Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
324 AM MDT Mon May 19 2025
COZ001>014-017>023-UTZ022>025-027>029-200930-
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-
324 AM MDT Mon May 19 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Widespread precipitation will come to an end today, but rain and
snow showers will linger over the central and northern Colorado
mountains. An additional 2-4 inches is possible over the central
ranges, with lesser amounts elsewhere.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Mountain showers will again be possible Tuesday afternoon, however
they will be widely scattered and have limited impact. High pressure
builds in for the second half of the week, bringing warmer and drier
conditions. The desert valleys could see their first 90F day during
this period.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected today or tonight, however
spotters are encouraged to report snowfall amounts to the
National Weather Service in Grand Junction.
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
1211 AM MDT Tue May 20 2025
WYZ101>119-210715-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
1211 AM MDT Tue May 20 2025
This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
Isolated thunderstorms are possible this afternoon and this
evening.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
Showers and thunderstorms will be possible each afternoon from
Thursday through next weekend.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Pueblo CO
857 PM MDT Mon May 19 2025
COZ058>089-093>099-201300-
Western Mosquito Range/East Lake County Above 11000 Feet-
Leadville Vicinity/Lake County Below 11000 Feet-
Eastern Sawatch Mountains Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
Central Chaffee County Below 9000 Feet-
Western Mosquito Range/East Chaffee County Above 9000 Feet-
Saguache County West of Continental Divide Below 10000 Feet-
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
Alamosa Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Northwestern Fremont County Above 8500 Feet-
Western/Central Fremont County Below 8500 Feet-
Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
Crowley County-La Junta Vicinity/Otero County-
Eastern Las Animas County-Western Kiowa County-
Eastern Kiowa County-Las Animas Vicinity/Bent County-
Lamar Vicinity/Prowers County-Springfield Vicinity/Baca County-
857 PM MDT Mon May 19 2025
This hazardous weather outlook is for portions of central...east
central...south central and southeast Colorado.
.DAY ONE...Tonight
Patchy frost will be possible overnight into early Tuesday
morning across northern El Paso County, as skies clear and winds
diminish behind todays passing weather system. Care should be
taken to protect any tender outdoor vegetation across northern El
Paso County.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Isolated late afternoon and evening thunderstorms will be possible
over the eastern plains Thursday and Friday, then slightly better
chances for storms spread across the mountains and plains over
the weekend.
.SPOTTER INFORMATION STATEMENT...
Weather spotters will not be needed tonight.
$$
27/GARBEROGLIO
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1031 AM MDT Mon May 19 2025
COZ030>051-201645-
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
County-
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
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1031 AM MDT Mon May 19 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Scattered showers and just a couple thunderstorms can be expected
across the area this afternoon and early evening. Most precipitation
amounts will be light and no severe storms are anticipated.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Somewhat drier and warmer weather will prevail through the rest
of the week, with mainly isolated coverage of afternoon showers
and thunderstorms. Storm coverage and intensity could see a pickup
by this weekend, but overall the threat of severe storms is
relatively low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
513 AM MDT Mon May 19 2025
WYZ001>020-022>030-201515-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn 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-
513 AM MDT Mon May 19 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT ACROSS THE BIGHORN AND
WIND RIVER RANGES UNTIL 12 AM MDT TUESDAY...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Scattered showers across much of the state especially east of the
Divide throughout the day today. Portions of Johnson and Natrona
Counties may see periods of moderate to heavy rainfall today. Snow is
and will continue to fall across parts of the Wind River and Bighorn
Ranges mainly above 8000 feet. Snow amounts in these locations are
expected to range from 3 to 9 inches. Precipitation will gradually
dissipate through the evening as the system pulls away from the area.
Winds will be gusty at times with periodic gusts of 30 to 40 mph with
stronger gusts in usual wind prone locations.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday and Wednesday...A chance of showers and thunderstorms in
central/northern Wyoming.
Thursday through Sunday...Daily chances for showers and thunderstorms
with the potential for a more impactful system over the weekend.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
