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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Spokane WA
500 AM PDT Thu Jul 20 2017

WAZ033>036-041-044-211300-
Washington Palouse-Moses Lake Area-Upper Columbia Basin-
Spokane Area-Wenatchee Area-Waterville Plateau-
500 AM PDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of Central
Washington...East Central Washington...North Central Washington...
Northeast Washington and Southeast Washington.

.DAY ONE...TODAY AND TONIGHT

Breezy afternoon and early evening winds are expected across the
Columbia Basin into the Spokane area and western portions of the
Palouse. Relative humidity values will be low but above critical
values.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

No hazardous weather is expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Spokane WA
500 AM PDT Thu Jul 20 2017

IDZ001-WAZ037-211300-
Northern Panhandle-Northeast Mountains-
500 AM PDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of North Idaho and
Northeast Washington.

.DAY ONE...TODAY AND TONIGHT

Thunderstorms producing lightning and very little precipitation
will exit the region by mid morning.


.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

No hazardous weather is expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
557 AM MDT Thu Jul 20 2017

SDZ013-024>031-041-072>074-WYZ054>058-071-211300-
Northern Meade Co Plains-Northern Black Hills-Northern Foot Hills-
Rapid City-Southern Foot Hills-Central Black Hills-
Southern Black Hills-Custer Co Plains-Pennington Co Plains-
Fall River-Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
557 AM MDT Thu Jul 20 2017

This Hazardous weather outlook is for portions of the Black Hills
of South Dakota...western South Dakota...northeast Wyoming...and
the Black Hills of Wyoming.

.DAY ONE...Today and Tonight

Isolated to scattered showers and thunderstorms will develop late
this afternoon into this evening. Some of these storms will be
strong to severe with large hail and damaging winds possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

After a quiet weekend, an active weather pattern will return
early next week.

.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

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
557 AM MDT Thu Jul 20 2017

SDZ014-032-042>044-046-047-049-211300-
Ziebach-Haakon-Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
557 AM MDT Thu Jul 20 2017 /657 AM CDT Thu Jul 20 2017/

This Hazardous weather outlook is for portions of south central
South Dakota...and western South Dakota.

.DAY ONE...Today and Tonight

Isolated to scattered showers and thunderstorms will move across
the South Dakota plains this evening and overnight. A few storms
will be strong to severe with large hail and damaging winds
possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

After a quiet weekend, an active weather pattern will return
early next week.

.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

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
557 AM MDT Thu Jul 20 2017

SDZ001-002-012-211300-
Harding-Perkins-Butte-
557 AM MDT Thu Jul 20 2017

This Hazardous weather outlook is for portions of western South
Dakota.

.DAY ONE...Today and Tonight

Isolated to scattered showers and thunderstorms will develop late
this afternoon into this evening. Some of these storms will be
strong to severe with large hail and damaging winds possible.

Additionally...the combination of very warm temperatures and
breezy winds will push the grassland fire danger into the very
high category today.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

After a quiet weekend, an active weather pattern will return
early next week.

.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

$$

Hazardous Weather Outlook
National Weather Service Pueblo CO
536 AM MDT Thu Jul 20 2017

COZ058>089-093>099-211200-
Western Mosquito Range/East Lake County Above 11000 Ft-
Leadville Vicinity/Lake County Below 11000 Ft-
Eastern Sawatch Mountains above 11000 Ft-
Western Chaffee County Between 9000 and 11000 Ft-
Central Chaffee County Below 9000 Ft-
Western Mosquito Range/East Chaffee County above 9000Ft-
Saguache County West of Continental Divide Below 10000 Ft-
Saguache County East of Continental Divide below 10000 Ft-
La Garita Mountains Above 10000 Ft-
Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft-
Eastern San Juan Mountains Above 10000 Ft-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft-
Alamosa  Vicinity/Central San Luis Valley Below 8500 Ft-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft-
Northern Sangre de Cristo Mountains above 11000 Ft-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Southern Sangre de Cristo Mountains Above 11000 Ft-
Northwestern Fremont County  Above 8500Ft-
Western/Central Fremont County Below 8500 Ft-
Wet Mountain Valley Below 8500 Ft-
Wet Mountains between 6300 and 10000Ft-
Wet Mountains above 10000 Ft-
Teller County/Rampart Range above 7500fT/Pike`s Peak Between
7500 And 11000 Ft-Pikes Peak above 11000 Ft-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Ft-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Ft-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
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-
536 AM MDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms will be possible over the
higher terrain this afternoon and early evening. The best chance
of storms will be over the central mountains. Locally heavy rain
will once again be possible, and flash flooding in the Chalk
Bluffs region near Mount Princeton will once again be possible.
Isolated thunderstorms will be possible on the plains adjacent to
the mountains late this afternoon and evening. the best chance of
storms will be over the lower elevations of El Paso county. One or
two of the stronger storms will be capable of wind gusts to 50
mph and nickel size hail.

