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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.


For more information from NOAA/s National Weather Service visit...

For information on potential road travel impacts visit...

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1046 AM MDT Tue Mar 20 2018

Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1046 AM MDT Tue Mar 20 2018

This hazardous weather outlook is for northeast and north central

.DAY ONE...Today and Tonight

Light snow showers will continue off and on in the mountains, with
a couple inches of accumulation mainly above 9500 feet. Slick
travel conditions can be anticipated over the higher mountain

On the plains, it will be dry and breezy, and a warming trend will
begin with highs pushing into the lower to mid 50s today.

Strong west/northwest flow aloft across the state will produce the
mountain snow showers and breezy conditions.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.


Spotter activation will not be needed today or tonight.


Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
443 AM MDT Tue Mar 20 2018

Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide-
Northwest San Juan Mountains-Southwest San Juan Mountains-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
443 AM MDT Tue Mar 20 2018

This hazardous weather outlook is for eastern Utah and western

.DAY ONE...Today and Tonight

Snow will linger across Colorado`s northern and central mountains
today and tonight bringing an additional 1 to 3 inches of snow.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The next chance for significant accumulating snow arrives
Wednesday night and could potentially bring prolonged periods of
rain and snow to the area into Friday.


Spotter activation will not be needed.


Hazardous Weather Outlook
National Weather Service Cheyenne WY
409 AM MDT Tue Mar 20 2018

Sierra Madre Range-Snowy Range-
409 AM MDT Tue Mar 20 2018

This hazardous weather outlook is for portions of south central


Scattered snow showers can be expected in the higher elevations of
the Sierra Madre and Snowy Ranges today. Snowfall is not expected
to be heavy with generally 1 to 2 inches of new snow expected.
Strong gusty winds today will result in wind chill readings at or
below zero through mid morning today.


Scattered snow showers and isolated thunderstorms are expected
late Thursday into Friday across the mountains of southern
Wyoming. At this time snowfall amounts don`t look to exceed a few
inches in the mountains.

.Spotter information statement...

Spotter activation will not be needed.


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NOAA National Weather Service
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Silver Spring, MD 20910
Page last modified: June 2, 2009
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