textproduct: Salt Lake City
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Dry conditions will continue area-wide through at least Wednesday afternoon.
DISCUSSION
A weak shortwave trough embedded in deep northwest flow will continue to bring occasional flurries to northern Utah through this afternoon. This will be the last chance for precipitation through at least Wednesday afternoon.
The northern stream will remain quite active to the north of the region through Tuesday, but given the continental nature of these shortwave troughs, precipitation will be limited and remain well to our north. What these shortwave troughs will do however is reinforce relatively cold mid-level temperatures. This will limit the intensity and duration of inversion conditions. Current NBM suggests less than 10% chance of widespread haze development through Wednesday (haze being defined by surface visibility 6SM or less).
By Wednesday, the upper level ridge will begin to shift east and then flatten...potentially allowing a series of deeper, Pacific origin shortwave troughs to impact the West. There is quite a broad spread in the guidance, with around a 25% chance of measurable precipitation across the Wasatch Front between Thursday and Saturday, around 5-10% for the Cedar City and St. George area. The northern mountains have a better chance, with around 50% chance of measurable precipitation in this window increasing to around 70% near the Idaho/Utah border (Bear River Range).
Needless to say, no real weather impacts in the forecast outside the potential for fog development for the Cache Valley and other fog prone areas early this week. Utah DEQ is forecasting Salt Lake, Davis and Utah Counties to shift to yellow/moderate conditions Monday into Tuesday.
REST OF UTAH AND SOUTHWEST WYOMING
VFR conditions will prevail through the forecast period for all of Utah and southwest Wyoming. North to northwesterly flow across much of the region will subside through the evening, with light terrain driven flows returning after around 02-03Z.
SLC WATCHES/WARNINGS/ADVISORIES
UT...None. WY...None.
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