Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
411 AM MDT Fri Apr 3 2026

WYZ001>020-022>030-041300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
411 AM MDT Fri Apr 3 2026

...Winter Storm Warnings and Winter Weather Advisories in effect for
western Wyoming through Friday afternoon...

...Winter Storm Warning in effect for the Bighorn Mountains and
northern Johnson County from this evening through Friday
afternoon...

...Winter Weather Advisories in effect for the eastern Bighorn
Basin, southeast Johnson County, and much of Natrona County from late
this evening through Friday afternoon.

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Snow continues today across western, central, and northern Wyoming.
The heaviest amounts will be across the Bighorn Mountains. Moderate
to at times heavy snow is also expected across northern Johnson
County before noon. Winter travel condition are expected over passes
and along the Interstate 90 Corridor.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
447 AM MDT Fri Apr 3 2026

WYZ013-023-040000-
/O.CON.KRIW.WW.Y.0014.000000T0000Z-260404T0000Z/
Jackson Hole-Star Valley-
Including the cities of Afton, Thayne, Jackson, Star Valley
Ranch, and Alpine
447 AM MDT Fri Apr 3 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Jackson Hole and Star Valley.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Friday morning and evening commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

Hazard Report Provided By forecast.weather.gov