All storms today will produce dangerous cloud to ground lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Scattered afternoon and evening thunderstorms will develop Friday,
mainly over the mountains. The main threats from these storms
will be locally heavy downpours and lightning.

Over the weekend, low level moisture will increase over the plains
and eastern mountains, resulting in better chances for afternoon
and evening thunderstorms. The main threats from these storms will
be locally heavy rain and lightning.

Drier air will move into the region starting Monday. There will
still be enough moisture for afternoon and evening thunderstorms,
mostly over the mountains. The main threats from these storms
will be locally heavy downpours and lightning.

.SPOTTER INFORMATION STATEMENT...

Weather conditions that meet reporting criteria for spotters will be
possible this afternoon and evening in the mountains and adjacent
plains.

$$

34/06

Hazardous Weather Outlook
National Weather Service Bismarck ND
630 AM CDT Thu Jul 20 2017

NDZ001-002-009-010-017-018-031>033-040-041-043-044-211130-
Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Golden Valley-
Billings-Stark-Slope-Hettinger-Bowman-Adams-
630 AM CDT Thu Jul 20 2017 /530 AM MDT Thu Jul 20 2017/

This Hazardous Weather Outlook is for portions of northwest North
Dakota and southwest North Dakota.

.DAY ONE...Today and Tonight

A few strong to severe thunderstorms are possible across western
North Dakota this afternoon and evening. The main threat would be
large hail to the size of quarters and damaging winds to 65 mph.
The threat will be greatest between 2 PM and 6 PM MDT.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed this afternoon and evening.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
630 AM CDT Thu Jul 20 2017

NDZ003>005-011>013-019>023-025-034>037-042-045>048-050-051-211130-
Renville-Bottineau-Rolette-Ward-McHenry-Pierce-Mercer-Oliver-
McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-Stutsman-
Grant-Sioux-Emmons-Logan-La Moure-McIntosh-Dickey-
630 AM CDT Thu Jul 20 2017 /530 AM MDT Thu Jul 20 2017/

This Hazardous Weather Outlook is for portions of north central
North Dakota, south central North Dakota, and southeast North
Dakota.

.DAY ONE...Today and Tonight

A few strong to severe thunderstorms are possible across central
North Dakota tonight. The main threat would be large hail to the
size of quarters and damaging winds to 65 mph. The threat will be
greatest between 7 PM and 11 PM CDT.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Severe thunderstorms are possible across central North Dakota on
Friday afternoon and Friday evening.

.SPOTTER INFORMATION STATEMENT...

Spotters could be needed tonight, and again Friday afternoon and
evening.

$$

PA

Hazardous Weather Outlook
National Weather Service Goodland KS
509 AM MDT Thu Jul 20 2017

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-211645-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
509 AM MDT Thu Jul 20 2017 /609 AM CDT Thu Jul 20 2017/

This hazardous weather outlook is for east central Colorado...
extreme southwest Nebraska and northwest Kansas.

.DAY ONE...TODAY AND TONIGHT...

Afternoon heat index values will range from 102 to 105 east of a
line from Haigler, Nebraska to Hoxie, Kansas. Heat index values
across that area are expected to recover to between 70 and 75 degrees
overnight.

