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Flood Watch


Flood Watch
National Weather Service Rapid City SD
325 PM MDT Sat Jun 23 2018

...Heavy rain potential tonight through Monday...

.Widespread showers and thunderstorms are expected tonight
through Monday. Locally heavy rainfall of 1-2 inches is possible
across a good portion of the watch area. Given the recent
rainfall and with the already saturated grounds, conditions are
favorable for the development of flooding.

SDZ024>032-041>044-046-047-049-072-074-240530-
/O.CON.KUNR.FA.A.0001.180624T0000Z-180626T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-Hermosa Foot Hills-
Including the cities of Lead, Deadwood, Spearfish, Rapid City,
Edgemont, Hot Springs, Hill City, Mt Rushmore, Custer, Folsom,
Wall, Philip, Ardmore, Oelrichs, Pine Ridge, Oglala, Kyle,
Kadoka, Martin, White River, Mission, Winner, Sturgis,
and Hermosa
325 PM MDT Sat Jun 23 2018 /425 PM CDT Sat Jun 23 2018/

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

The Flood Watch continues for

* Portions of northwestern South Dakota, south central South
  Dakota, southwestern South Dakota, and the Black Hills of
  South Dakota, including the following areas, in northwestern
  South Dakota, the Northern Foot Hills and the Sturgis/Piedmont
  Foot Hills. In south central South Dakota, Mellette, Todd, and
  Tripp. In southwestern South Dakota, Bennett, Haakon, Jackson,
  Oglala Lakota, the Custer County Plains, the Fall River County
  Plains, the Hermosa Foot Hills, the Pennington County Plains,
  the Rapid City area, and the Southern Foot Hills. In the Black
  Hills of South Dakota, the Central Black Hills, the Northern
  Black Hills, and the Southern Black Hills.

* Through Monday afternoon

* 1 to 2 inches of rainfall are possible, and with already
  saturated ground, flooding will be possible.

* Flooding that develops could wash out roads in low-lying
  areas, as well as impact property along creeks, streams, and
  rivers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A flood watch means that flooding is possible along rivers and
creeks in the watch area, but is not imminent. If you are in the
watch area, take time to move livestock, equipment, and other
property from low lying areas before flooding occurs. Monitor
NOAA weather radio and local media for updated forecasts and be
ready to quickly move to higher ground if rising water levels are
observed or a warning is issued.

&&

$$

Flood Watch
National Weather Service Rapid City SD
325 PM MDT Sat Jun 23 2018

...Heavy rain potential tonight through Monday...

.Widespread showers and thunderstorms are expected tonight
through Monday. Locally heavy rainfall of 1-2 inches is possible
across a good portion of the watch area. Given the recent
rainfall and with the already saturated grounds, conditions are
favorable for the development of flooding.

WYZ054>058-240530-
/O.CON.KUNR.FA.A.0001.180624T0000Z-180625T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Weston-
Including the cities of Gillette, Wright, Moorcroft, Hulett,
Four Corners, Sundance, Newcastle, and Upton
325 PM MDT Sat Jun 23 2018

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT...

The Flood Watch continues for

* Portions of northeast Wyoming and the Black Hills of Wyoming,
  including the following areas, in northeast Wyoming, Northern
  Campbell County, Southern Campbell County, Western Crook
  County, and the Weston County Plains. In the Black Hills of
  Wyoming, the Wyoming Black Hills.

* Through late Sunday night

* 1 to 2 inches of rainfall are possible, and with already
  saturated ground, flooding will be possible.

* Flooding that develops could wash out roads in low-lying
  areas, as well as impact property along creeks, streams, and
  rivers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A flood watch means that flooding is possible along rivers and
creeks in the watch area, but is not imminent. If you are in the
watch area, take time to move livestock, equipment, and other
property from low lying areas before flooding occurs. Monitor
NOAA weather radio and local media for updated forecasts and be
ready to quickly move to higher ground if rising water levels are
observed or a warning is issued.

&&

$$

Flood Watch
National Weather Service Riverton WY
223 PM MDT Sat Jun 23 2018

...Moderate to heavy rain potential late this afternoon through
Sunday afternoon...

.Periods of showers and thunderstorms will occur this afternoon
and continue through Sunday. The main threat will be this evening
into Sunday morning and especially in Johnson and Natrona
Counties and the Bighorn Mountains.

WYZ008>011-020-022-241000-
/O.CON.KRIW.FA.A.0006.180624T0000Z-180625T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Natrona County Lower Elevations-Casper Mountain-
Including the cities of Buffalo, Kaycee, and Casper
223 PM MDT Sat Jun 23 2018

...FLOOD WATCH REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
THROUGH SUNDAY AFTERNOON...

