Winter Storm Warning for Sierra Nevada and Lassen Volcanic National Park
This alert is no longer in effect.
NOAA issued it on April 28, 2026, 3 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 parts of the Sierra Nevada and Lassen Volcanic National Park, with heavy snow and high winds expected from Tuesday to Wednesday.
Read this weather record in 30 seconds
- Record type
- Winter Storm Warning
- Affected area
- Sierra Nevada and Southern Cascades, California
- Issued
- April 28, 2026
- Issuing authority
- NWS Sacramento CA
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 3 months ago; use the issuing agency's live warning service for current conditions in Sierra Nevada and Southern Cascades, California.
Alert Details
A Winter Storm Warning has been issued by NWS Sacramento CA. It is effective from April 20, 2026, at 8:56 AM PDT, with the onset starting at 2 AM PDT on April 21, 2026.
Affected Areas
The warning affects Lassen Volcanic National Park; Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft; Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; and Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft.
What You Should Do
Residents should check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or by dialing 5 1 1 to prepare for potential travel difficulties.
Expected Conditions
Heavy snow is likely above 5000 feet, with total accumulations of up to 12 to 18 inches, and up to 2 feet at the highest peaks. Minor accumulations of up to 2 inches are possible down to 4500 feet. Southwest winds could gust as high as 50 mph. Snow levels will initially be 6000 to 7000 feet, lowering to 5500 to 6500 feet on Tuesday, and down to 4500 to 5500 feet on Wednesday, with heaviest snowfall rates of 1 to 2 inches per hour expected Tuesday afternoon and evening.
Timeline
The alert is effective from 2 AM PDT on April 21, 2026, and ends at 5 PM PDT on April 22, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,367 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 28, 2026.
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