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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
954 PM MDT FRI SEP 4 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 AM
MDT SUNDAY...

A VIGOROUS AND COLD LOW WILL IMPACT THE REGION INTO SUNDAY
MORNING BRINGING GRADUALLY FALLING SNOW LEVELS TONIGHT AND INTO
SUNDAY. SNOW LEVELS ACROSS THE CENTRAL MOUNTAINS WILL DROP TO
AROUND 7000 FEET BY SUNDAY MORNING...WITH 1 TO 4 INCHES OF SLUSHY
SNOW EXPECTED ABOVE 7000 FEET THROUGH SUNDAY MORNING. SNOW MAY
MIX IN WITH RAIN AT VALLEY FLOORS...ESPECIALLY SATURDAY NIGHT.
THOSE PLANNING OUTDOOR ACTIVITIES SHOULD PREPARE FOR THE COLD AND
WET WEATHER.

IDZ018-032-052100-
/O.CON.KPIH.WW.Y.0010.150905T1800Z-150906T1500Z/
SAWTOOTH MOUNTAINS-LOST RIVER/PASHIMEROI-
INCLUDING THE CITIES OF...STANLEY...CLAYTON...ARCO...CHALLIS...
MACKAY
954 PM MDT FRI SEP 4 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY
TO 9 AM MDT SUNDAY...

IMPACTS/TIMING...NOON SATURDAY THROUGH 9 AM SUNDAY. 1 TO 4 INCHES
OF SLUSHY SNOW...WITH LOCALLY HIGHER AMOUNTS ON PEAKS WILL MAKE
FOR COLD AND WET CONDITIONS FOR THOSE PLANNING OUTDOOR
ACTIVITIES. IN ADDITION...LOOK FOR REDUCED VISIBILITY AND SOME
SLUSHY CONDITIONS ON ROADS AT PASS LEVEL...PARTICULARLY AT NIGHT.

LOCATIONS IMPACTED: GALENA SUMMIT AND SAWTOOTH NATIONAL FOREST
AREAS ABOVE 7000 FEET.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
229 PM MDT FRI SEP 4 2015

...COLD & WET LABOR DAY WEEKEND STORM BRINGS ACCUMULATING SNOW TO
THE MOUNTAINS OF MONTANA & IDAHO...

IDZ009-010-052030-
/O.EXA.KMSO.WW.Y.0032.150905T1800Z-150906T1500Z/
229 PM MDT FRI SEP 4 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 AM
MDT SUNDAY ABOVE 6500 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW ABOVE 6500 FEET... WHICH IS IN EFFECT
FROM NOON SATURDAY TO 9 AM MDT SUNDAY.

* IMPACTS/TIMING: THE ARRIVAL OF HEAVIER PRECIPITATION AND COLDER
  AIR ALOFT WILL DRIVE THE SNOW LEVEL DOWN TO AROUND 6500 FEET
  LATE SATURDAY AFTERNOON AND OVERNIGHT INTO SUNDAY MORNING. WHILE
  A MIX OF RAIN AND SNOW ARE LIKELY AS LOW AS 6000 FEET... LIGHT
  ACCUMULATING SNOW IS ANTICIPATED GENERALLY ABOVE 6500 FEET.

* SNOW ACCUMULATIONS: TRACE AMOUNTS UP TO 1 SLUSHY INCH BETWEEN
  6500 FEET AND 7000 FEET. 1 TO 2 INCHES ARE POSSIBLE ABOVE 7000
  FEET.

* LOCATIONS IMPACTED: LOST TRAIL PASS...GILMORE SUMMIT...LONE
  PINE...WILLIAMS CREEK PASS...

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
229 PM MDT FRI SEP 4 2015

...COLD & WET LABOR DAY WEEKEND STORM BRINGS ACCUMULATING SNOW TO
THE MOUNTAINS OF MONTANA & IDAHO...

MTZ002-052030-
/O.CON.KMSO.WW.Y.0032.150905T1800Z-150906T1500Z/
229 PM MDT FRI SEP 4 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY
TO 9 AM MDT SUNDAY ABOVE 6500 FEET...

