From: 2026/04/21, 11:02
To: 2026/04/22, 17:00

* WHAT...Heavy snow. Additional snow accumulations of up to 6 to 12 inches above 5000 feet, with up to 18 inches at the highest peaks. Minor accumulations of up to 2 inches possible down to 4500 feet. Southwest winds could gust as high as 50 mph. * WHERE...Northern Sierra Nevada and southern Cascades above 5000 feet, including Highway 50, Interstate 80 and Lassen Volcanic National Park. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday and Wednesday commutes. * ADDITIONAL DETAILS...Snow levels 5500 to 6500 feet today, lowering to 4500 to 5500 feet by early Wednesday. Locally lower snow levels possible in heavier convective showers. Heaviest snowfall expected this afternoon and evening with snowfall rates of 1 to 2 inches per hour at times.

From: 2026/04/21, 05:00
To: 2026/04/22, 17:00

* WHAT...Heavy snow above 6500 feet. Snow accumulations of 4 to 10 inches above 6500 feet with 12 to 18 inches along highest mountain peaks. 1 to 4 inches of snow possible at lake level, highest on the western shores. Wind gusts of 30 to 35 mph across lower elevations, including Lake Tahoe where wave heights reach 1 to 3 feet. Ridgetop winds gusting up to 90 mph at times. * WHERE...Greater Lake Tahoe Area. * WHEN...From 5 AM early this morning to 5 PM PDT Wednesday. * IMPACTS...Travel could be very difficult through Sierra passes. The hazardous conditions could impact the Tuesday and Wednesday commutes. Strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Heaviest snowfall expected late today morning through this afternoon. Heavier snow showers could result in locally greater snow totals. Isolated lightning is also possible along the Sierra crest today and Wednesday afternoons.