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Office: SLC FLUS45 KSLC 172349 HWOSLC Hazardous Weather Outlook National Weather Service Salt Lake City UT 449 PM MST Sat Feb 17 2018 UTZ001>016-019>021-517-518-WYZ021-181400- 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- 449 PM MST Sat Feb 17 2018 This Hazardous Weather Outlook is for the western two thirds of Utah and southwest Wyoming. .DAY ONE...Tonight Snow will begin across the northern outlook area late tonight. .DAYS TWO THROUGH SEVEN...Sunday through Friday Widespread heavy snow and much colder temperatures will spread across the outlook area from north to south on Sunday. The cold front could bring near whiteout conditions to the mountain passes in heavy snow and strong winds for a few hours as it moves south on Sunday. The snow will slowly taper off from the north Sunday night through Monday afternoon but will last in some areas through Monday evening. The snow could continue into Tuesday across mountainous locations favored in northwest flow, as well as locations downwind of the Great Salt Lake and Utah lake. Strong south winds are expected ahead of this storm on Sunday across central and southern Utah. The very cold temperatures that spread into the outlook area Sunday through Sunday night will continue through Tuesday night into Wednesday. At this time it looks like Wednesday morning will be the coldest in this stretch with lows ranging from the low teens to below zero. Any plants or trees that have starting budding out will be affected by this cold snap. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. $$ For more information from NOAA/s National Weather Service visit... For information on potential road travel impacts visit...