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

High Temperatures and Heat Index values will again range from 100 to
105 across a portion of southwest Nebraska and northwest Kansas
Friday afternoon.

A cold front moving slowly across the region will provide the focus
for scattered thunderstorms moving out of eastern Colorado and into
northwest Kansas and southwest Nebraska from late Friday afternoon
through Friday night. Scattered thunderstorms are expected across
the region again Saturday and Saturday night. Isolated storms may
become severe during the late afternoon and evening hours on Friday
and Saturday with damaging winds and large hail being the main
threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
502 AM MDT Thu Jul 20 2017

NEZ002-003-019>021-054-055-095-096-211115-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-
502 AM MDT Thu Jul 20 2017

This hazardous weather outlook is for portions of western
Nebraska.

.DAY ONE...TODAY AND TONIGHT

Scattered showers and thunderstorms will develop across the
western Nebraska Panhandle this afternoon lingering into the early
evening hours. A few storms north of a line from Harrisburg to
Alliance could become severe with hail to the size of quarters and
wind gusts to near 60 mph. Where stronger slow moving storms
persist, heavy rainfall could result in some flooding of small
creeks. The storms this afternoon will move from the southwest to
the northeast.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Showers and thunderstorms will be less numerous over the weekend,
with coverages of afternoon thunderstorms expected to increase
next week.

.Spotter information statement...
timely reports from storm spotters today regarding any observed
severe weather activity would be appreciated.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
502 AM MDT Thu Jul 20 2017

WYZ101>119-211115-
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-
502 AM MDT Thu Jul 20 2017

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

.DAY ONE...TODAY AND TONIGHT

Scattered showers and thunderstorms will develop across the
southeastern Wyoming this afternoon lingering into the early
evening hours. A few storms along and east of Interstate 25 north
of Chugwater could become severe with hail to the size of
quarters and wind gusts to near 60 mph. Where slow moving storms
persist today, flooding of small creeks will be possible.  The
storms this afternoon will move from the southwest to the
northeast.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Showers and thunderstorms will be less numerous over the weekend,
with coverages of afternoon thunderstorms expected to increase
next week.

.Spotter information statement...
timely reports from storm spotters today regarding any observed
severe weather activity would be appreciated.



$$

Hazardous Weather Outlook
National Weather Service Flagstaff AZ
338 AM MST Thu Jul 20 2017

AZZ004>018-037>040-210415-
Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country-
Coconino Plateau-Yavapai County Mountains-
Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley-
Chuska Mountains and Defiance Plateau-
Little Colorado River Valley in Coconino County-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Western Mogollon Rim-Eastern Mogollon Rim-White Mountains-
Northern Gila County-Yavapai County Valleys and Basins-
Oak Creek and Sycamore Canyons-Black Mesa Area-
Northeast Plateaus and Mesas South of Hwy 264-
338 AM MST Thu Jul 20 2017

This hazardous weather outlook is for Apache...Coconino...
Northern Gila...Navajo...and Yavapai Counties in Northern
Arizona.

.DAY ONE...Today and Tonight

Look for scattered to numerous showers and thunderstorms from the
Mogollon Rim and White Mountains northward including the Navajo
and Hopi nations. Storms across this area will be capable of wind
gusts in excess of 50 mph and local downpours of around an inch.

South of the Mogollon Rim activity will be isolated to scattered
and tend to remain over and near the mountains. A storm or two
south of the Rim will be capable of producing 2+ inches of
rainfall with flooding still possible as soils remain saturated
in many spots.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Daily thunderstorms will continue into early next week with the
usual day-to-day variations of coverage and intensity.

.SPOTTER INFORMATION STATEMENT...

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

$$

Hazardous Weather Outlook
National Weather Service North Platte NE
529 AM CDT Thu Jul 20 2017

NEZ004>010-022>029-035>038-056>059-069>071-094-211030-
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-
529 AM CDT Thu Jul 20 2017 /429 AM MDT Thu Jul 20 2017/

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

.DAY ONE...TODAY AND TONIGHT.