A WINTER WEATHER ADVISORY ABOVE 6500 FEET REMAINS IN EFFECT FROM
NOON SATURDAY TO 9 AM MDT SUNDAY.

* IMPACTS/TIMING: THE SNOW LEVEL WILL FALL TO 6500 FEET SATURDAY
  AFTERNOON WITH THE ARRIVAL OF HEAVIER PRECIPITATION AND COLDER
  AIR ALOFT. WHILE A MIX OF RAIN AND SNOW WILL BE POSSIBLE TO
  AROUND 6000 FEET... ACCUMULATING SNOW IS ANTICIPATED FROM 6500
  FEET AND ABOVE: INCLUDING LOGAN PASS.

* SNOW ACCUMULATIONS: 6000 FEET TO 6500 FEET: TRACE AMOUNTS UP
  TO A SLUSHY INCH. 6500 FEET TO 7000 FEET: 1 TO 4 INCHES. ABOVE
  7000 FEET: 2 TO 6 INCHES WITH LOCALLY HEAVIER AMOUNTS POSSIBLE
  ON THE HIGHEST PEAKS.

* LOCATIONS IMPACTED INCLUDE: LOGAN PASS, GLACIER NATIONAL PARK,
  BOB MARSHALL & GREAT BEAR WILDERNESS AREAS.


$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
229 PM MDT FRI SEP 4 2015

...COLD & WET LABOR DAY WEEKEND STORM BRINGS ACCUMULATING SNOW TO
THE MOUNTAINS OF MONTANA & IDAHO...

MTZ006-007-043-052030-
/O.CON.KMSO.WW.Y.0032.150905T1800Z-150906T1500Z/
229 PM MDT FRI SEP 4 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY
TO 9 AM MDT SUNDAY ABOVE 6500 FEET...

A WINTER WEATHER ADVISORY ABOVE 6500 FEET REMAINS IN EFFECT FROM
NOON SATURDAY TO 9 AM MDT SUNDAY.

* IMPACTS/TIMING: THE ARRIVAL OF HEAVIER PRECIPITATION AND
  COLDER AIR ALOFT WILL DRIVE THE SNOW LEVEL DOWN TO 6500 FEET
  SATURDAY AFTERNOON AND OVERNIGHT INTO SUNDAY MORNING. WHILE A
  MIX OF RAIN AND SNOW ARE LIKELY AS LOW AS 6000 FEET...
  ACCUMULATING SNOW IS ANTICIPATED GENERALLY ABOVE 6500 FEET.

* SNOW ACCUMULATIONS: 6000 FEET TO 6500 FEET: TRACE AMOUNTS UP
  TO A SLUSHY INCH. 6500FT TO 7500 FEET: 1/2 INCH UP TO 2
  INCHES. ABOVE 7500 FEET: 1 TO 4 INCHES WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE ON THE HIGHEST PEAKS.

* LOCATIONS IMPACTED: LOST TRAIL PASS... SKALKAHO PASS...
  BITTERROOT MOUNTAINS... ANACONDA-PINTLAR WILDERNESS AREA.

$$


Lake Wind Advisory


URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
843 PM MDT FRI SEP 4 2015

...GUSTY AND ERRATIC WIND EXPECTED FOR FORT PECK LAKE OVERNIGHT...

.A TIGHTLY WOUND LOW PRESSURE SYSTEM SPINNING THROUGH THE REGION
IS DIRECTING STRONG AND GUSTY WINDS ACROSS FORT PECK LAKE TONIGHT
WHICH IS EXPECTED TO CONTINUE WITH A FEW ROUNDS OF SHOWERS AND
THUNDERSTORMS THROUGH THE EARLY MORNING HOURS.

MTZ016-017-021>023-051000-
/O.NEW.KGGW.LW.Y.0036.150905T0243Z-150905T1800Z/
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
PETROLEUM-GARFIELD-MCCONE-
INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK...
HINSDALE...FRAZER...WINNETT...JORDAN...CIRCLE
843 PM MDT FRI SEP 4 2015

...LAKE WIND ADVISORY IN EFFECT UNTIL NOON MDT SATURDAY FOR FORT
PECK LAKE...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A LAKE WIND
ADVISORY FOR FORT PECK LAKE...WHICH IS IN EFFECT UNTIL NOON MDT
SATURDAY.

