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Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
341 PM MST FRI FEB 27 2015

MTZ028-029-034-035-038>042-056>058-063>068-WYZ098-099-282245-
SOUTHERN WHEATLAND-MUSSELSHELL-NORTHERN STILLWATER-YELLOWSTONE-
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-
341 PM MST FRI FEB 27 2015

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

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER TONIGHT IS LOW.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

AFTER WARMER AND DRY CONDITIONS SUNDAY INTO EARLY MONDAY...A
POTENT STORM SYSTEM IS EXPECTED TO BRING A GOOD CHANCE OF SNOW AND
VERY COLD CANADIAN AIR MONDAY AFTERNOON INTO TUESDAY. SNOW
ACCUMULATIONS COULD BE SIGNIFICANT WITH THIS SYSTEM WEST OF A
ROUNDUP TO ASHLAND LINE...ESPECIALLY ALONG NORTH FACING FOOTHILLS
AND IN MOUNTAIN LOCATIONS. STAY TUNED TO THE LATEST FORECAST FOR
DETAILS ON THIS POTENTIAL WINTER STORM.

.SPOTTER INFORMATION STATEMENT...

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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
312 PM CST FRI FEB 27 2015

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-281145-
LYON IA-OSCEOLA-DICKINSON-SIOUX-O`BRIEN-CLAY IA-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN MN-LYON MN-MURRAY-COTTONWOOD-
NOBLES-JACKSON-PIPESTONE-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-
BROOKINGS-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-
312 PM CST FRI FEB 27 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

SOUTHERLY WINDS WILL INCREASE OVER PARTS OF SOUTHWEST MINNESOTA AND
NORTHWEST IOWA LATE TONIGHT AND COMBINE WITH COLD TEMPERATURES TO
PRODUCE WIND CHILLS OF 10 BELOW TO 20 BELOW ZERO.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

LIGHT SNOW MAY DEVELOP ACROSS NORTHWEST IOWA ON SATURDAY NIGHT.
ACCUMULATIONS ARE EXPECTED TO BE AN INCH OR LESS.

A MORE SIGNIFICANT STORM MAY AFFECT THE AREA MONDAY NIGHT INTO
TUESDAY. THERE IS STILL UNCERTAINTY WITH THIS SYSTEM...BUT THERE
WILL BE A POSSIBILITY OF ACCUMULATING SNOW ACROSS PORTIONS OF THE
AREA DURING THAT TIME FRAME. AT THIS POINT THE BETTER POTENTIAL
LOOKS TO BE THROUGH FAR SOUTHEASTERN SOUTH DAKOTA...NORTHWESTERN
IOWA AND PORTIONS OF SOUTHWESTERN MINNESOTA.

AFTER THE THREAT FOR SNOW PASSES COLD AIR WILL AGAIN SURGE INTO THE
AREA WITH READINGS LATE TUESDAY NIGHT INTO WEDNESDAY MORNING ABOUT
15 BELOW TO 25 BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MST FRI FEB 27 2015

WYZ001>020-022>030-281300-
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 MST FRI FEB 27 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

LIGHT SNOWFALL POSSIBLE TODAY ACROSS WESTERN WYOMING...WHICH COULD
MAKE ROADWAYS SLICK.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SATURDAY...ANOTHER COLD FRONT WILL PLUNGE SOUTH AND LOOKS FAVORABLE
TO BRING CHANCES OF SNOW TO MOST AREAS. THOUGH MANY AREAS WILL SEE
SOME OPPORTUNITY FOR SNOWFALL...THE HIGHER TOTALS ARE EXPECTED ACROSS
THE SOUTH.

MONDAY NIGHT AND TUESDAY...ANOTHER COLD STORM SYSTEM WILL BRING A
GOOD CHANCE OF SNOW TO MUCH OF THE AREA WITH THE POTENTIAL FOR WINTER
HIGHLIGHTS IN SOME AREAS ALONG WITH TRAVEL CONCERNS. THIS SYSTEM
WILL ALSO USHER IN BITTER COLD TEMPERATURES TUESDAY THROUGH
WEDNESDAY.

.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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