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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
424 AM MDT Thu Jun 4 2020

Cache Valley/Utah Portion-Northern Wasatch Front-
Salt Lake and Tooele Valleys-Southern Wasatch Front-
Great Salt Lake Desert and Mountains-Wasatch Mountain Valleys-
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-Wasatch Plateau/Book Cliffs-
Western Uinta Basin-Castle Country-San Rafael Swell-
Sanpete/Sevier Valleys-West Central Utah-Southwest Utah-
Utahs Dixie and Zion National Park-South Central Utah-
Glen Canyon Recreation Area/Lake Powell-Central Mountains-
Southern Mountains-Southwest Wyoming-
424 AM MDT Thu Jun 4 2020

This Hazardous Weather Outlook is for the western two thirds of
Utah and southwest Wyoming.

.DAY ONE...Today and Tonight

Isolated dry thunderstorms are expected today, primarily over
mountain locations.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Critical fire weather conditions due to gusty south winds and low
relative humidities are possible Friday afternoon and evening.

With increasing moisture and an approaching trough of low
pressure, there will be a chance for late afternoon and evening
thunderstorms on Friday. The stronger storms may produce gusty
winds, small hail, and heavy rain.

As the trough of low pressure crosses the region, showers and
thunderstorms will be likely over much of the forecast area Friday
night and Saturday, with a few storms capable of producing heavy

A second storm system will will bring another round of
precipitation to southwest Wyoming and the northern and central
portions of Utah Sunday into Monday, with snow possible for the
mountains and mountain valleys.


Spotter activation may be needed. Please relay any information
about observed severe weather to the NWS while following all
local, state, and CDC guidelines.


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