weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Severe Thunderstorm Watch


WATCH COUNTY NOTIFICATION FOR WATCH 117
NATIONAL WEATHER SERVICE CHEYENNE WY
711 PM MDT WED MAY 23 2018

NEC007-013-033-045-105-123-157-165-240300-
/O.CON.KCYS.SV.A.0117.000000T0000Z-180524T0300Z/

SEVERE THUNDERSTORM WATCH 117 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN NEBRASKA THIS WATCH INCLUDES 8 COUNTIES

IN PANHANDLE NEBRASKA

CHEYENNE

IN WESTERN NEBRASKA

BANNER                BOX BUTTE             DAWES
KIMBALL               MORRILL               SCOTTS BLUFF
SIOUX

THIS INCLUDES THE CITIES OF AGATE, ALLIANCE, ANGORA, BAYARD,
BRIDGEPORT, BROWNSON, CHADRON, CHADRON ST PARK, GERING,
HARRISBURG, HARRISON, KIMBALL, REDINGTON, SCOTTSBLUFF,
AND SIDNEY.

$$

WATCH COUNTY NOTIFICATION FOR WATCH 117
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
537 PM MDT WED MAY 23 2018

COC075-095-115-240300-
/O.CON.KBOU.SV.A.0117.000000T0000Z-180524T0300Z/

SEVERE THUNDERSTORM WATCH 117 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN COLORADO THIS WATCH INCLUDES 3 COUNTIES

IN NORTHEAST COLORADO

LOGAN                 PHILLIPS              SEDGWICK

THIS INCLUDES THE CITIES OF HOLYOKE, JULESBURG, AND STERLING.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Pueblo CO
808 PM MDT Wed May 23 2018

COZ058>089-093>099-250215-
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-
808 PM MDT Wed May 23 2018

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

.DAY ONE...Tonight

Isolated thunderstorms will be possible over the far southeast
plains until midnight, with lightning and wind gusts to 45 mph
the primary storm threats.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

An isolated thunderstorm is possible over the eastern plains on
Thursday. Currently, the storms are expected to be below severe
criteria with small hail, wind gusts around 45 mph, and frequent
lightning.

Thunderstorm activity decreases Friday through Sunday, with an
isolated thunderstorm over the mountains during the day. Monday and
Tuesday thunderstorm activity increases again, but at this point in
time any storms are expected to be below severe criteria.

Near critical fire conditions return Friday through Sunday.
Fire Weather Watches are not anticipated for Friday and Saturday,
just dry conditions. Sunday will have the highest risk for Red
Flag conditions with sustained winds around 20 mph, relative
humidity values below 15 percent, and dry fuels.

.SPOTTER INFORMATION STATEMENT...

Weather spotters will not be needed tonight.

$$

10/23

Hazardous Weather Outlook
National Weather Service North Platte NE
325 PM CDT Wed May 23 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-242030-
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-
325 PM CDT Wed May 23 2018 /225 PM MDT Wed May 23 2018/

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

.DAY ONE...TONIGHT.

Scattered thunderstorms will affect western and north central Nebraska
this evening tonight. Some storms will be capable of producing large
hail and strong winds, primarily for portions of the eastern Panhandle
and northwest Nebraska.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

Another round of thunderstorms is possible Thursday afternoon and
evening, mainly east of a line from Broken Bow to Ainsworth. A
few storms may approach severe limits with hail and wind the
primary threats.

Thunderstorm chances increase again Sunday and Monday evenings.
The severe threat is uncertain at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

&&

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

$$

kulik

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1107 AM MDT Wed May 23 2018

COZ030>051-241715-
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-
1107 AM MDT Wed May 23 2018

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

.DAY ONE...Today and Tonight

Isolated showers and thunderstorms will develop over the
mountains and plains through the afternoon and then decrease by
evening.

A surface low pressure area will develop over the plains this
afternoon with gusty southwest winds shifting north from the
Palmer Divide. North of the surface trough, moisture levels will
be higher, and a batch of thunderstorms is expected to develop.
An isolated severe storm with hail and damaging winds will be
possible. The best chance for the stronger storms will be north
of the Interstate 76 corridor.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Storm coverage will decrease Thursday through Saturday with drier
and warmer conditions. However, we cannot rule out an isolated
thunderstorm that could move off the higher terrain and over the
eastern plains Thursday.

