Weather Story
NWS Riverton, WY

Weather Stories from Neighboring Offices
Weather Story from the NWS office in Rapid City, SD
RIW Weather Story from the NWS office in Cheyenne, WY
Weather Story from the NWS office in Grand Junction, CO Weather Story from the NWS office in Denver/Boulder, CO

Graphical depiction of the weather story for today.


SYNOPSIS:
Northwest flow will become prevalent today and continue through the middle of the week. As a result, moderate to heavy snow will occur across western Wyoming with strong winds across the usual wind prone regions. Snow will continue across the west tonight into Monday, with some light snow possible east of the Divide. A Winter Storm Warning is in effect across western portions until late Monday morning. A High Wind Warning is also in effect for the Cody Foothills, sweetwater County, southwestern Natrona and southeastern Fremont counties. A High Wind Watch is also in effect for northern Johnson County and the Wind River Basin, from this evening to late Monday morning.




...WINTER STORM WARNINGS FOR MUCH OF WESTERN WYOMING TONIGHT
THROUGH MONDAY MORNING...

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

...HIGH WIND WARNINGS FOR SOUTHERN WYOMING FROM 5 AM TO 11 PM
SUNDAY...

...HIGH WIND WATCHES IN EFFECT FOR PORTIONS OF CENTRAL AND
NORTHEASTERN WYOMING LATE TONIGHT THROUGH MONDAY AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

SIGNIFICANT SNOWFALL WILL CONTINUE ACROSS THE WESTERN MOUNTAINS AND
VALLEYS TODAY. AREAS OF STRONG WIND WILL ACCOMPANY SNOWFALL
CREATING POTENTIALLY SIGNIFICANT BLOWING SNOW. WINTER STORM
WARNINGS HAVE BEEN ISSUED FOR THESE LOCATIONS. STRONG WIND WILL ALSO
IMPACT SOUTHERN WYOMING THROUGH THROUGH LATE EVENING HOURS...
ESPECIALLY THE INTERSTATE 80 CORRIDOR. HIGH WIND WARNINGS
REMAIN IN EFFECT FOR THESE AREAS. TONIGHT MAY ALSO SEE THE BEGINNING
OF STRONG WIND ACROSS THE WIND RIVER BASIN AND NORTHERN JOHNSON
COUNTY WHERE HIGH WIND WATCHES HAVE BEEN ISSUED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED IN WESTERN WYOMING.
TOTAL SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE POSSIBLE IN THE WESTERN
MOUNTAINS BY MONDAY MORNING WITH THE LOWER ELEVATIONS AND VALLEYS
POTENTIALLY RECEIVING 5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.
SNOW WILL TAPER OFF MONDAY MORNING.

STRONG WINDS MAY ALSO BLOW SUNDAY NIGHT FROM DUBOIS TO RIVERTON AND
ACROSS NORTHERN JOHNSON COUNTY.

WEDNESDAY NIGHT THROUGH CHRISTMAS DAY...A NEW STORM SYSTEM WILL
IMPACT THE REGION. THE POTENTIAL FOR SIGNIFICANT SNOWFALL IS
STILL A POSSIBILITY ACROSS CENTRAL AND SOUTHWEST WYOMING ON CHRISTMAS
DAY. THE EXACT TRACK OF THE STORM IS STILL UNCERTAIN. STAY TUNED
FOR UPDATES ON THIS STORM AND HOW IT MAY IMPACT HOLIDAY TRAVEL.



Current
Watches &
Warnings
Point-and-Click
Forecast Map

Grand Teton N.P. Forecast


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