Special Weather Statement
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
WWUS85 KRIW 051005
SPSRIW

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

WYZ001-002-012-014-015-024-052100-
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
TETON AND GROS VENTRE MOUNTAINS-WIND RIVER MOUNTAINS WEST-
WIND RIVER MOUNTAINS EAST-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...CANYON...LAKE...MADISON...MAMMOTH...
OLD FAITHFUL...TOWER JUNCTION...PAHASKA...ATLANTIC CITY...
FOSSIL BUTTE NATIONAL MON
405 AM MDT SAT SEP 5 2015

...SHARP COLD FRONT TO BRING COOLER TEMPERATURES AND POSSIBLE
MOUNTAIN SNOW THIS LABOR DAY WEEKEND...

AN AREA OF LOW PRESSURE...AND ITS ASSOCIATED COLD FRONT...WILL
PUSH ACROSS THE COWBOY STATE THIS HOLIDAY WEEKEND. WIDESPREAD
SHOWERS AND AFTERNOON THUNDERSTORMS WILL BE POSSIBLE AHEAD OF THIS
FRONT TODAY ACROSS WESTERN WYOMING. A FEW STORMS COULD PRODUCE
FREQUENT LIGHTNING AND GUSTY WINDS AT TIMES. THE MENTIONED COLD
FRONT WILL PUSH FROM WEST TO EAST LATE THIS AFTERNOON AND THROUGH
THIS EVENING. THIS COULD DEVELOP SNOW ABOVE 7500 FEET...WITH
SCATTERED RAIN SHOWERS BELOW. BY THE TIME SNOW DIMINISHES SUNDAY
MORNING...LITTLE ACCUMULATION IS EXPECTED BELOW 9500 FEET...WITH
1 TO 3 INCHES POSSIBLE ABOVE 9500 FEET.

DRY CONDITIONS ARE THEN EXPECTED FOR THE REST OF SUNDAY INTO LABOR
DAY. MUCH COOLER TEMPERATURES ARE EXPECTED FOR SUNDAY...WITH HIGHS
IN THE 40S AND 50S. MORNING LOWS ON MONDAY WILL BE IN THE 20S AND
LOW 30S...WITH SLIGHTLY WARMER DAYTIME HIGHS IN THE 50S AND 60S
EXPECTED.

$$

WYZ013-023-052100-
JACKSON HOLE-STAR VALLEY-
INCLUDING THE CITIES OF...JACKSON...AFTON...ALPINE
405 AM MDT SAT SEP 5 2015

...SHARP COLD FRONT TO BRING COOLER TEMPERATURES AND POSSIBLE
MOUNTAIN SNOW THIS LABOR DAY WEEKEND...

AN AREA OF LOW PRESSURE...AND ITS ASSOCIATED COLD FRONT...WILL
PUSH ACROSS THE COWBOY STATE THIS HOLIDAY WEEKEND. WIDESPREAD
SHOWERS AND AFTERNOON THUNDERSTORMS WILL BE POSSIBLE AHEAD OF THIS
FRONT TODAY ACROSS WESTERN WYOMING. A FEW STORMS COULD PRODUCE
FREQUENT LIGHTNING AND GUSTY WINDS AT TIMES. THE MENTIONED COLD
FRONT WILL PUSH FROM WEST TO EAST LATE THIS AFTERNOON AND THROUGH
THIS EVENING. THIS WILL BRING MAINLY SCATTERED RAIN SHOWERS ACROSS
THE JACKSON HOLE AND STAR VALLEYS...HOWEVER...SOME SNOW COULD
DEVELOP ABOVE 7500 FEET. LITTLE SNOW ACCUMULATION IS EXPECTED BY
THE TIME SNOW DIMINISHES SUNDAY MORNING.

DRY CONDITIONS ARE THEN EXPECTED FOR THE REST OF SUNDAY INTO LABOR
DAY. MUCH COOLER TEMPERATURES ARE EXPECTED FOR SUNDAY...WITH HIGHS
IN THE 40S AND 50S. MORNING LOWS ON MONDAY WILL BE IN THE 20S AND
LOW 30S...WITH SLIGHTLY WARMER DAYTIME HIGHS IN THE 50S AND 60S
EXPECTED.

$$

WYZ008-009-052100-
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
405 AM MDT SAT SEP 5 2015

...SHARP COLD FRONT TO BRING COOLER TEMPERATURES AND POSSIBLE
MOUNTAIN SNOW THIS LABOR DAY WEEKEND...

AN AREA OF LOW PRESSURE...AND ITS ASSOCIATED COLD FRONT...WILL
PUSH ACROSS THE COWBOY STATE THIS HOLIDAY WEEKEND. WIDESPREAD
AFTERNOON SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AHEAD OF
THIS FRONT TODAY ACROSS THE BIGHORN MOUNTAINS. A FEW STORMS COULD
PRODUCE FREQUENT LIGHTNING AND GUSTY WINDS AT TIMES. THE MENTIONED
COLD FRONT WILL PUSH ACROSS NORTHERN WYOMING LATE THIS EVENING.
THIS WILL BRING MAINLY SCATTERED RAIN SHOWERS ACROSS THE BIGHORN
MOUNTAINS. SOME SNOW COULD DEVELOP ABOVE 8500 FEET EARLY SUNDAY
MORNING...BUT LITTLE OR NO SNOW ACCUMULATIONS WILL OCCUR.