The Flood Watch continues for

* Portions of central Wyoming and north central Wyoming,
  including the following areas, in central Wyoming, Casper
  Mountain and Natrona County Lower Elevations. In north central
  Wyoming, Bighorn Mountains Southeast, Bighorn Mountains West,
  Northeast Johnson County, and Southeast Johnson County.

* From 6 PM MDT this evening through Sunday afternoon

* Moderate to heavy rain in thunderstorms are forecast by
  Saturday evening through early Sunday. Then, additional rain
  showers are possible in Sunday afternoon.

* Rainfall totals of 0.5 inch to 1 inch is forecast. Up to 2
  inches may occur in the Bighorn Mountains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&

$$

Flood Watch
National Weather Service Cheyenne WY
214 PM MDT Sat Jun 23 2018

...Moderate to heavy rainfall expected this afternoon through
Sunday evening across portions of southeastern Wyoming...

WYZ101>103-241100-
/O.CON.KCYS.FA.A.0002.180624T0000Z-180625T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Converse County Lower Elevations-Niobrara County-
North Laramie Range-
Including the cities of Bill, Douglas, Deer Creek, Glenrock,
Lusk, Redbird, and Garrett
214 PM MDT Sat Jun 23 2018

...FLOOD WATCH REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
THROUGH SUNDAY EVENING...

The Flood Watch continues for

* Portions of east central Wyoming and southeast Wyoming,
  including the following areas, in east central Wyoming,
  Converse County Lower Elevations and Niobrara County. In
  southeast Wyoming, North Laramie Range.

* From 6 PM MDT this evening through Sunday evening.

* Widespread showers and thunderstorms will develop and bring
  heavy rainfall through Sunday evening. Rainfall in excess of
  one inch may lead to flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Rapid City SD
717 PM MDT SAT JUN 23 2018

SDZ028-240200-
Central Black Hills SD-
717 PM MDT SAT JUN 23 2018

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN PENNINGTON COUNTY UNTIL
800 PM MDT...

At 716 PM MDT, Doppler radar was tracking a strong thunderstorm over
Pactola Reservoir, or 9 miles north of Hill City, moving east at 10
mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Johnson Siding, Hisega and Pactola Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4402 10358 4410 10356 4412 10337 4401 10340
TIME...MOT...LOC 0116Z 262DEG 8KT 4406 10353

$$

Sherburn


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Bismarck ND
642 PM CDT Sat Jun 23 2018

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-242345-
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells-
Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder-
Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan-
La Moure-McIntosh-Dickey-
642 PM CDT Sat Jun 23 2018 /542 PM MDT Sat Jun 23 2018/

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

.DAY ONE...Tonight

Isolated to scattered thunderstorms will continue across western
and central North Dakota tonight. The threat for severe weather
is low. Locally heavy rainfall and small hail is possible with
some of the stronger storms this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Thunderstorm chances and the threat for locally heavy rain
continues on Sunday.

Off and on chances for thunderstorms are forecast through next
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service North Platte NE
400 PM CDT Sat Jun 23 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-242100-
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-
400 PM CDT Sat Jun 23 2018 /300 PM MDT Sat Jun 23 2018/

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

.DAY ONE...TONIGHT.

Scattered thunderstorms with marginally severe hail and strong
winds will be possible later this evening and overnight. The area
of concern will be mainly west of a line from Merriman through
North Platte and Curtis.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

Thunderstorms are likely Sunday into Monday as an upper level low
moves through the region. Locally heavy rain could develop in
spots, as well as the potential for a few severe storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation should not be needed tonight.

&&

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

$$

Taylor

Hazardous Weather Outlook...UPDATED
National Weather Service Cheyenne WY
1114 AM MDT Sat Jun 23 2018

NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-119-241100-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Converse County Lower Elevations-
Niobrara County-East Platte County-Goshen County-
East Laramie County-
1114 AM MDT Sat Jun 23 2018

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

Scattered thunderstorms are expected to develop over the area
this afternoon with more widespread showers and storms tonight. A
few storms may become strong and possibly severe by late this
afternoon into this evening with gusty winds and hail the main
threat.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

Showers and scattered thunderstorms will remain likely Sunday
before ending Sunday night. Locally heavy rainfall is possible.

.Spotter information statement...

Spotter activation is not anticipated at this time.

$$

Hazardous Weather Outlook...UPDATED
National Weather Service Cheyenne WY
1114 AM MDT Sat Jun 23 2018

WYZ103>106-109>118-241100-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest 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-
1114 AM MDT Sat Jun 23 2018

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

Isolated thunderstorms are expected to develop over the area this
afternoon with more widespread showers and storms tonight. A few
storms may produce gusty winds and small hail this afternoon and
evening.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

Showers and scattered thunderstorms will remain likely Sunday
before ending Sunday night.  Locally heavy rainfall is possible.

