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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
342 AM MDT MON APR 21 2014

MTZ028>042-056>058-063>068-WYZ098-099-220945-
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-
342 AM MDT MON APR 21 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 TONIGHT IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ABOVE NORMAL TEMPERATURES WILL CONTINUE THROUGH TUESDAY RESULTING
IN SNOWMELT FROM AREA MOUNTAINS AND FOOTHILLS. THIS WILL LEAD TO
RISES ON STREAMS AND CREEKS FLOWING OUT OF THE FOOTHILLS THROUGH
AT LEAST WEDNESDAY.

A STORM SYSTEM WILL MOVE INTO THE AREA ON TUESDAY WITH SCATTERED
SHOWERS AND THUNDERSTORMS TUESDAY AFTERNOON INTO EARLY WEDNESDAY
MORNING. STRONG GUSTY WINDS WILL DEVELOP TUESDAY NIGHT AS A COLD
FRONT MOVES THROUGH AND WILL CONTINUE THROUGH THE DAY WEDNESDAY.
COOLER TEMPERATURES AND UNSETTLED CONDITIONS WILL PERSIST INTO
NEXT WEEK AS SEVERAL ADDITIONAL STORM SYSTEMS MOVE THROUGH THE
REGION.

.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

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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