* TIMING...TONIGHT THROUGH SATURDAY MORNING

* WINDS...FROM THE EAST AND NORTHEAST AT 20 TO 30 MPH...BECOMING
  ERRATIC AND STRONGER WITH PASSING OVERNIGHT THUNDERSTORMS AS
  GUSTS UP TO 40 MPH.

* IMPACTS...SUDDEN AND ERRATIC SHIFTS IN WIND SPEED AND DIRECTION
  NEAR STORMS WILL MAKE THE OPEN WATERS OF THE LAKE ROUGH AND
  HAZARDOUS WITH HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BOATERS SHOULD USE EXTREME CAUTION IF VENTURING ONTO FORT PECK
LAKE. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS. STAY
CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$

HTTP://WEATHER.GOV/GLASGOW


Special Weather Statement


SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
121 AM CDT SAT SEP 5 2015

NDZ017-031>033-040-041-050700-
STARK ND-HETTINGER ND-MCKENZIE ND-BILLINGS ND-GOLDEN VALLEY ND-
SLOPE ND-
121 AM CDT SAT SEP 5 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN
HETTINGER...NORTHEASTERN SLOPE...NORTHERN GOLDEN VALLEY...WESTERN
STARK...BILLINGS AND SOUTHWESTERN MCKENZIE COUNTIES...

AT 120 AM CDT /1220 AM MDT/...DOPPLER RADAR WAS TRACKING A LINE OF
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES NORTH OF
SENTINEL BUTTE TO 5 MILES EAST OF AMIDON...AND MOVING NORTHEAST AT 40
MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
DICKINSON...AMIDON...BELFIELD...SOUTH HEART...MEDORA...SENTINEL
BUTTE...SKAAR...EAST FAIRVIEW...SOUTH FAIRFIELD...TROTTERS...
FAIRFIELD...SATHER DAM...SCHEFIELD...FRYBURG...DICKINSON REGIONAL
AIRPORT AND CARTWRIGHT.

VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4799 10404 4709 10302 4699 10304 4698 10291
      4672 10262 4637 10319 4709 10405
TIME...MOT...LOC 0620Z 216DEG 36KT 4711 10386 4649 10321

$$

SCHILD

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1219 AM MDT SAT SEP 5 2015

WYZ001-050830-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...CANYON...LAKE...MADISON...MAMMOTH...
OLD FAITHFUL...TOWER JUNCTION
1219 AM MDT SAT SEP 5 2015

THROUGH 2 AM...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL
CONTINUE SPREADING NORTHEAST ACROSS YELLOWSTONE. THE MAIN HAZARD
WITH THIS ACTIVITY WILL BE WIND GUSTS OF 30 TO 40 MPH.

$$

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1219 AM MDT SAT SEP 5 2015

WYZ002-050830-
ABSAROKA MOUNTAINS-
INCLUDING THE CITY OF...PAHASKA
1219 AM MDT SAT SEP 5 2015

THROUGH 2 AM...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL
CONTINUE SPREADING NORTHEAST ACROSS THE NORTHERN ABSAROKA
MOUNTAINS. THE MAIN HAZARD WITH THIS ACTIVITY WILL BE WIND GUSTS
OF 35 TO 45 MPH.

$$

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1219 AM MDT SAT SEP 5 2015

WYZ012-013-023-024-050830-
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-STAR VALLEY-
SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...JACKSON...AFTON...ALPINE...
FOSSIL BUTTE NATIONAL MON
1219 AM MDT SAT SEP 5 2015

THROUGH 2 AM...SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS
WILL CONTINUE SPREADING NORTHEAST ACROSS NORTHERN STAR
VALLEY...AND MUCH OF JACKSON HOLE AND SURROUNDING MOUNTAINS. THE
MAIN HAZARD WITH THIS ACTIVITY WILL BE WIND GUSTS OF 35 TO 45 MPH.