DRY CONDITIONS ARE THEN EXPECTED FOR THE REST OF SUNDAY INTO LABOR
DAY. MUCH COOLER TEMPERATURES ARE EXPECTED FOR SUNDAY...WITH HIGHS
IN THE 40S AND 50S. MORNING LOWS ON MONDAY WILL BE IN THE 20S AND
LOW 30S...WITH SLIGHTLY WARMER DAYTIME HIGHS IN THE 50S EXPECTED.

$$

WYZ003>007-010-011-016>020-022-052100-
CODY FOOTHILLS-NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
SOUTHEAST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-
INCLUDING THE CITIES OF...CODY...POWELL...LOVELL...GREYBULL...
THERMOPOLIS...WORLAND...BUFFALO...KAYCEE...DUBOIS...RIVERTON...
LANDER...JEFFREY CITY...BAIROIL...CASPER
405 AM MDT SAT SEP 5 2015

...SHARP COLD FRONT TO BRING COOLER TEMPERATURES AND ACTIVE
WEATHER TO START THE LABOR DAY WEEKEND...

AN AREA OF LOW PRESSURE...AND ITS ASSOCIATED COLD FRONT...WILL
PUSH ACROSS THE COWBOY STATE THIS HOLIDAY WEEKEND. ISOLATED TO
SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE
AHEAD OF THIS FRONT TODAY ACROSS CENTRAL WYOMING. A FEW STORMS
COULD PRODUCE FREQUENT LIGHTNING AND GUSTY WINDS AT TIMES. IN
ADDITION...DRY AND BREEZY WINDS AHEAD OF THE APPROACHING FRONT
COULD BRING ELEVATED TO EXTREME FIRE DANGER ACROSS CENTRAL WYOMING
THIS AFTERNOON. SEE THE RED FLAG WARNING FOR MORE DETAILS. THE
MENTIONED COLD FRONT WILL PUSH ACROSS CENTRAL WYOMING THIS EVENING
THROUGH THE OVERNIGHT HOURS. THIS WILL BRING MAINLY ISOLATED TO
SCATTERED RAIN SHOWERS ACROSS CENTRAL WYOMING THROUGH THE
OVERNIGHT HOURS....WITH MOUNTAIN SNOW ABOVE 8500 FEET EXPECTED
ACROSS WESTERN WYOMING. ANY LINGERING SHOWERS AND MOUNTAIN SNOW IS
THEN EXPECTED TO DIMINISH QUICKLY EARLY SUNDAY MORNING.

DRY...BUT WINDY CONDITIONS ARE THEN EXPECTED FOR THE REST OF
SUNDAY INTO LABOR DAY. MUCH COOLER TEMPERATURES ARE EXPECTED FOR
SUNDAY...WITH HIGHS IN THE 60S AND 70S. MORNING LOWS ON MONDAY
WILL BE IN THE 40S...WITH SLIGHTLY WARMER DAYTIME HIGHS IN THE 60S
AND 70S FOR CENTRAL WYOMING.

$$

WYZ025>030-052100-
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...PINEDALE...MARBLETON...LA BARGE...
BIG PINEY...EDEN...FARSON...KEMMERER...DIAMONDVILLE...
ROCK SPRINGS...GREEN RIVER...WAMSUTTER...SUPERIOR
405 AM MDT SAT SEP 5 2015

...SHARP COLD FRONT TO BRING COOLER TEMPERATURES AND ACTIVE
WEATHER TO START THE LABOR DAY WEEKEND...

AN AREA OF LOW PRESSURE...AND ITS ASSOCIATED COLD FRONT...WILL
PUSH ACROSS THE COWBOY STATE THIS HOLIDAY WEEKEND. ISOLATED TO
SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AHEAD OF
THIS FRONT LATE THIS MORNING THROUGH THE AFTERNOON...ACROSS
SOUTHWESTERN WYOMING. A FEW STORMS COULD PRODUCE FREQUENT
LIGHTNING AND GUSTY WINDS AT TIMES. THE MENTIONED COLD FRONT WILL
PUSH ACROSS SOUTHWEST WYOMING LATE THIS AFTERNOON INTO THE
EVENING. THIS WILL BRING MAINLY ISOLATED TO SCATTERED RAIN
SHOWERS ACROSS SOUTHWESTERN WYOMING THROUGH THE EARLY OVERNIGHT
HOURS....WITH MOUNTAIN SNOW ABOVE 8500 FEET. ANY LINGERING
SHOWERS AND MOUNTAIN SNOW IS THEN EXPECTED TO DIMINISH QUICKLY
EARLY SUNDAY MORNING.

DRY AND WINDY CONDITIONS ARE THEN EXPECTED FOR THE REST OF SUNDAY
INTO LABOR DAY. MUCH COOLER TEMPERATURES ARE EXPECTED FOR
SUNDAY...WITH HIGHS IN THE 60S. MORNING LOWS ON MONDAY WILL BE IN
THE 30S AND 40S...WITH SLIGHTLY WARMER DAYTIME HIGHS IN THE 60S
AND 70S FOR SOUTHWESTERN WYOMING.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.