National Weather Service United States Department of Commerce

A storm system will impact Central California Tuesday night through Wednesday night. Heavy snow should fall in the Southern Sierra Nevada above 5,000 feet, especially Wednesday morning through Wednesday evening. Intense rainfall rates are possible in the Mariposa, Madera, and Fresno County foothills Wednesday morning through Wednesday evening, resulting in the threat of mudslides, rockslides, and debris flow flooding , particularly in recently burned areas, such as the Ferguson burn scar in Mariposa County. Strong, gusty winds are expected in the San Joaquin Valley Tuesday night and Wednesday. Strong, gusty winds are expected in the Kern County mountains and desert Wednesday and Wednesday night. In the San Joaquin Valley, ponding of water on roadways may result in minor urban and street flooding.
A Winter Storm Watch is in effect for the Southern Sierra Nevada above 5,000 feet from 5 PM PDT Tuesday until 5 AM PDT Thursday. Snow levels will start at around 6,000 feet Tuesday night, before falling to about 5,000 feet Wednesday. The heaviest snowfall is expected Wednesday. Motorists should anticipate lengthy delays and slick, hazardous road conditions, as well as the potential for road closures above 5,000 feet. If you plan to travel, consider alternate strategies. If you must travel, remember to carry tire chains, plenty of food, a good deal of water, and warm clothing in your vehicle. For information on road conditions, including closures or delays, call Caltrans at 1-800-427-7623 or visit
A few strong thunderstorms are possible Wednesday ahead of and along a cold front. Funnel clouds, small hail, and wind gusts near 40 miles per hour are some of the 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.


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