$$

21

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
1012 PM MDT FRI SEP 4 2015

IDZ017-020>023-050715-
CARIBOU HIGHLANDS ID-LOWER SNAKE RIVER PLAIN ID-
SOUTH CENTRAL HIGHLANDS ID-UPPER SNAKE RIVER PLAIN ID-
EASTERN MAGIC VALLEY ID-
1012 PM MDT FRI SEP 4 2015

...WINDS IN EXCESS OF 40 MPH FOR EASTERN LINCOLN...NORTHEASTERN
CASSIA...SOUTHWESTERN BINGHAM...POWER...SOUTHEASTERN BLAINE...CENTRAL
BANNOCK...SOUTHEASTERN BUTTE...MINIDOKA AND NORTH CENTRAL ONEIDA
COUNTIES UNTIL 115 AM MDT...

AT 1010 PM MDT...A STRONG COLD FRONT EXTENDED NORTH TO SOUTH ACROSS
THE MAGIC VALLEY FROM JUST EAST OF SHOSHONE SOUTHWARD TO JUST EAST
OF TWIN FALLS...AND MOVING EAST AT AROUND 45 MPH.

IMPACTS...SEVERAL LOCATIONS HAVE EXPERIENCED WIND GUSTS IN THE 40 TO
50 MPH RANGE BEHIND THIS COLD FRONT...WHICH MAY MAKE FOR DIFFICULT
DRIVING CONDITIONS.

IN ADDITION...AREAS OF BLOWING DUST WILL BE
EXPERIENCED...SIGNIFICANTLY LOWERING VISIBILITY.

BE ALERT FOR RAPIDLY CHANGING WINDS AND VISIBILITY ALONG INTERSTATE
86.

THESE WINDS SHOULD REACH BURLEY AROUND 1030 PM...AMERICAN FALLS
AROUND 1130 PM AND POCATELLO BY AROUND MIDNIGHT.

LOCATIONS IMPACTED INCLUDE...
POCATELLO...BURLEY...RUPERT...AMERICAN FALLS...HEYBURN...CAREY...LAKE
WALCOTT...AMERICAN FALLS RESERVOIR...NEELEY...CHUBBUCK...ABERDEEN...
PAUL...DOWNEY...DECLO...ROCKLAND...ALBION...MINIDOKA...ATOMIC CITY...
SOUTHWEST INL AND FORT HALL BUFFALO LODGE.

LAT...LON 4235 11393 4276 11393 4277 11396 4330 11400
      4356 11284 4243 11210
TIME...MOT...LOC 0410Z 248DEG 2KT 4331 11382 4242 11361

$$

AD

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
352 PM MDT FRI SEP 4 2015

WYZ001>020-022>030-051000-
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-
INCLUDING THE CITIES OF...CANYON...LAKE...MADISON...MAMMOTH...
OLD FAITHFUL...TOWER JUNCTION...PAHASKA...CODY...POWELL...
LOVELL...GREYBULL...THERMOPOLIS...WORLAND...BUFFALO...KAYCEE...
JACKSON...ATLANTIC CITY...DUBOIS...RIVERTON...LANDER...
JEFFREY CITY...BAIROIL...CASPER...AFTON...ALPINE...
FOSSIL BUTTE NATIONAL MON...PINEDALE...MARBLETON...LA BARGE...
BIG PINEY...EDEN...FARSON...KEMMERER...DIAMONDVILLE...
ROCK SPRINGS...GREEN RIVER...WAMSUTTER...SUPERIOR
352 PM MDT FRI SEP 4 2015

...COOLER WEATHER ON THE WAY LABOR DAY WEEKEND WITH SOME SNOW
POSSIBLE IN NORTHWEST WYOMING...

AN AREA OF LOW PRESSURE WILL TRACK ACROSS THE INTERMOUNTAIN WEST
SATURDAY AND SUNDAY. AFTER A WARM DAY ON SATURDAY...COOLER
TEMPERATURES CAN BE EXPECTED AS THIS WEATHER SYSTEM SWINGS A COLD
FRONT ACROSS THE STATE SATURDAY NIGHT. HIGH TEMPERATURES SUNDAY
WILL BE ABOUT 10 DEGREES BELOW NORMAL...WITH 50S WEST OF THE
CONTINENTAL DIVIDE AND 60S ELSEWHERE. OVERNIGHT LOWS MAY DIP
BELOW FREEZING BOTH SATURDAY NIGHT AND SUNDAY NIGHT IN THE WESTERN
VALLEYS AND BASINS.