.Spotter information statement...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
349 AM MDT Sat Jun 23 2018

SDZ024>031-041-042-044-072-074-WYZ055>058-071-241300-
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-Oglala Lakota-
Bennett-Sturgis/Piedmont Foot Hills-Hermosa Foot Hills-
Southern Campbell-Western Crook-Wyoming Black Hills-Weston-
Northeastern Crook-
349 AM MDT Sat Jun 23 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...southwestern South Dakota...the Black Hills of
South Dakota...northeast Wyoming...and the Black Hills of
Wyoming.

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected this afternoon and evening.
There is a marginal risk of severe thunderstorms with large hail
and damaging winds. Thunderstorms may bring locally heavy rainfall
tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a chance of thunderstorms Sunday and Monday. Severe
thunderstorms are not expected at this time. Locally heavy
rainfall is possible Sunday through Monday Afternoon.

.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
349 AM MDT Sat Jun 23 2018

WYZ054-241300-
Northern Campbell-
349 AM MDT Sat Jun 23 2018

This Hazardous Weather Outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms this afternoon into tonight.
Severe thunderstorms are not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a chance of thunderstorms Sunday and Monday. Severe
thunderstorms are not expected at this time.

.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
349 AM MDT Sat Jun 23 2018

SDZ001-002-012>014-073-241300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Southern Meade Co Plains-
349 AM MDT Sat Jun 23 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota.

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected this afternoon and evening.
Severe thunderstorms are not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a chance of thunderstorms Sunday and Monday. Severe
thunderstorms are not expected at this time.

.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
349 AM MDT Sat Jun 23 2018

SDZ032-043-046-047-049-241300-
Haakon-Jackson-Mellette-Todd-Tripp-
349 AM MDT Sat Jun 23 2018 /449 AM CDT Sat Jun 23 2018/

This Hazardous Weather Outlook is for portions of south central
South Dakota...and southwestern South Dakota.

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected this afternoon and evening.
Severe thunderstorms are not expected at this time. Thunderstorms
may bring locally heavy rainfall tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a chance of thunderstorms Sunday and Monday. There is a
marginal risk of severe thunderstorms Sunday with large hail and
damaging winds. Locally heavy rainfall is possible Sunday through
Monday Afternoon.

.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 Aberdeen SD
437 AM CDT Sat Jun 23 2018

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-240945-
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-
437 AM CDT Sat Jun 23 2018 /337 AM MDT Sat Jun 23 2018/

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

Showers and thunderstorms are expected to develop by mid to late
afternoon from north central South Dakota, eastward into the James
River valley and through portions of southeast and east central
South Dakota. A few storms could be marginally severe with small
hail and gusty winds. The atmosphere is such today that there
could be an isolated brief landspout or weak tornado.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Shower and thunderstorm chances continue Sunday through early next
week. At this point, the threat for severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be necessary by mid to late afternoon
across north central South Dakota eastward into the James River
valley and over to the Watertown region.

$$
TMT

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
413 AM CDT Sat Jun 23 2018

MNZ071-072-SDZ038>040-050-052>055-057>061-063>065-068-240915-
Lincoln MN-Lyon MN-Beadle-Kingsbury-Brookings-Gregory-Jerauld-
Sanborn-Miner-Lake-Brule-Aurora-Davison-Hanson-McCook-Charles Mix-
Douglas-Hutchinson-Bon Homme-
413 AM CDT Sat Jun 23 2018

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

.DAY ONE...Today and Tonight

Showers and thunderstorms will be possible this afternoon. An
isolated storm west of Interstate 29 could become severe with
hail to the size of quarters and winds to 60 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Showers and thunderstorms could bring one to three inches of rain
to the region on Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
138 AM MDT Sat Jun 23 2018

WYZ001>020-022>030-241300-
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-
138 AM MDT Sat Jun 23 2018

...Flood Watch is in effect from Saturday evening through Sunday
afternoon for central and eastern portions...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Saturday and Saturday night...Showers and thunderstorms will
become more numerous by the afternoon and continue through the
overnight hours. Localized flooding is possible Saturday night.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Sunday...Scattered showers with isolated thunderstorms, with
locally heavy rain, will continue through the day. Precipitation
will end by late Sunday evening.

Thursday and Friday...Isolated afternoon and evening thunderstorms
mainly over the north.

.SPOTTER INFORMATION STATEMENT...

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

$$

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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