weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Flash Flood Watch


Flood Watch
National Weather Service Goodland KS
955 PM MDT Sun Jun 17 2018

...Heavy rainfall and flash flooding possible Tuesday afternoon
and night...

.A very moist air mass will be in place Tuesday afternoon through
Tuesday night. This will allow thunderstorms to develop and
produce large rainfall amounts within a short period of time.

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-181300-
/O.CON.KGLD.FF.A.0003.180619T1800Z-180620T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
Including the cities of Yuma, Wray, Burlington, Arapahoe,
Cheyenne Wells, St. Francis, Bird City, Atwood, Oberlin, Norton,
Goodland, Colby, Hoxie, Hill City, Sharon Springs, Oakley,
Quinter, Grinnell, Grainfield, Tribune, Leoti, Benkelman,
Culbertson, Trenton, Stratton Ne, Palisade, and McCook
955 PM MDT Sun Jun 17 2018 /1055 PM CDT Sun Jun 17 2018/

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH LATE TUESDAY NIGHT...

The Flash Flood Watch continues for

* Portions of Colorado, Kansas, and southwest Nebraska,
  including the following areas, in Colorado, Cheyenne County,
  Kit Carson County, and Yuma County. In Kansas, Cheyenne,
  Decatur, Gove, Graham, Greeley, Logan, Norton, Rawlins,
  Sheridan, Sherman, Thomas, Wallace, and Wichita. In southwest
  Nebraska, Dundy, Hitchcock, and Red Willow.

* From Tuesday afternoon through late Tuesday night

* Heavy rainfall from periods of thunderstorms from Tuesday
  afternoon into the overnight hours could cause flash flooding
  over much of the area.

* The torrential rainfall will reduce visibilities to near zero
  at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that additional rainfall may result in
flash flooding. Flash flooding is a very dangerous situation.
Monitor later forecasts and be prepared to move quickly to higher
ground should flash flooding occur.

&&

$$

Flood Watch
National Weather Service North Platte NE
541 PM CDT Sun Jun 17 2018

...Flash Flood Watch...

.Additional heavy rainfall is possible this afternoon and
tonight. Recent heavy rainfall has caused very wet soil
conditions. Additional heavy rainfall could cause flash flooding,
especially in low water crossing areas of hilly terrain. Any
flash flooding would most likely occur where soil is less sandy
in nature.

NEZ004-094-181245-
/O.CON.KLBF.FF.A.0002.000000T0000Z-180618T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sheridan-Western Cherry-
Including the cities of Gordon, Rushville, Cody, Eli, Merriman,
and Kilgore
541 PM CDT Sun Jun 17 2018 /441 PM MDT Sun Jun 17 2018/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

The Flash Flood Watch continues for

* Portions of north central Nebraska and panhandle Nebraska,
  including the following areas, in north central Nebraska,
  Western Cherry. In panhandle Nebraska, Sheridan.

* Through Monday afternoon

* The flash flood watch watch is in effect for the possibility
  of additional heavy rainfall this afternoon and tonight.

* Any flash flooding would most likely occur where soil is less
  sandy in nature.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service North Platte NE
1249 AM CDT Mon Jun 18 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-190600-
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-
1249 AM CDT Mon Jun 18 2018 /1149 PM MDT Sun Jun 17 2018/

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

.DAY ONE...OVERNIGHT.

Showers and thunderstorms will continue to lift across western and
north central Nebraska overnight. Though the threat for severe
storms has ended, heavy rain remains a threat across areas
generally west and north of a line from Burwell to Ogallala.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

Several rounds of showers and thunderstorms with periods of heavy
rain are expected off and on through the week. Stay tuned to
later forecasts as the flooding potential will increase by mid
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected overnight.

&&

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

$$

CLB

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
1143 PM CDT Sun Jun 17 2018

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-181845-
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-
Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-
Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-
Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-
Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson-
1143 PM CDT Sun Jun 17 2018

This Hazardous Weather Outlook is for portions of southwest
Iowa...west central Iowa...east central Nebraska...northeast
Nebraska and southeast Nebraska.

.DAY ONE...Tonight and Monday

There will be some thunderstorms scattered across the area
overnight. A few storms could be strong with small hail, gusty
winds and heavy rain. Chances are highest across northeast
Nebraska.