THIS WEATHER SYSTEM WILL ALSO GENERATE AN INCREASING CHANCE OF
PRECIPITATION ALONG AND WEST OF THE CONTINENTAL DIVIDE BEGINNING
SATURDAY AFTERNOON AND CONTINUING INTO THE EARLY MORNING HOURS
SUNDAY. THE TIMING OF THE PRECIPITATION SATURDAY NIGHT COULD LEAD
TO SOME SNOW ACROSS NORTHWEST WYOMING...INCLUDING MUCH OF
YELLOWSTONE AND GRAND TETON NATIONAL PARKS. MINOR SNOW
ACCUMULATIONS OF 1 TO 2 INCHES COULD OCCUR ABOVE 9000 FEET ACROSS
NORTHWEST WYOMING...WHILE LITTLE OR NO SNOW ACCUMULATION IS
EXPECTED BELOW 9000 FEET. THE BEST CHANCE OF ACCUMULATING SNOW IN
THE NORTHWEST MOUNTAINS...WILL OCCUR WITH A BURST OF HEAVIER
PRECIPITATION ALONG THE COLD FRONT EARLY SATURDAY EVENING. ALSO
EXPECT STRONG WESTERLY WINDS TO DEVELOP IN WAKE OF THE COLD FRONT.

CONDITIONS WILL BE DRIER AND SLIGHTLY WARMER FOR LABOR DAY. HIGH
TEMPERATURES MONDAY WILL GENERALLY RANGE FROM 65 TO 75. ANY
PRECIPITATION WOULD BE CONFINED TO FAR NORTHWEST WYOMING AND THE
NORTHERN BIGHORN MOUNTAINS...BUT CHANCES LOOK LIMITED.


$$


Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
928 PM MDT FRI SEP 4 2015

WYZ001>020-022>030-051100-
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-
928 PM MDT FRI SEP 4 2015

RED FLAG WARNING FOR PORTIONS OF CENTRAL WYOMING FROM 1 PM
SATURDAY THROUGH 9 PM SUNDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST AND CENTRAL WYOMING.

.DAY ONE...TONIGHT

ISOLATED THUNDERSTORMS THROUGH AROUND MIDNIGHT TO 2 AM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SATURDAY AND SUNDAY...DRY GUSTY WINDS EXPECTED SATURDAY
AFTERNOON...PRIOR TO THE ARRIVAL OF A COLD FRONT. THE STRONGEST
WINDS LOOK TO BE OVER THE WIND CORRIDOR BETWEEN ROCK
SPRINGS...LANDER/RIVERTON...AND CASPER. FIRE DANGER COULD BE
EXTREME OVER PORTIONS OF THESE AREAS. COLD FRONT WILL THE MOVE
THROUGH THE AREA...STARTING IN WESTERN WYOMING SATURDAY EVENING.
COLDER TEMPERATURES ARE EXPECTED WITH THIS SYSTEM...WITH SOME
ACCUMULATING SNOW POSSIBLE OVER THE NORTHWESTERN MOUNTAINS. THIS
COLD FRONT WILL CONTINUE ACROSS THE AREA ON SUNDAY BEFORE LIFTING
NORTH. WITH THE PASSAGE OF THE COLD FRONT ON SUNDAY...CONDITIONS
WILL DRY OUT QUICKLY. FIRE WEATHER EXPECTED TO BE NEAR EXTREME
OVER PORTIONS OF CENTRAL WYOMING ONCE AGAIN. PLEASE SEE THE FIRE
WEATHER WATCH FOR ADDITIONAL DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
923 PM MDT FRI SEP 4 2015

MTZ028>042-056>058-063>068-WYZ098-099-060330-
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-
923 PM MDT FRI SEP 4 2015

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

.DAY ONE...TONIGHT

STRONG THUNDERSTORMS WITH FREQUENT LIGHTNING AND BRIEF HEAVY RAIN
ARE EXPECTED ACROSS PORTIONS OF FALLON...CARTER AND CUSTER
COUNTIES DURING THE EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

STRONG TO SEVERE THUNDERSTORMS WITH HAIL...STRONG WINDS...HEAVY
RAINFALL AND DANGEROUS LIGHTNING ARE EXPECTED LATE SATURDAY
AFTERNOON INTO THE EVENING. PLEASE MONITOR THE LATEST WEATHER
INFORMATION SHOULD STORMS APPROACH YOUR VICINITY.