Heat index values will peak between 100 and 105 degrees across far
southwest Nebraska and over parts of central Nebraska this
afternoon and early evening where a heat advisory is in effect.

Isolated strong to briefly severe thunderstorms are possible
today. The best window for thunderstorms is expected to be mid
afternoon through the evening, mainly west and north of a line
from Lewellen to Hyannis, to Taylor. Damaging winds and large hail
are the main hazards, locally heavy rainfall will be possible as
well.

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

Heat index values are likely to reach between 100 to 105 degrees
Friday across parts of southwest and north central Nebraska.
Additional heat advisory may be needed Friday.

Outside of northwest Nebraska, isolated strong to briefly severe
thunderstorms will be possible Friday afternoon and evening.
Damaging winds and hail are the main hazards.

Isolated strong thunderstorms will be possible along and south
of the Interstate 80 corridor Saturday afternoon and evening.
Strong wind gusts and small hail are possible.

The risk of strong to severe thunderstorms is low at this time
beyond Saturday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

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

$$

ET

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
427 AM MDT Thu Jul 20 2017

COZ030>051-211030-
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-
427 AM MDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Scattered thunderstorms will form over the higher terrain and spread
eastward across the Urban Corridor and eastern plains this afternoon
and evening. Most thunderstorms will produce heavy rain and gusty
outflow winds. A few storms could become severe with wind gusts to
60 mph and one inch diameter hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The chance for showers and thunderstorms will remain elevated on
Friday and Saturday, with locally heavy rainfall possible Friday
afternoon through Saturday morning. Slow moving storms Friday
afternoon and evening will have the potential to produce one and
one-half to two inches of rain in a very short time, which could
lead to localized flash flooding. Storm chances will gradually
diminish through the day Saturday with drier air spreading down
from Wyoming. Thunderstorm chances should drop off even further
for Sunday, Monday and Tuesday with high pressure building in from
the west. By Wednesday, could see an uptick in thunderstorm
activity with a return to southerly flow and monsoon moisture.


.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected to be needed today or tonight.

$$
Meier/Baker

Hazardous Weather Outlook
National Weather Service Billings MT
417 AM MDT Thu Jul 20 2017

MTZ028>031-041-042-066-067-211030-
Southern Wheatland-Musselshell-Treasure-Northern Rosebud-
Northern Sweet Grass-Golden Valley-Beartooth Foothills-
Absaroka/Beartooth Mountains-
417 AM MDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of central
Montana...south central Montana and southeast Montana.

* Thunderstorms: Strong to severe thunderstorms will develop this
  afternoon and evening over eastern Montana. These thunderstorms
  will be capable of producing hail up to one inch and strong gusty
  winds to 60 mph.

* Wildfire Danger: Gusty westerly winds and low relative humidity
  values will develop over portions of south central Montana this
  afternoon increasing wildfire danger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service Billings MT
417 AM MDT Thu Jul 20 2017

MTZ063-068-211030-
Judith Gap-Crazy Mountains-
417 AM MDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of central Montana
and south central Montana.

* Thunderstorms: Strong to severe thunderstorms will develop this
  afternoon and evening over eastern Montana. These thunderstorms
  will be capable of producing hail up to one inch and strong gusty
  winds to 60 mph.

* Wildfire Danger: Gusty westerly winds and low relative humidity
  values will develop over portions of south central Montana this
  afternoon increasing wildfire danger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service Billings MT
417 AM MDT Thu Jul 20 2017

MTZ032>040-056>058-064-065-WYZ098-099-211030-
Custer-Fallon-Northern Stillwater-Yellowstone-Powder River-Carter-
Southern Big Horn-Eastern Carbon-Northern Park-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Paradise Valley-Livingston Area-
Northeast Bighorn Mountains-Sheridan Foothills-
417 AM MDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of south central
Montana...southeast Montana and north central Wyoming.

* Thunderstorms: Strong to severe thunderstorms will develop this
  afternoon and evening over eastern Montana. These thunderstorms
  will be capable of producing hail up to one inch and strong gusty
  winds to 60 mph.

