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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Cheyenne WY
156 PM MDT Thu Jun 17 2021

WYZ101-104-105-109>111-113-115-182000-
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Upper North Platte River Basin-
Laramie Valley-
156 PM MDT Thu Jun 17 2021

This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Elevated fire weather conditions with gusty winds and low humidity
values for quick fire growth.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Elevated fire weather conditions with gusty winds and low humidity
values for quick fire growth Saturday and again Tuesday through
Wednesday.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
156 PM MDT Thu Jun 17 2021

WYZ103-106-112-114-116-117-182000-
North Laramie Range-
Central Laramie Range and Southwest Platte County-
Sierra Madre Range-Snowy Range-South Laramie Range-
South Laramie Range Foothills-
156 PM MDT Thu Jun 17 2021

This hazardous weather outlook is for portions of south central
Wyoming and southeast Wyoming.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Red Flag Warning for critical fire weather conditions is in effect
through 7 PM MDT today. Gusty winds up to 30 mph and low humidity
into single digits will promote extreme fire growth.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Elevated to critical fire weather conditions possible Saturday
and again Tuesday through Wednesday.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
156 PM MDT Thu Jun 17 2021

NEZ002-003-019>021-054-055-095-096-WYZ102-107-108-118-119-182000-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-Niobrara County-
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
156 PM MDT Thu Jun 17 2021

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming and southeast Wyoming.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Afternoon and evening chances of showers and thunderstorms some on
the strong side with gusty winds and small hail.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Near daily chances for showers and thunderstorm activity in the
afternoon and evening hours. Storms on Saturday will be on the
strong to severe side particularly.

.Spotter information statement...

Spotters encouraged to report any thunderstorm wind damage and
hail.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
900 PM MDT Thu Jun 17 2021

WYZ001>020-022>030-181200-
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-
900 PM MDT Thu Jun 17 2021

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Tonight.

Dry air and breezy conditions continue to cause elevated fire
weather conditions throughout much of the forecast area.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday and Saturday...Near record high temperatures continue.
Elevated fire weather conditions also continue for much of the
area, especially over central and southern portions.

Sunday...A storm system from western Canada will slide southeast
through Wyoming, primarily east of the divide, bringing cooler air
and likely some decent precipitation.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions.

$$

McDonald

Hazardous Weather Outlook
National Weather Service North Platte NE
833 PM CDT Thu Jun 17 2021

NEZ004>010-022>029-035>038-056>059-069>071-094-190145-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
833 PM CDT Thu Jun 17 2021 /733 PM MDT Thu Jun 17 2021/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TONIGHT.

Isolated thunderstorms remain possible this evening across
southwest Nebraska, with thunderstorms also possible overnight
across north central Nebraska. The potential for severe storms is
low.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

There are additional thunderstorm chances Saturday through Sunday
night. At this time, the threat for severe storms remains
uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

$$

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1034 AM MDT Thu Jun 17 2021

COZ030>051-181645-
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-
1034 AM MDT Thu Jun 17 2021

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Hot and mainly dry weather will persist again today with highs
around 100 on the plains. Isolated showers and thunderstorms are
expected to develop over the high terrain in the afternoon and
move east and southeast over the plains into the evening hours,
producing mainly gusty winds up to 45 mph.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A cool front will bring some relief to the heat on Friday and
Saturday with temperatures dropping to around 90 on the plains. It
will only be slightly cooler in the mountains. Scattered
afternoon thunderstorms are expected in and near the mountains,
with isolated late day storms on the plains. Some of the stronger
storms may produce brief heavy rain, gusty winds, and hail. A
cold front will bring cooler temperatures and a better chance of
rain late Sunday or Monday. Then we`ll warm right back up again
with highs back into the 90s on the plains by the middle of next
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
447 AM MDT Thu Jun 17 2021

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-181300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foot Hills-Rapid City-
Southern Foot Hills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Fall River-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
447 AM MDT Thu Jun 17 2021 /547 AM CDT Thu Jun 17 2021/

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

Isolated thunderstorms will occur over far southern South Dakota
late tonight, but severe storms are not expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Isolated thunderstorms will occur again Friday afternoon and
evening, but severe storms are not expected.

Scattered thunderstorms are expected for most of the area Saturday
and Sunday, and some severe storms are possible on Saturday.

A cold front will bring strong northwest winds to the area on
Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Bunkers

Hazardous Weather Outlook
National Weather Service Grand Junction CO
439 AM MDT Thu Jun 17 2021

COZ001>014-017>023-UTZ022>025-027>029-181045-
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-
439 AM MDT Thu Jun 17 2021

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

.DAY ONE...Today and Tonight

Excessive heat warnings are in effect through the end of the week
as high temperatures will break records across the forecast area.
Isolated storms are possible this afternoon over mainly the
southern mountains with gusty winds and lightning the primary
concerns.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Triple digits will continue across many lower elevations with
record highs being met or exceeded through Friday. Precipitation
chances will slowly increase Friday afternoon and continue into
Saturday with late-day storms mainly over the higher terrain,
with the best focus across the south. Gusty winds and lightning
appear the main concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

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
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