National Weather Service United States Department of Commerce
Click a location below for detailed forecast.

Last Map Update: Tue, Mar. 21, 2023 at 12:07:27 am PDT

National Weather Service San Francisco Bay Area, CANational Weather Service San Joaquin Valley, CANational Weather Service Las Vegas, NV
National Weather Service Honolulu, HIZoom

National Weather Service NWS Phoenix
National Weather Service Honolulu, HINational Weather Service San Diego, CANational Weather Service San Diego, CA

Active weather is expected with light rain and mountain snow through this evening. A stronger storm will bring periods of moderate to heavy rain and mountain snow with lowering snow levels is expected Tuesday and Wednesday. Rainfall totals of 1-3 inches is expected for coasts and valleys with 3-6 inches for the lower mountains and foothills. Two to five feet of snow is likely above 6000 feet, 10 to 20 inches between 5000 and 6000 feet, and two to ten inches between 3500 and 5000 feet. Damaging winds gusts up to 55 mph for coasts and valleys and up to 75 mph possible for the mountains/deserts on Tuesday with downed trees and power outages possible. Urban and small stream flooding is possible. Expect slick roads with travel delays possible. Also prepare for winter driving in the mountains. There is also a significant threat of avalanches above 6000 feet.
A strong storm system Tuesday and Wednesday will bring hazardous marine conditions to the region. There is a slight chance of thunderstorms during this time. Wind gusts of 35 to 45 kts with local gusts to 50 kts are anticipated Tuesday. On Wednesday, winds will shift west and widespread gusts of 25 to 35 knots will be common. Along with the winds, seas will increase on Wednesday with hazardous heights of 8 to 14 feet likely across the waters. High surf of 8 to 13 feet will affect the beaches on Tuesday and Wednesday. Dangerous waves and rip currents can be expected over beaches and rocks. Mariners should be aware of the hazardous see conditions with steep waves.



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