Severe Weather and Heavy Rainfall Potential for the East; Active Weather Continues for the West

Strong Pacific storm will continue to bring heavy precipitation and strong winds across the western U.S. today. Across the east, the chance for strong to severe thunderstorms later today as low pressure tracks eastward. This system could redevelop into a coastal storm for the mid-Atlantic and Northeast corridors into Tuesday. Read More >

LOADING...

N Sierra Flood Watch

S Sierra Flood Watch

Winter Storm Warning

Wind Advisory

Thunderstorms

A Flash Flood Watch is in effect for the Sierra Nevada below 8,000 feet and adjacent foothills until 11 PM PDT Monday. A Flash Flood Watch means that conditions may develop that lead to flash flooding. Intense rainfall rates are likely in the Sierra Nevada and adjacent foothills below 8,000 feet, leading to a high threat of mudslides, rockslides, and debris flow flooding, particularly in recently burned areas. Some roads may become impassible or washed out, resulting in road closures. The heaviest rain will fall late Sunday and Monday morning.

A Flash Flood Watch is in effect for the Sierra Nevada below 8,000 feet and adjacent foothills until 11 PM PDT Monday. A Flash Flood Watch means that conditions may develop that lead to flash flooding. Intense rainfall rates are likely in the Sierra Nevada and adjacent foothills below 8,000 feet, leading to a high threat of mudslides, rockslides, and debris flow flooding, particularly in recently burned areas. Some roads may become impassible or washed out, resulting in road closures. The heaviest rains will fall late Sunday through Monday morning.

A Winter Storm Warning is in effect for the Sierra Nevada above 8,000 feet until 11 PM PDT Monday. The majority of this snow will fall late Sunday into Monday morning. Travel will be extremely difficult or impossible. Campers and hikers should be prepared for winter-like conditions. The weight of snow can break tree limbs/branches, so use caution when setting up camp location. If you plan to travel, consider alternate strategies. Be sure to carry chains/cables in vehicle. For information on road conditions, including closures or delays, call Caltrans at 1-800-427-7623.

A Wind Advisory is in effect for the Coastal Range until 11 AM PDT Monday morning. Travel will be difficult, particularly for high profile vehicles, such as campers and tractor trailers. Blowing dust may reduce visibilities suddenly. Highways affected include, but are not limited to Highway 33, Highway 41, Highway 46, Highway 152 through Pacheco Pass, and Highway 198 west of Interstate 5.

A few thunderstorms are possible in the San Joaquin Valley and foothills this afternoon. mainly north of Kern County. Small hail and wind gusts near 40 miles per hour are associated with strong thunderstorms. In addition to dangerous cloud to ground lightning strikes, any thunderstorm can produce intense rainfall rates, leading to localized flooding.