* Wildfire Danger: Gusty westerly winds and low relative humidity
  values will develop over portions of south central Montana this
  afternoon increasing wildfire danger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
416 AM MDT Thu Jul 20 2017

COZ001-002-004-005-010-012>014-018-019-023-UTZ023-024-211030-
Lower Yampa River Basin-Central Yampa River Basin-
Elkhead and Park Mountains-Upper Yampa River Basin-
Gore and Elk Mountains/Central Mountain Valleys-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Northwest San Juan Mountains-
Southwest San Juan Mountains-San Juan River Basin-
Eastern Uinta Mountains-Eastern Uinta Basin-
416 AM MDT Thu Jul 20 2017

This hazardous weather outlook is for portions of northwest
Colorado...southwest Colorado...west central Colorado and
northeast Utah.

.DAY ONE...Today and Tonight

Monsoonal moisture remains in place and will bring an increase in
thunderstorm coverage by the afternoon. Localized flooding due to
heavy rainfall rates will become more likely, especially over
areas that are already saturated from recent rainfall. Some
storms will also be capable of producing gusty outflow winds but
every storm will have the potential to create dangerous cloud to
ground lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Moisture shifts eastward with potential for heavy rainfall
lasting through Friday. Some drier air works in from the
northwest on Saturday for a downturn in storm activity this
weekend into early next week. Another surge of moisture moves in
by the middle of next week, increasing the thunderstorm coverage.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
416 AM MDT Thu Jul 20 2017

COZ003-006>009-011-017-020>022-UTZ022-025-027>029-211030-
Roan and Tavaputs Plateaus-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Central Gunnison and Uncompahgre River Basin-
Uncompahgre Plateau and Dallas Divide-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
Southeast Utah-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
416 AM MDT Thu Jul 20 2017

This hazardous weather outlook is for portions of northwest
Colorado...southwest Colorado...west central Colorado...east
central Utah and southeast Utah.

.DAY ONE...Today and Tonight

A flash flood watch is in effect for the area this afternoon
through midnight tonight. Monsoonal moisture remains in place and
will bring an increase in thunderstorm coverage by the afternoon.
Flooding due to heavy rainfall rates will become more likely,
especially over areas that are already saturated from recent
rainfall. Some storms will also be capable of producing gusty
outflow winds but every storm will have the potential to create
dangerous cloud to ground lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Moisture shifts eastward with potential for heavy rainfall
lasting through Friday. Some drier air works in from the
northwest on Saturday for a downturn in storm activity this
weekend into early next week. Another surge of moisture moves in
by the middle of next week, increasing the thunderstorm coverage.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Albuquerque NM
353 AM MDT Thu Jul 20 2017

NMZ501>540-211100-
Northwest Plateau-Chuska Mountains-Far Northwest Highlands-
Northwest Highlands-West Central Plateau-West Central Mountains-
West Central Highlands-Southwest Mountains-
San Francisco River Valley-San Juan Mountains-Jemez Mountains-
West Slopes Sangre de Cristo Mountains-
Northern Sangre de Cristos above 9500 feet/Red River-
Southern Sangre de Cristos above 9500 feet-
East Slopes Sangre de Cristo Mountains-Upper Rio Grande Valley-
Lower Chama River Valley-Santa Fe Metro Area-
Middle Rio Grande Valley/Albuquerque Metro Area-
Lower Rio Grande Valley-Sandia/Manzano Mountains-Estancia Valley-
Central Highlands-South Central Highlands-Upper Tularosa Valley-
South Central Mountains-Raton Ridge/Johnson Mesa-
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-
353 AM MDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Scattered to numerous thunderstorms are expected to redevelop over
west central to southwestern New Mexico today. Some slow moving
storms could produce locally heavy rainfall this afternoon and into
the evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Storms are then expected to become more numerous day-by-day,
spreading farther north and east through the weekend and into early
next week. Storm motions will often remain slow and rainfall could
become locally heavy at times. This may lead to localized areas of
flash flooding. Some of the stronger storms may also produce small
hail and wind gusts to 50 mph.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report rainfall and any flooding 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.

$$

52

Hazardous Weather Outlook
National Weather Service Glasgow MT
321 AM MDT Thu Jul 20 2017

MTZ016>027-059>062-210930-
Central and Southeast Phillips-Central and Southern Valley-
Daniels-Sheridan-Western Roosevelt-Petroleum-Garfield-McCone-
Richland-Dawson-Prairie-Wibaux-Northern Phillips-
Southwest Phillips-Northern Valley-Eastern Roosevelt-
321 AM MDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of northeast
Montana.