There is a a marginal risk of severe storms over portions of
eastern Nebraska and southwest Iowa Monday.

.DAYS TWO THROUGH SEVEN...Monday night through Sunday

Thunderstorm chances will remain in the forecast through the week
and into next weekend.

.SPOTTER INFORMATION STATEMENT...

Storm spotter activation is not expected tonight and will probably
not be needed Monday.

$$

Hazardous Weather Outlook...UPDATED
National Weather Service Hastings NE
1051 PM CDT Sun Jun 17 2018

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
190400-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
1051 PM CDT Sun Jun 17 2018

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

.DAY ONE...Tonight.

There is a slight chance of isolated thunderstorms the rest of the
night...north of Interstate 80. If any storms develop...they are
not expected to be severe.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Daily thunderstorm chances continue through Saturday. A few
strong to marginally severe storms are possible Monday and
Tuesday. In addition, periods of heavy rain over several days
could lead to localized flooding Monday through Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed the rest of the night.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

$$

Kelley

Hazardous Weather Outlook
National Weather Service Cheyenne WY
838 PM MDT Sun Jun 17 2018

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
190245-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Converse County Lower Elevations-
Niobrara County-North Laramie Range-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-South Laramie Range-
South Laramie Range Foothills-Central Laramie County-
East Laramie County-
838 PM MDT Sun Jun 17 2018

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

.DAY ONE...TONIGHT

Areas of fog, locally dense at times, will develop this evening
and continue overnight, especially across the southern Laramie
Range and foothills between Cheyenne and Laramie.

Isolated thunderstorms are possible.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Scattered mainly afternoon and evening thunderstorms will develop
Monday through Wednesday, becoming widely scattered Thursday. A
few strong to severe thunderstorms will be possible east of the
Laramie Range Monday and Tuesday.

.Spotter information statement...

Spotter activation will not be required at this time.

$$

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
513 PM CDT Sun Jun 17 2018

SDZ038-039-050-052>054-057>060-063-064-182215-
Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Brule-Aurora-
Davison-Hanson-Charles Mix-Douglas-
513 PM CDT Sun Jun 17 2018

This Hazardous Weather Outlook is for portions of central South
Dakota, east central South Dakota, south central South Dakota,
and southeast South Dakota.

.DAY ONE...Tonight

Thunderstorms will become likely tonight. While an isolated storm
could be strong, severe weather is not currently expected.
Locally heavy rainfall is also possible with any thunderstorm
activity.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Thunderstorm chances linger into Monday, although severe weather
is not expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

$$

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1102 AM MDT Sun Jun 17 2018

COZ030>051-181715-
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-
1102 AM MDT Sun Jun 17 2018

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

.DAY ONE...Today and Tonight

Showers and embedded thunderstorms over the mountains and
foothills will spread to the nearby plains right around noon, and
then spread over the remainder of the plains by evening. The main
threat with the storms will be heavy rain with local rainfall
amounts of an inch of rain in 30 minutes or less with the stronger
storms. The burn scars will be susceptible to localized flash
flooding with the heavy rain.

There is a threat of strong to potentially severe storms over the
far northeast plains, especially from Last Chance to Sterling and
points east. The main threat would be hail around an inch or
slightly larger in diameter and strong damaging winds. A
convergence zone of northerly winds meeting southerly winds over
this area will also introduce the threat of brief landspout
tornadoes or funnel clouds.

Showers and possible storms will continue through the evening,
and then gradually decreasing from west to east after midnight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Shower and thunderstorms will be likely for much of the forecast
area, especially late in the day and in the evening through
Wednesday. Heavy rainfall, small hail and lightning will be the
main threats. Heavy rainfall may producing flooding, especially
in the more flood prone areas including burned areas. Scattered
late day showers and thunderstorms area expected Thursday and
Friday, then isolated coverage on Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today, however heavy rain
and flooding reports will be appreciated.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
635 AM MDT Sun Jun 17 2018

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-
635 AM MDT Sun Jun 17 2018 /735 AM CDT Sun Jun 17 2018/

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

.DAY ONE...Today and Tonight

Rain showers and isolated thunderstorms are expected today. Heavy
rainfall will be possible with any shower or storm.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Another system will move through the area Tuesday night into
Wednesday, with strong thunderstorms and heavy rain likely over a
large part of the forecast area.

.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

$$

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