Severe Center
S. Nevada & SE California and NW Arizona Warnings, Watches, And Advisories Winter Storm Warning
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Winter Storm Warning
In effect:
Friday, Apr 17 2026 12:37 AM MDT – Friday, Apr 17 2026 6:00 PM MDT
Issued by NWS Riverton WY
WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
What:
Heavy snow. Additional snow accumulations up to two inches.
Winds gusting as high as 35 mph.
Heavy snow. Additional snow accumulations up to two inches.
Winds gusting as high as 35 mph.
Where:
Wind River Mountains East and Wind River Mountains West.
Wind River Mountains East and Wind River Mountains West.
When:
Until 6 PM MDT this evening.
Until 6 PM MDT this evening.
Impacts:
Travel could be difficult, especially across South Pass.
Strong winds will cause limited visibility.
Travel could be difficult, especially across South Pass.
Strong winds will cause limited visibility.
Instructions:
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
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 .
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
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 .
Areas Impacted:
Wind River Mountains West
Wind River Mountains East
Winter Storm Warning
In effect:
Friday, Apr 17 2026 12:37 AM MDT – Friday, Apr 17 2026 6:00 AM MDT
Issued by NWS Riverton WY
WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING
What:
Heavy snow. Additional snow accumulations of 1 to 3 inches.
Heavy snow. Additional snow accumulations of 1 to 3 inches.
Where:
Absaroka Mountains, Teton and Gros Ventre Mountains, and
Yellowstone National Park.
Absaroka Mountains, Teton and Gros Ventre Mountains, and
Yellowstone National Park.
When:
Until 6 AM MDT early this morning.
Until 6 AM MDT early this morning.
Impacts:
Travel could be very difficult, especially across Teton
Pass and Togwotee Pass. Strong winds will cause limited visibility.
Travel could be very difficult, especially across Teton
Pass and Togwotee Pass. Strong winds will cause limited visibility.
Instructions:
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
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 .
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
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 .
Areas Impacted:
Yellowstone National Park
Absaroka Mountains
Teton and Gros Ventre Mountains