National Weather Service United States Department of Commerce

Hazardous Traveling Conditions for the Midwest; Strong Pacific Storm Approaching

A storm will track across portions of the Midwest and into the western Great Lakes through Friday as a combination of a wintry mixture and rain will result in hazardous traveling conditions. A strong Pacific system will be approaching with high winds, and heavier rain and snow late Friday into the weekend with impacts spreading across much of the West. Across Hawaii, strong winds and high surf. Read More >

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Last Map Update: Fri, Dec. 9, 2022 at 4:40:34 am PST

National Weather Service Sacramento, CANational Weather Service Reno, NVNational Weather Service Elko, NV
National Weather Service San Francisco Bay Area, CAZoom

National Weather Service Las Vegas, NV
National Weather Service Los Angeles, CANational Weather Service San Diego, CA

Extreme winter storm impacts are expected in the Sierra Nevada Saturday into early Monday morning due to snow load and snow amounts up to five feet. Travel is not advised.
A strong storm system will impact Central California this weekend. The majority of precipitation associated with this storm system will fall Saturday night and Sunday. Snow levels will start at around 4,000 feet Saturday, before rising to about 6,000 feet Saturday evening into Sunday morning. Snow levels will drop to around 3,000 feet by Sunday evening.
Strong southeast to south winds are possible in the northwest portion of the San Joaquin Valley and Coastal Range Saturday. Travel may be difficult, particularly for high profile vehicles, such as campers and tractor trailers. Highways affected include, but are not limited to Interstate 5, Highway 33, Highway 41, Highway 46, and Highway 152 through Pacheco Pass, Here are potential wind gusts valid at 3 PM PST Saturday, December 10th, 2022.
A few strong thunderstorms are possible north of Kern County Sunday. Small hail and wind gusts near 45 miles per hour are a couple of hazards associated with strong thunderstorms. In addition to dangerous cloud to ground lightning strikes, any thunderstorm can produce intense rainfall rates, leading to localized flooding.
A strong storm system will impact Central California this weekend, resulting in rain in the San Joaquin Valley. The majority of this rain will fall Saturday night and Sunday. Here are rain amount probabilities for select locations in the San Joaquin Valley from 10 AM PST Saturday, December 10th until 10 AM PST Sunday, December 11th, 2022.


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