weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
448 PM 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-
448 PM MDT TUE AUG 4 2015

...FLASH FLOOD WATCH UNTIL MIDNIGHT FOR FAR NORTHEASTERN WYOMING
AND THE NORTHERN AND CENTRAL BLACK HILLS...

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

.DAY ONE...TONIGHT

SHOWERS AND THUNDERSTORMS WILL BE SCATTERED ACROSS NORTHEASTERN
WYOMING AND FAR WESTERN SOUTH DAKOTA THIS 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 SMALL HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A DAILY CHANCE FOR THUNDERSTORMS WEDNESDAY THROUGH THE
WEEKEND...HOWEVER WIDESPREAD 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

$$

BUNKERS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
631 PM CDT TUE AUG 4 2015

NDZ001>004-009>012-017>021-031>034-040>044-052345-
DIVIDE-BURKE-RENVILLE-BOTTINEAU-WILLIAMS-MOUNTRAIL-WARD-MCHENRY-
MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-GOLDEN VALLEY-BILLINGS-STARK-
MORTON-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-
631 PM CDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH
DAKOTA AND SOUTHWEST NORTH DAKOTA.

.DAY ONE...TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS ACROSS WESTERN AND MOST OF
CENTRAL NORTH DAKOTA TONIGHT. SEVERE WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY THROUGH THURSDAY...WITH
A FEW STRONG THUNDERSTORMS POSSIBLE CENTRAL WEDNESDAY.

THERE EXISTS A SLIGHT CHANCE OF THUNDERSTORMS FRIDAY NORTH AND FAR
SOUTH.

CHANCES FOR THUNDERSTORMS RETURN SATURDAY NIGHT THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
244 PM MDT TUE AUG 4 2015

MTZ028>042-056>058-063>068-WYZ098-099-052045-
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-
244 PM 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...THIS AFTERNOON AND TONIGHT

THE THREAT FOR THUNDERSTORMS WITH HEAVY RAINFALL CONTINUES OVER
SOUTHEAST MONTANA THROUGH MIDNIGHT TONIGHT. FLASH FLOODING IS
POSSIBLE OVER LOW LYING AREAS AND IN THE VICINITY OF RECENT BURN
SCARS. BE ALERT FOR FLOODED BACK COUNTRY ROADWAYS ESPECIALLY AFTER
SUNSET TONIGHT IN THESE AREAS. STORMS WILL DIMINISH AND SHIFT
EAST OF THE AREA LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

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

.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
334 PM CDT TUE AUG 4 2015

NEZ004>010-022>029-035>038-056>059-069>071-094-052045-
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-
334 PM CDT TUE AUG 4 2015 /234 PM MDT TUE AUG 4 2015/

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

.DAY ONE...TONIGHT.

THUNDERSTORM CHANCES WILL CONTINUE ACROSS WESTERN AND NORTH
CENTRAL NEBRASKA THIS EVENING AND TONIGHT. THE THREAT FOR SEVERE
WEATHER HAS GENERALLY SHIFTED SOUTH OF THE SANDHILLS
REGION...HOWEVER AN ISOLATED STORM PRODUCING HAIL AND GUSTY WINDS
CANNOT BE RULED OUT. THE PRIMARY THREAT WITH ANY THUNDERSTORM
ACTIVITY WILL BE DANGEROUS LIGHT AND HEAVY RAINFALL RATES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ISOLATED THUNDERSTORMS MAY LINGER INTO WEDNESDAY MORNING ACROSS
PARTS OF NORTH CENTRAL NEBRASKA. NO SEVERE WEATHER IS EXPECTED.

DAILY CHANCES FOR THUNDERSTORMS CONTINUE THURSDAY AND THROUGH THE
WEEKEND. A FEW STORMS MAY BE STRONG TO SEVERE WITH HAIL AND
DAMAGING WIND GUSTS...BUT A WIDESPREAD SEVERE WEATHER EVENT IS
NOT ANTICIPATED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

GET YOUR WEATHER...HYDROLOGICAL...AND CLIMATE INFORMATION AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE (ALL LOWERCASE)

$$

MARTIN

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 ABERDEEN SD
427 AM CDT TUE AUG 4 2015

SDZ003>006-009>011-015>020-022-023-033>037-045-048-051-050930-
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-
FAULK-SPINK-CLARK-CODINGTON-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-
HYDE-HAND-JONES-LYMAN-BUFFALO-
427 AM CDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL SOUTH
DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE TODAY...MAINLY FOR LOCATIONS ALONG AND
WEST OF THE MISSOURI RIVER VALLEY. WHILE WIDESPREAD SEVERE STORMS
ARE NOT EXPECTED...SOME THUNDERSTORMS COULD PRODUCE SMALL HAIL AND
LOCALLY HEAVY RAINFALL. ADDITIONAL THUNDERSTORMS ARE POSSIBLE
TONIGHT...MAINLY FOR AREAS ALONG AND WEST OF THE JAMES RIVER
VALLEY. SOME THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ADDITIONAL THUNDERSTORMS ARE POSSIBLE THROUGH THE WEEKEND. SOME
THUNDERSTORMS THURSDAY AFTERNOON COULD BECOME STRONG TO
SEVERE...MAINLY FOR LOCATI0NS ALONG AND EAST OF THE JAMES RIVER
VALLEY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
415 AM CDT TUE AUG 4 2015

IAZ001-012-013-020>022-031-032-MNZ098-NEZ013-014-SDZ038-039-050-
052>071-050915-
LYON IA-SIOUX-O`BRIEN-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-
ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-
LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-
CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN SD-BON HOMME-
YANKTON-CLAY SD-UNION-
415 AM CDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA...EAST CENTRAL
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH
DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS MAY DEVELOP ACROSS THE MISSOURI RIVER
CORRIDOR TODAY...THEN EXPAND OVER THE REMAINDER OF THE AREA TONIGHT.
THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

PERIODIC SHOWER AND THUNDERSTORM CHANCES WILL OCCUR INTO THE
BEGINNING OF NEXT WEEK. WHILE SEVERE WEATHER IS NOT EXPECTED FOR
MUCH OF THE PERIOD...THERE COULD BE AN ISOLATED STRONG TO SEVERE
STORM ON THURSDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

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.

$$

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