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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
729 PM MDT Tue Mar 20 2018

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-
729 PM MDT Tue Mar 20 2018

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

.DAY ONE...Tonight

Mainly dry conditions with above normal temperatures will prevail
across the outlook area tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Moisture working into Utah from the west will bring showers to
mainly far northern Utah and southwest Wyoming Wednesday. Breezy
south winds will develop during the afternoon and continue
Wednesday night across much of western Utah.

A developing storm system along the west coast will generate an
extended period of valley rain and mountain snow beginning
Thursday. Widespread valley rain and mountain snows will exist
Thursday evening and continue through most of the day Friday.

Persistent moderate to occasionally heavy rain is possible across
extreme southwest Utah late Thursday through Friday morning.
Significant increases in river flows are possible, though river
flooding is not expected at this time.

After a break in precipitation late Friday through Friday night,
a weaker and colder storm system will work its way across the
region Saturday into Sunday.


Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.


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