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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
353 AM MDT SUN APR 20 2014

MTZ028>042-056>058-063>068-WYZ098-099-211000-
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 BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
353 AM MDT SUN APR 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

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER TODAY AND
TONIGHT IS LOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ABOVE NORMAL TEMPERATURES CAN BE EXPECTED THROUGH TUESDAY. THIS
WILL LEAD TO INCREASED MOUNTAIN SNOW MELT AND RISING WATER LEVELS
ON SOME RIVERS AND STREAMS. A PACIFIC STORM SYSTEM WILL BRING A
GOOD CHANCE OF SHOWERS AND THUNDERSTORMS AND MOUNTAIN SNOWFALL
TUESDAY AFTERNOON THROUGH THURSDAY. PLEASE MONITOR THE FORECAST
FOR YOUR AREA...AND BE AWARE OF INCREASED WATER LEVELS OVER THE
COMING DAYS.

.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
500 AM MDT SUN APR 20 2014

WYZ001>020-022>030-211100-
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-
500 AM MDT SUN APR 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS POSSIBLE SOUTH OF A MARBLETON TO KAYCEE LINE
THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY NIGHT AND TUESDAY...INCREASING RAIN SHOWERS AND THUNDERSTORMS
IN THE WEST.  VERY WARM AND WINDY CONDITIONS ACROSS THE CENTRAL AND
SOUTH TUESDAY WITH INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS
TUESDAY AFTERNOON AND EVENING MAY RESULT IN RAPID SNOWMELT AND
SIGNIFICANT RISES IN CREEKS AND STREAMS. THE WARM AND WINDY
CONDITIONS IN THE CENTRAL AND SOUTH WILL ALSO RESULT IN AN ELEVATED
FIRE DANGER. SIGNIFICANT SNOW SHOWERS IN THE WESTERN MOUNTAINS
BEGINNING LATE TUESDAY NIGHT.

WEDNESDAY AND WEDNESDAY NIGHT...SIGNIFICANT SNOW ACCUMULATIONS
POSSIBLE IN THE NORTHERN AND WESTERN MOUNTAINS. STRONG DOWNSLOPE
WINDS LIKELY ACROSS CENTRAL AND SOUTHERN WYOMING EARLY WEDNESDAY
MORNING INTO WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

TEAM RIVERTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
319 AM MDT SUN APR 20 2014

IDZ017>025-031-032-210930-
EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-
UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN-
SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-
319 AM MDT SUN APR 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

WINDS WILL BE BREEZY THIS MORNING. WIDESCALE IMPACTS ARE NOT
EXPECTED...BUT LOCALIZED AREAS OF BLOWING DUST ARE POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A SIGNIFICANT CHANGE IN THE WEATHER PATTERN WILL BRING SHOWERS AND
POSSIBLY THUNDERSTORMS TO THE REGION TUESDAY AND MAY LAST THROUGH
THURSDAY. SNOW LEVELS COULD BEGIN DROPPING TO 4500 FT BY TUESDAY
NIGHT THOUGH WE ARE NOT ANTICIPATING MUCH SNOW ACCUMULATION AT
THIS TIME...BUT THIS SYSTEM MAY BRING GUSTY WINDS TO THE AREA.

.SPOTTER INFORMATION STATEMENT...

WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT
WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY
INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL...
EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE
FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS
CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE
OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR
208-233-0834.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
626 AM PDT SAT APR 19 2014

IDZ002-003-026-027-WAZ032-033-035-036-201330-
COEUR D`ALENE AREA-IDAHO PALOUSE-LEWISTON AREA-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
UPPER COLUMBIA BASIN-SPOKANE AREA-
626 AM PDT SAT APR 19 2014

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

.DAY ONE...TODAY AND TONIGHT

THE WINDS WILL INCREASE LATER THIS MORNING AND CONTINUE INTO THIS
EVENING. SUSTAINED WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH WIND
GUSTS 35 TO 40 MPH. THE GUSTY WINDS MAY MAKE TRAVEL THIS
AFTERNOON INTO EARLY THIS EVENING DIFFICULT FOR HIGH PROFILE
VEHICLES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.



$$

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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