December 21, 2025 - National Weather Service Hanford Office officials report a Winter Storm Warning for the Sierra Nevada is in effect in Yosemite National Park above 9,000 feet (highest peaks and Tioga Pass) continuing until next Friday (Dec 26th) afternoon.
A Winter Storm Watch (see below the Winter Storm Warning) has been issued for the remaining Sierra above 6,000 feet starting Tuesday afternoon.
Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE National Weather Service Hanford CA 350 AM PST Sun Dec 21 2025 CAZ323-212000- /O.CON.KHNX.WS.W.0010.000000T0000Z-251227T0000Z/ Yosemite NP outside of the valley- Including the cities of Tuolumne Meadows and Wawona 350 AM PST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 8 feet. Winds could gust as high as 50 mph. * WHERE...Yosemite NP outside of the valley. * WHEN...Until 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Snow levels around 8,000 to 9,000 feet until Monday, then 7,000 to 8,000 feet through Tuesday, and lowering to 6,000 feet by Christmas Day. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Watch
URGENT - WINTER WEATHER MESSAGE National Weather Service Hanford CA 350 AM PST Sun Dec 21 2025 CAZ326>331-212000- /O.CON.KHNX.WS.A.0008.251224T0000Z-251227T0100Z/ Upper San Joaquin River-Kaiser to Rodgers Ridge-Kings Canyon NP- Grant Grove Area-Sequoia NP-South End of the Upper Sierra- Including the cities of Florence Lake, Lake Wishon, Lodgepole, Shaver Lake, Giant Forest, Johnsondale, Cedar Grove, Hume Lake, Huntington Lake, Lake Thomas Edison, Grant Grove, and Devils Postpile 350 AM PST Sun Dec 21 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH FRIDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 3 to 5 feet possible. Winds could gust as high as 50 mph. * WHERE...A portion of central California. * WHEN...From Tuesday afternoon through Friday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels around 8,000 to 9,000 feet until Monday, then 7,000 to 8,000 feet through Tuesday, and lowering to 6,000 feet by Christmas Day. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.Source: NWS