.DAY ONE...Today and Tonight

A Red Flag Warning for low relative humidity and gusty wind is in
effect for this afternoon and evening for southwest portions of
Northeast Montana.

There is the possibility of strong thunderstorms for eastern areas
of Northeast Montana this afternoon and evening. A few storms may
become severe with damaging winds and large hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Critical Fire Weather conditions are possible for all zones
Friday due to low relative humidity and strong northwest wind.
The winds may also produce hazardous boating conditions on Fort
Peck Lake Friday afternoon.

.SPOTTER INFORMATION STATEMENT...

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

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
419 AM CDT Thu Jul 20 2017

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-210930-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-
Lyman-Buffalo-
419 AM CDT Thu Jul 20 2017 /319 AM MDT Thu Jul 20 2017/

This Hazardous Weather Outlook is for portions of west central
Minnesota, central South Dakota, north central South Dakota, and
northeast South Dakota.

.DAY ONE...Today and Tonight

Thunderstorms are possible across the region this evening and
through the overnight. A few storms could be on the strong side
with hail and gusty winds.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Strong to severe storms are possible Friday afternoon and evening
across eastern South Dakota and western Minnesota. Large hail and
strong winds are possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$
TMT

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
316 AM MDT Thu Jul 20 2017

UTZ001>016-019>021-517-518-WYZ021-211100-
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-
316 AM MDT Thu Jul 20 2017

This Hazardous Weather Outlook is for the western two thirds of
Utah and southwest Wyoming.

.DAY ONE...Today and Tonight

Showers and thunderstorms will form across much of the outlook
area again today. Heavy rain will be a possibility, leading to an
increased threat of flash flooding, especially along prone
drainages in southern and central Utah.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Drier air will spread into northern Utah Friday into Saturday,
but moisture will remain in place across southern through east-
central Utah where showers and thunderstorms will continue. Sunday
will likely be drier across most of the area.

More significant moisture will return to the entire outlook area
starting Monday, bringing an increased chance of showers and
thunderstorms for the first half of next week. Some of these
storms may produce heavy rainfall.

.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...
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 Dodge City KS
415 AM CDT Thu Jul 20 2017

KSZ030-031-043>046-061>066-074>081-084>090-211000-
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
415 AM CDT Thu Jul 20 2017 /315 AM MDT Thu Jul 20 2017/

This hazardous weather outlook is for portions of central...south
central...southwest and west central Kansas.

.DAY ONE...Today and tonight.

Day 1 Discussion
----------------

Highs today will range from 99 to near 104 degrees. The heat
index is expected to be near 105 today along the I-70 corridor and
east of highway 183 where a heat advisory is in effect.

Day 1 Hazards
-------------
* Excessive heat: Elevated risk

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

Days 2-7 Discussion
-------------------

The heat wave will continue through Saturday with daily high temperatures
in the 99 to 104 degree range. Friday afternoon the heat index is
expected to be near 105 again along the I-70 corridor and east of
highway 183 where a heat advisory will still be in effect.

There will be a chance for thunderstorms from Saturday night
through early next week. Over the weekend some of the storms may
be capable of producing periods of heavy rain, gusty winds and
possibly hail.

