Active Weather Alerts
Winter Storm Watch
Issued: 6:42 PM Feb. 22, 2026 – National Weather Service
...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH WEDNESDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations 12 to 18 inches over the Pitchstone Plateau of southwest Yellowstone National Park, 6 to 12 inches in central portions of Yellowstone, and between 1 and 4 inches in Lamar Valley and Mammoth. West wind 15 to 30 mph. * WHERE...Yellowstone National Park. * WHEN...From late Monday night through Wednesday morning. * IMPACTS...Backcountry travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. &&
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