Winter Storm Warning Issued for Yellowstone National Park: Up to 20 Inches of Snow Expected
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Winter Storm Warning is in effect for Yellowstone National Park from Tuesday morning through Wednesday afternoon, with heavy snow and winds up to 30 mph expected.
Read this weather record in 30 seconds
- Record type
- Winter Storm Warning
- Affected area
- Yellowstone National Park
- Issued
- April 6, 2026
- Issuing authority
- NWS Riverton WY
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Yellowstone National Park.
Alert Details
The National Weather Service in Riverton, WY, has issued a Winter Storm Warning for Yellowstone National Park. This alert, classified as severe, indicates that heavy snow is likely to impact the region, creating hazardous conditions for residents and visitors.
Affected Areas
The warning specifically covers Yellowstone National Park. Snowfall totals are expected to vary significantly by elevation and location:
- Pitchstone Plateau (Southwest Yellowstone): 12 to 20 inches, with locally higher amounts exceeding 2 feet possible.
- Central Yellowstone: 6 to 12 inches.
- Lamar Valley and Mammoth: 1 to 4 inches.
What You Should Do
Officials advise that backcountry travel could be very difficult during this period. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. Graphical depictions of the snowfall forecast can be found at https://weather.gov/riw/winter.
Expected Conditions
In addition to heavy snow accumulations, the area will experience west winds ranging from 15 to 30 mph. The primary hazard is the significant snow accumulation, which will make travel through the park's backcountry particularly challenging.
Timeline
The Winter Storm Warning is in effect from 5:00 AM MST on Tuesday, February 24, until 5:00 PM MST on Wednesday, February 25, 2026.
Original source: NOAA Official Notice ↗
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