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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
314 AM MDT TUE AUG 4 2015

WYZ001>020-022>030-050915-
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-
314 AM MDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND CENTRAL
WYOMING.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS
CENTRAL...NORTH...AND EAST...WITH HEAVIEST RAINFALL POTENTIAL
OVER JOHNSON AND NORTHERN NATRONA COUNTY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WEDNESDAY AND THURSDAY...ISOLATED TO WIDELY SCATTERED
THUNDERSTORMS.

SATURDAY...CHANCE OF THUNDERSTORMS IN THE MOUNTAINS WITH ISOLATED
TO WIDELY SCATTERED STORMS IN THE LOWER ELEVATIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT WIND GUSTS GREATER THAN 45
MPH...AS WELL AS ANY FLOODING THANK YOU.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
1002 AM MDT TUE AUG 4 2015

MTZ028>042-056>058-063>068-WYZ098-099-051615-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
1002 AM MDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE AREA
TODAY. STORMS EAST OF BILLINGS TODAY WILL HAVE THE POTENTIAL TO
PRODUCE TORRENTIAL RAINFALL WHICH COULD LEAD TO FLASH FLOODING.
LOCATIONS MOST AT RISK FOR FLASH FLOODING WILL BE ALONG RIVERS AND
STREAMS...LOCATIONS NEAR RECENT BURN SCARS... AND LOW LYING AREAS
WHERE RUNOFF TYPICALLY FLOWS. ISOLATED WIND GUSTS OF 40 TO 50 MPH ARE
ALSO POSSIBLE. INTENSE LIGHTNING ACTIVITY COULD TRIGGER A FEW NEW
FIRE STARTS AS WELL AS BEING A HAZARD FOR OUTDOOR ACTIVITIES.
STORMS WILL DIMINISH AND SHIFT EAST OF THE AREA LATE THIS EVENING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN WEDNESDAY AFTERNOON
AND EVENING. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE
SMALL HAIL...STRONG WIND GUSTS AND VERY HEAVY RAINFALL. STORMS
WILL DEVELOP OVER WESTERN LOCATIONS IN THE AFTERNOON...THEN MOVE
INTO CENTRAL AND EASTERN SECTIONS DURING THE EVENING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
504 AM MDT TUE AUG 4 2015

COZ030>051-051115-
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-
504 AM MDT TUE AUG 4 2015


THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

THERE WILL BE A SLIGHT CHANCE OF SEVERE STORMS OVER THE FAR
NORTHEAST PLAINS OF COLORADO THIS AFTERNOON AND EARLY EVENING.
EXPECT LARGE HAIL AND DAMAGING WINDS WITH THE STORMS. FURTHER
WEST OVER THE MOUNTAINS AND FRONT RANGE...A DRIER AND MORE STABLE
AIRMASS WILL MOVE IN TODAY. STRONG AND GUSTY WINDS WILL CONTINUE
THIS MORNING OVER THE MOUNTAINS AND HIGHER FOOTHILLS WITH GUSTS UP
TO 50 MPH POSSIBLE. AN UPPER LEVEL DISTURBANCE WILL CONTINUE TO
TRACK ACROSS EASTERN COLORADO TODAY AS HIGH PRESSURE BUILDS OVER
WESTERN COLORADO TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

IT WILL BE HOT AND WEDNESDAY AND THURSDAY UNDER A RIDGE OF HIGH
PRESSURE...WITH JUST A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. FOR THE REST OF THE PERIOD...THE RIDGE OF
HIGH PRESSURE WILL SHIFT TO THE EAST ALLOWING FOR A MOIST
SOUTHWESTERLY FLOW ALOFT OVER THE STATE AND A BETTER CHANCE OF
SHOWERS AND THUNDERSTORMS OVER THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED OVER THE FAR NORTHEAST PLAINS OF
COLORADO AFTER 1 PM.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
448 AM MDT TUE AUG 4 2015

COZ001>014-017>023-UTZ022>025-027>029-051100-
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-FLATTOPS-
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-
448 AM MDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

EXPECT A FEW THUNDERSTORMS OVER THE HIGHER TERRAIN THIS AFTERNOON
AND EARLY THIS EVENING. THE EASTERN UINTA MOUNTAINS WILL BE FAVORED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

DRIER CONDITIONS EXPECTED WEDNESDAY AND THURSDAY...ALTHOUGH AN
ISOLATED THUNDERSTORM MAY OCCUR OVER THE WESTERN COLORADO HIGH
COUNTRY.

THE SUMMER MONSOON RETURNS LATE ON FRIDAY AND INCREASES INTO
SATURDAY RESULTING IN INCREASED COVERAGE AND INTENSITY OF SHOWERS
AND THUNDERSTORMS.

DRIER CONDITIONS RECURS SUNDAY AND MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

TGJT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
332 AM MDT TUE AUG 4 2015

NEZ002-003-019>021-054-055-095-096-050945-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
332 AM MDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP MAINLY ACROSS
IN THE NORTHERN PANHANDLE THIS AFTERNOON AND EVENING. THE MAIN
THREAT WITH THESE STORMS WILL BE TORRENTIAL RAINFALL DUE TO VERY
SLOW STORM MOVEMENT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
MONSOONAL MOISTURE MAY VENTURE INTO THE NEBRASKA PANHANDLE THIS
WEEKEND. AS A RESULT...THERE IS A CHANCE OF MORE THUNDERSTORMS
SATURDAY AND SUNDAY.


.SPOTTER INFORMATION STATEMENT...
SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
332 AM MDT TUE AUG 4 2015

WYZ101>119-050945-
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-
332 AM MDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WYOMING...SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP MAINLY
NORTHEAST OF A LINE FROM DOUGLAS TO TORRINGTON THIS AFTERNOON AND
EVENING. THE MAIN THREAT WITH THESE STORMS WILL BE TORRENTIAL
RAINFALL DUE TO VERY SLOW STORM MOVEMENT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
MONSOONAL MOISTURE MAY VENTURE INTO SOUTHEAST WYOMING THIS
WEEKEND. AS A RESULT...THERE IS A CHANCE OF MORE THUNDERSTORMS
SATURDAY AND SUNDAY.


.SPOTTER INFORMATION STATEMENT...
SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
320 AM MDT TUE AUG 4 2015

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-051300-
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-SHANNON-
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-
320 AM MDT TUE AUG 4 2015

...FLASH FLOOD WATCH FROM THIS AFTERNOON THROUGH THIS EVENING
ACROSS NORTHWEST SOUTH DAKOTA...FAR NORTHEAST WYOMING...AND THE
BLACK HILLS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

CHANCES FOR STORMS WILL INCREASE THIS AFTERNOON AND EVENING AS A
STORM SYSTEM CROSSES THE REGION. SLOW MOVING THUNDERSTORMS AND
AMPLE MOISTURE WILL RESULT IN THE POTENTIAL FOR LOCALLY HEAVY
RAINFALL...WHICH MAY CAUSE FLASH FLOODING. WIDESPREAD SEVERE
WEATHER IS NOT EXPECTED AT THIS TIME...BUT SOME STORMS MAY BE
STRONG WITH HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A DAILY CHANCE FOR THUNDERSTORMS WEDNESDAY THROUGH THE
WEEKEND...HOWEVER SEVERE WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR 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