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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
531 AM PST SAT DEC 20 2014

IDZ002-003-026-027-WAZ031>036-041-211400-
COEUR D`ALENE AREA-IDAHO PALOUSE-LEWISTON AREA-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA-WENATCHEE AREA-
531 AM PST SAT DEC 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...EAST CENTRAL WASHINGTON...NORTH CENTRAL
WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

A PACIFIC STORM SYSTEM WILL BRING MODERATE RAIN AND MOUNTAIN SNOW
TO THE REGION TODAY AND TONIGHT. BREEZY AND GUSTY SOUHWEST WINDS
ARE EXPECTED TONIGHT THROUGH EARLY SUNDAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A SECOND STORM SYSTEM WILL BE POSSIBLE TUESDAY NIGHT AND
WEDNESDAY. THE THREAT FOR VALLEY SNOW IS LOW AT THIS TIME HOWEVER
THERE IS A MODERATE THREAT FOR HEAVY SNOW ON AREA MOUNTAIN PASSES.



$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
531 AM PST SAT DEC 20 2014

IDZ001-004-WAZ037-038-043-044-211400-
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
531 AM PST SAT DEC 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON AND NORTHEAST
WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

A MILD AND MOIST PACIFIC STORM SYSTEM WILL BRING MODERATE RAIN
AND MOUNTAIN SNOW TO THE REGION TODAY AND TONIGHT. LIGHT TO
LOCALLY MODERATE SNOW ACCUMULATIONS WILL BE POSSIBLE TO ELEVATIONS
NEAR 2000 FEET BEFORE SNOW LEVELS RISE BETWEEN 4000 AND 5000 FEET
THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A SECOND STORM SYSTEM WILL BRING THE POTENTIAL FOR MODERATE
MOUNTAIN SNOWS WITHIN THE TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
TIME-FRAME. CONFIDENCE IN THE CHRISTMAS EVE STORM REMAINS LOW TO
MODERATE.



$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
503 AM MST SAT DEC 20 2014

MTZ028>042-056>058-063>068-WYZ098-099-211215-
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-
503 AM MST SAT DEC 20 2014

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

.DAY ONE...TODAY AND TONIGHT

STRONG SOUTHWEST WINDS CAN BE EXPECTED IN THE LIVINGSTON...NYE
AND BIG TIMBER AREAS TONIGHT. GUSTS TO 65 MPH ARE
POSSIBLE...CAUSING DANGEROUS CROSS WINDS FOR TRAVELERS ON
I-90...AS WELL AS AREA ROADS AROUND NYE.

PERIODS OF HEAVY SNOW WILL IMPACT THE BEARTOOTH ABSAROKA
MOUNTAINS TONIGHT. A FOOT OR MORE OF SNOWFALL IS POSSIBLE ALONG
WEST AND NORTHWEST FACING SLOPES INCLUDING THE MOUNTAINS ABOVE
COOKE CITY BY MONDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

STRONG SOUTHWEST WINDS CAN BE EXPECTED IN THE LIVINGSTON...NYE
AND BIG TIMBER AREAS SUNDAY INTO MONDAY MORNING. GUSTS TO 65 MPH
ARE POSSIBLE...CAUSING DANGEROUS CROSS WINDS FOR TRAVELERS ON
I-90...AS WELL AS AREA ROADS AROUND NYE.

PERIODS OF HEAVY SNOW WILL IMPACT THE BEARTOOTH ABSAROKA
MOUNTAINS SUNDAY INTO MONDAY MORNING. A FOOT OR MORE OF SNOWFALL
IS POSSIBLE ALONG WEST AND NORTHWEST FACING SLOPES INCLUDING THE
MOUNTAINS ABOVE COOKE CITY BY MONDAY MORNING.

A STORM SYSTEM MAY IMPACT THE REGION OVER THE CHRISTMAS
HOLIDAY...THOUGH THE TRACK AND STRENGTH OF THIS POTENTIAL SYSTEM
REMAINS UNCERTAIN. IT IS STILL TOO EARLY TO PIN POINT SNOW
AMOUNTS BUT PEOPLE PLANNING TO TRAVEL ANY TIME FROM WEDNESDAY
THROUGH NEXT WEEKEND SHOULD CHECK THE LATEST FORECAST BEFORE
SETTING OUT.

.SPOTTER INFORMATION STATEMENT...

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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
328 AM MST SAT DEC 20 2014

WYZ001>020-022>030-211200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
328 AM MST SAT DEC 20 2014

...WINTER STORM WATCH FOR PORTIONS OF WESTERN WYOMING THIS EVENING
THROUGH MONDAY MORNING...

...HIGH WIND WATCH FOR THE CODY FOOTHILLS TONIGHT THROUGH 11 AM
SUNDAY...

...HIGH WIND WATCH SOUTHERN WYOMING SUNDAY AFTERNOON AND EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

PATCHY FOG IS POSSIBLE IN THE LOW LYING AROUND THE WIND RIVER
BASIN AND LANDER FOOTHILLS THIS MORNING...WHICH SHOULD LIFT BY THE
LATE MORNING HOURS.

STRONG WIND IS POSSIBLE ACROSS THE CODY FOOTHILLS TONIGHT...WITH
GUSTS UP TO 60 MPH POSSIBLE AROUND THE CLARK AREA. PLEASE SEE THE
HIGH WIND WATCH PRODUCT FOR ADDITIONAL DETAILS. ADDITIONALLY...
SNOWFALL ACROSS WESTERN WYOMING MAY INTENSIFY DURING THE EVENING
HOURS AND CONTINUE THROUGH THE OVERNIGHT HOURS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SUNDAY THROUGH MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED IN
WESTERN WYOMING. SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE POSSIBLE IN THE
WESTERN MOUNTAINS WITH THE LOWER ELEVATIONS AND VALLEYS POTENTIALLY
RECEIVING 5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.

VERY STRONG WINDS ARE EXPECTED ACROSS SWEETWATER COUNTY AND INTO THE
GREEN MOUNTAINS/RATTLESNAKE RANGE SUNDAY INTO MONDAY. STRONG WINDS
MAY ALSO BLOW SUNDAY NIGHT FROM DUBOIS TO RIVERTON.

WEDNESDAY NIGHT THROUGH CHRISTMAS DAY...A NEW STORM SYSTEM WILL
DEVELOP TO OUR WEST SPREADING SNOW FROM WEST TO EAST. THE POTENTIAL
FOR SIGNIFICANT SNOWFALL IS STILL A POSSIBILITY ACROSS CENTRAL
AND SOUTHWEST WYOMING ON CHRISTMAS DAY. COMPUTER MODELS HAVE
DIVERGED MORE TONIGHT SO STAY TUNED OVER THE NEXT SEVERAL DAYS ON
THIS POTENTIAL TRAVEL IMPACTING STORM.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO STRONG WINDS IN THE CODY FOOTHILLS
TONIGHT AND SNOWFALL IN THE FAR WEST. THANK YOU.

$$

TEAM RIVERTON

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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