Days 2-7 Hazards
----------------
* Friday
  - Excessive heat: Elevated risk

* Saturday
  - Lightning: Limited risk
  - Severe thunderstorm: Limited risk
  - Excessive heat: Elevated risk

* Sunday
  - Lightning: Limited risk
  - Excessive heat: Elevated risk

* Monday
  - Lightning: Limited risk

* Tuesday
  - Lightning: Limited risk

* Wednesday
  - Lightning: Limited risk
  - Excessive heat: Limited risk

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

For more details visit our webpage http://weather.gov/ddc/ehwo

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
221 AM MDT Thu Jul 20 2017

WYZ001>020-022>030-211100-
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-
221 AM MDT Thu Jul 20 2017

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Isolated to widely scattered afternoon and evening thunderstorms.
Heavy rain, hail and strong gusty wind are possible with any
storm. The best chance of strong storms will be in Natrona and
Johnson Counties.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Friday...Isolated thunderstorms across the south.

Monday through Wednesday...Isolated to scattered afternoon and
evening thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report wind gusts over 45 mph, hail and any
flooding. Thank you.

$$

Hazardous Weather Outlook
National Weather Service Midland/Odessa TX
256 AM CDT Thu Jul 20 2017

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-210800-
Guadalupe Mountains of Eddy County-Eddy County Plains-
Northern Lea County-Central Lea County-Southern Lea County-Gaines-
Dawson-Borden-Scurry-Andrews-Martin-Howard-Mitchell-
Van Horn and Highway 54 Corridor-Reeves County and Upper Trans Pecos-
Loving-Winkler-Ector-Midland-Glasscock-Ward-Crane-Upton-Reagan-
Davis/Apache Mountains Area-Pecos-Presidio Valley-Marfa Plateau-
Big Bend Area-Terrell-Guadalupe Mountains-
256 AM CDT Thu Jul 20 2017 /156 AM MDT Thu Jul 20 2017/

This hazardous weather outlook is for portions of southeast New
Mexico, southwest Texas and western Texas.

.DAY ONE...TODAY AND TONIGHT

Showers and thunderstorms are possible this afternoon and evening,
especially across the higher terrain and adjacent plains.  The main
threat is heavy rainfall, which could potentially result in
localized flash flooding.  Occasional lightning and gusty winds will
likely occur with any thunderstorms.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Thunderstorms will be possible through the week mainly across the
west and southwest near the mountain regions. Locally heavy rainfall
and localized flash flooding will be possible with any storms,
however, the probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$
This product, along with other watches, warnings, advisories,
and statements issued by the National Weather Service Office in
Midland, can be found on the internet at...
http://weather.gov/midland

Hazardous Weather Outlook
National Weather Service El Paso Tx/Santa Teresa NM
1205 PM MDT Wed Jul 19 2017

NMZ401>417-TXZ418>424-201815-
Upper Gila River Valley-Southern Gila Highlands/Black Range-
Southern Gila Foothills/Mimbres Valley-
Southwest Desert/Lower Gila River Valley-Lowlands of the Bootheel-
Uplands of the Bootheel-Southwest Desert/Mimbres Basin-
Eastern Black Range Foothills-Sierra County Lakes-
Northern Dona Ana County-Southern Dona Ana County/Mesilla Valley-
Central Tularosa Basin-Southern Tularosa Basin-
West Slopes Sacramento Mountains Below 7500 Feet-
Sacramento Mountains Above 7500 Feet-
East Slopes Sacramento Mountains Below 7500 Feet-Otero Mesa-
Western El Paso County-Eastern/Central El Paso County-
Northern Hudspeth Highlands/Hueco Mountains-Salt Basin-
Southern Hudspeth Highlands-
Rio Grande Valley of Eastern El Paso/Western Hudspeth Counties-
Rio Grande Valley of Eastern Hudspeth County-
1205 PM MDT Wed Jul 19 2017

This Hazardous Weather Outlook is for portions of south central
New Mexico, southwest New Mexico, and southwest Texas.

.DAY ONE...This Afternoon and Tonight.

Scattered thunderstorms this afternoon and into much of the night.
A few of these storms could produce heavy rain and local flooding.

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

Isolated to scattered thunderstorms through Friday, then becoming
scattered to numerous over the weekend into the beginning of next
week. Heavy rain and flash flooding will be the main threat in
this period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hefner

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