weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Salt Lake City UT
418 PM MDT Tue May 18 2021

UTZ101>131-WYZ021-191300-
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley-
Utah Valley-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Wasatch Mountains I-80 North-
Wasatch Mountains South of I-80-Western Uinta Mountains-
Wasatch Plateau/Book Cliffs-Western Uinta Basin-
Western Millard and Juab Counties-Eastern Juab/Millard Counties-
Central Mountains-Sanpete Valley-Sevier Valley-Castle Country-
San Rafael Swell-Southwest Utah-Lower Washington County-
Zion National Park-Southern Mountains-Upper Sevier River Valleys-
Bryce Canyon Country-South Central Utah-
Capitol Reef National Park and Vicinity-Western Canyonlands-
Glen Canyon Recreation Area/Lake Powell-Southwest Wyoming-
418 PM MDT Tue May 18 2021

This Hazardous Weather Outlook is for portions of central Utah...
northern Utah...southern Utah...southwest Utah and southwest
Wyoming.

.DAY ONE...Tonight

No hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Mid level moisture will increase Wednesday across northern Utah
Wednesday resulting in a threat for high based showers and
thunderstorms capable of producing strong microburst winds.

Southwesterly winds are expected to begin to increase Wednesday
and continue through Friday which will result in hazardous fire
weather conditions across southern Utah where fuels are dry.

These winds will strengthen Thursday with windy to very windy
conditions expected across central and southern Utah. A High Wind
Watch is in effect for western Millard and Juab counties as well
as southwest Utah. These winds may cause areas of blowing dust
and choppy conditions on area waterways. There is a potential for
similar conditions to linger into at least Saturday.

.SPOTTER INFORMATION STATEMENT...

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

$$

For more information from NOAA/s National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential road travel impacts visit...
http://www.udottraffic.utah.gov/roadweatherforecast.aspx

Hazardous Weather Outlook
National Weather Service Elko NV
227 PM PDT Tue May 18 2021

NVZ030-031-033>041-191200-
Humboldt County-Northern Elko County-Southeastern Elko County-
Ruby Mountains and East Humboldt Range-White Pine County-
Northern Lander County and Northern Eureka County-
Southern Lander County and Southern Eureka County-
Southwest Elko County-South Central Elko County-
Northwestern Nye County-Northeastern Nye County-
227 PM PDT Tue May 18 2021

This hazardous weather outlook is for portions of eastern
Nevada...north central Nevada...northeast Nevada...northwest
Nevada and south central Nevada.

.DAY ONE...Tonight and Wednesday.

Gusty westerly winds are expected across northern and central NV
on Wednesday. Most areas can expect sustained winds of 15 to
25 mph, with gusts in the 30 to 45 mph range during the afternoon
and early evening hours.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A cold front will pass from NW to SE across the region on
Thursday. Much cooler air is expected Thursday night through
Saturday, along with periods of rain and or snow. At this time
snow accumulation is not expected on any roadways, including
summits, however most valley locations could see snow showers,
especially during the morning hours on Friday and again on
Saturday, with light snow accumulation on grass and dirt surfaces
possible. Many of the mountain areas across northern and portions
of central NV will see moderate snowfall.


.SPOTTER INFORMATION STATEMENT...

Spotters are asked to report weather phenomena according to
standard operating procedure.

$$

Hazardous Weather Outlook
National Weather Service Grand Junction CO
447 AM MDT Tue May 18 2021

COZ001>014-017>023-UTZ022>025-027>029-191100-
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-
447 AM MDT Tue May 18 2021

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

Thunderstorm development will be possible over much of the
Colorado High County and adjacent valleys today...with a few
isolated storms possible in the lower valleys. Gusty outflow
winds...and small hail will be the main threats. Snowfall is
likely to fall near pass level through the morning rising to near
treeline this afternoon. Roadways this morning could be slushy to
snowpacked over the passes...with mainly wet roads expected this
afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Afternoon thunderstorm development will be possible over portions
of the eastern Utah and western Colorado through the remainder of
the week. Critical fire weather conditions could become widespread
by Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
304 AM MDT Tue May 18 2021

WYZ001>020-022>030-190915-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
304 AM MDT Tue May 18 2021

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Very isolated late day thunderstorms in and near the mountains.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday...Afternoon thunderstorms possible across much of the
area, with the most numerous in the northwest.

Thursday...A good chance of thunderstorms across the northern half
of the area, some storms could be strong to severe. Strong winds
and elevated fire weather possible across southern Wyoming in the
afternoon.

Friday and Saturday...Widespread afternoon and evening
thunderstorms across the area. Some storms could be strong.


.SPOTTER INFORMATION STATEMENT...

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

$$

Hazardous Weather Outlook
National Weather Service Albuquerque NM
254 AM MDT Tue May 18 2021

NMZ201>241-191115-
Northwest Plateau-Chuska Mountains-Far Northwest Highlands-
Northwest Highlands-West Central Plateau-West Central Mountains-
West Central Highlands-Southwest Mountains-
San Francisco River Valley-Tusas Mountains Including Chama-
Jemez Mountains-Glorieta Mesa Including Glorieta Pass-
Northern Sangre de Cristo Mountains-
Southern Sangre de Cristo Mountains-
East Slopes Sangre de Cristo Mountains-Upper Rio Grande Valley-
Espanola Valley-Santa Fe Metro Area-
Middle Rio Grande Valley/Albuquerque Metro Area-
Lower Rio Grande Valley-Sandia/Manzano Mountains Including Edgewood-
Estancia Valley-Central Highlands-South Central Highlands-
Upper Tularosa Valley-South Central Mountains-
Johnson and Bartlett Mesas Including Raton Pass-
Far Northeast Highlands-Northeast Highlands-Union County-
Harding County-Eastern San Miguel County-Guadalupe County-
Quay County-Curry County-Roosevelt County-De Baca County-
Chaves County Plains-Eastern Lincoln County-Southwest Chaves County-
San Agustin Plains and Adjacent Lowlands-
254 AM MDT Tue May 18 2021

This hazardous weather outlook is for portions of north and central
New Mexico.

.DAY ONE...Today and Tonight

There is a risk for another round of strong to severe storms
this afternoon and evening across northeast and east central New
Mexico, where strong winds and large hail will be the main threats.
Burn scar flooding near Ute Park is also a possibility.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Rounds of afternoon showers and thunderstorms will continue across
the eastern plains Friday through even Monday. Some storms may become
strong to severe with large hail and damaging winds. Burn scar
flooding is also a possibility.

Meanwhile, drier air and strengthening winds may produce critical
fire weather conditions across western areas of the state beginning
Thursday through the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any wind, hail, and rainfall
amounts through the National Weather Service Albuquerque web site at
weather.gov/abq or by calling 1.888.386.7637. You can also submit
storm reports and photos on our Facebook page or via Twitter using
the hashtag nmwx.

$$

31

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE