The SLC terminal will see VFR conditions through
the evening with mostly clear skies. Northwest winds are expected to
shift to the southeast between 03Z and 05Z.

.REST OF UTAH AND SOUTHWEST WYOMING...The airspace will see VFR
conditions through the evening with some scattered cumulus over the
higher terrain through the early evening. Winds will be generally
light and diurnally driven.

&&

.FIRE WEATHER...With high pressure in place across the region, a
warming and drying trend is expected through Labor Day. By
midweek, mid- level moisture will begin to increase, with the
attendant high- based convection threat. By Friday, thunderstorms
may trend wet across southern Utah.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...None.
WY...None.
&&

$$

Kruse/Traphagan/Cunningham

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