ON SUNDAY...EXPECT DRY AND WINDY CONDITIONS WITH WEST WINDS
GUSTING FROM 35 TO 45 MPH.

.SPOTTER INFORMATION STATEMENT...

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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
1016 PM CDT FRI SEP 4 2015

NDZ001>004-009>012-017>021-031>034-040>045-060330-
DIVIDE-BURKE-RENVILLE-BOTTINEAU-WILLIAMS-MOUNTRAIL-WARD-MCHENRY-
MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-GOLDEN VALLEY-BILLINGS-STARK-
MORTON-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-
1016 PM CDT FRI SEP 4 2015 /916 PM MDT FRI SEP 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

EXPECT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT ACROSS WESTERN NORTH DAKOTA WITH SCATTERED SHOWERS AND
THUNDERSTORMS MOVING INTO CENTRAL NORTH DAKOTA TOWARD MORNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SATURDAY NIGHT.
SEVERE WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
546 PM MDT FRI SEP 4 2015

MTZ016>027-059>062-051100-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-SHERIDAN-WESTERN ROOSEVELT-PETROLEUM-GARFIELD-MCCONE-
RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
SOUTHWEST PHILLIPS-NORTHERN VALLEY-EASTERN ROOSEVELT-
546 PM MDT FRI SEP 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER TONIGHT
 IS LOW.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A STRONG STORM SYSTEM WILL BRING WIDESPREAD RAIN TO NORTHEAST
MONTANA THIS WEEKEND. AN UNSTABLE ATMOSPHERE SATURDAY AFTERNOON
AND EVENING MAY ALLOW A FEW SEVERE THUNDERSTORMS WITH LARGE HAIL
AND DAMAGING WINDS TO DEVELOP. STRONG WEST WINDS 20 TO 30 MPH ARE
EXPECTED ON SUNDAY WHICH WILL LIKELY REQUIRE A LAKE WIND ADVISORY
FOR FORT PECK LAKE.

.SPOTTER INFORMATION STATEMENT...

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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
211 PM MDT FRI SEP 4 2015

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-051315-
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-
211 PM MDT FRI SEP 4 2015 /311 PM CDT FRI SEP 4 2015/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS
NORTHEAST WYOMING AND WESTERN SOUTH DAKOTA VERY LATE THIS
AFTERNOON AND TONIGHT. ORGANIZED SEVERE THUNDERSTORMS ARE NOT
EXPECTED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE POSSIBLE SATURDAY AND SATURDAY
NIGHT...ESPECIALLY OVER NORTHEAST WYOMING AND NORTHWEST SOUTH
DAKOTA. ISOLATED SEVERE THUNDERSTORMS WITH LARGE HAIL OR DAMAGING
WINDS ARE POSSIBLE OVER FAR NORTHWEST SOUTH DAKOTA LATE SATURDAY
AFTERNOON AND EARLY EVENING.

.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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
430 AM CDT FRI SEP 4 2015

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-050930-
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-
430 AM CDT FRI SEP 4 2015 /330 AM MDT FRI SEP 4 2015/

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

THUNDERSTORMS WILL BE POSSIBLE DURING THE MORNING TODAY ACROSS THE
AREA. HEAVY RAIN WILL ALSO BE POSSIBLE WITH ANY STORMS ACROSS
EASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA DURING THE
AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS WITH HEAVY RAIN...AND A FEW REACHING SEVERE
LIMITS...ARE POSSIBLE SATURDAY AFTERNOON AND EVENING MAINLY ACROSS
EASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA.

.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