An approaching storm system will bring increased chances of thunderstorms
and possible severe weather back to the Front Range I-25 Corridor
late this weekend into early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

$$

Hazardous Weather Outlook
National Weather Service Goodland KS
1055 AM MDT Wed May 23 2018

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-241200-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
1055 AM MDT Wed May 23 2018 /1155 AM CDT Wed May 23 2018/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

There is a marginal risk for an isolated severe storm or two this
afternoon and evening capable of producing hail up to the size of
quarters and gusty outflow winds to 60 mph.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH WEDNESDAY...

There will be a marginal risk for severe thunderstorms Thursday
afternoon and evening, mainly along and east of Highway 83 in
northwest Kansas and southwest Nebraska. Locally heavy rainfall will
also be possible in those areas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
351 AM MDT Wed May 23 2018

WYZ101-103>107-109>118-241000-
Converse County Lower Elevations-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
East Platte 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-
351 AM MDT Wed May 23 2018

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 are expected to develop this
afternoon and continue into the evening hours. Hail to the size of
nickels and downburst winds to 50 mph will be the primary hazards
through mid evening.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Thunderstorms return Sunday afternoon and will redevelop on a
daily basis through Tuesday. Some of these storms could become
severe with large hail and damaging downburst winds.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
351 AM MDT Wed May 23 2018

NEZ002-003-019>021-054-055-095-096-WYZ102-108-119-241000-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Niobrara County-Goshen County-
East Laramie County-
351 AM MDT Wed May 23 2018

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

.DAY ONE...TODAY AND TONIGHT

Scattered showers and thunderstorms are expected this afternoon
through the evening hours. Some of these storms are expected to
become severe with large hail and damaging downburst winds the
primary hazards. Expect these storms to develop east of a line
from Bill to Cheyenne with greatest coverage over the northern
Nebraska Panhandle after 3 PM this afternoon.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Thunderstorms return Sunday afternoon and will redevelop on a
daily basis through Tuesday. Some of these storms are likely to be
severe with large hail and damaging downburst winds.

.Spotter information statement...

Spotter activation will likely be need after 3 PM for areas east
of a line from Bill to Cheyenne through mid evening.

$$

Hazardous Weather Outlook
National Weather Service Dodge City KS
357 AM CDT Wed May 23 2018

KSZ030-031-043>046-061>066-074>081-084>090-241000-
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-
357 AM CDT Wed May 23 2018 /257 AM MDT Wed May 23 2018/

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

.DAY ONE...Today and tonight.

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

A few strong to marginally severe thunderstorms will be possible
late this afternoon and early tonight west of highway 283. The main
hazards from these storms will be wind gusts up to 60 mph and
hail up to the size of a quarter.

Day 1 Hazards
-------------
* Hail: Limited risk
* Thunderstorm wind damage: Limited risk
* Lightning: Limited risk
* Non-thunderstorm wind: Limited risk
* Fire weather: Significant risk

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

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

There will be a chance for strong to marginally severe
thunderstorms late Thursday and late Friday. Gusty winds of up to
60 mph and quarter size hail will be the main hazards both
evenings.

Elevated to near critical fire risk levels possible over the
Memorial Weekend.

Days 2-7 Hazards
----------------
* Thursday
  - Lightning: Limited risk
  - Fire weather: Elevated risk

* Friday
  - Lightning: Limited risk
  - Fire weather: Elevated risk

* Saturday
  - Fire weather: Elevated risk

* Sunday
  - Lightning: Limited risk
  - Fire weather: Significant risk

* Monday
  - Lightning: Limited risk
  - Fire weather: Significant risk

* Tuesday
  - Lightning: Limited risk
  - Fire weather: Elevated risk

.SPOTTER INFORMATION STATEMENT...

Limited spotter activation may be required after 6 pm west of
highway 283.


&&

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

$$

Hazardous Weather Outlook
National Weather Service Grand Junction CO
241 AM MDT Wed May 23 2018

COZ001>014-017>023-UTZ022>025-027>029-241200-
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-
241 AM MDT Wed May 23 2018

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

.DAY ONE...Today and Tonight

Scattered thunderstorms will develop this afternoon and continue
through early evening across northeast Utah and northwest
Colorado, mainly areas north of I-70. Storms will favor higher
terrain with gusty outflow winds and lightning the primary
concerns. Elsewhere, partly to mostly sunny skies can be expected
with warmer temperatures than yesterday.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Dry conditions with warm, above normal temperatures will continue
through the weekend. Winds will increase on Saturday ahead of an
approaching storm system, leading to potential for critical fire
weather conditions. The chance for precipitation will slowly
increase late weekend into early next week as this storm system
affects the area, with isolated to scattered storms favoring
higher terrain at this time.

.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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE