Potential Tornado Outbreak Today; Atmospheric River for the Northwest

Severe thunderstorm outbreak with tornadoes, wind damage, and large hail are expected today from parts of the southern Plains, eastward into the lower Mississippi Valley and central Gulf Coast states. Several long-track strong tornadoes are expected. Furthermore, excessive rainfall potential exists with flash flooding possible. For the western US, heavy precipitation and strong winds continue. Read More >

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Last Map Update: Sat, Dec 28, 2024 at 4:52:12 am PST

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

High Wind Warning

Winter Weather Advisory

Coastal Flood Advisory

High Surf Advisory

Dense Fog Advisory

Small Craft Advisory

Wind Advisory

Fire Weather Watch

Marine Weather Statement

Quarter Mile Visibility Probabilities This Morning

Dense Fog Safety

Wind Gust Probabilities

Sunday Snow Probabilities

Rain Chances Through Next Week

Here are the current probabilities for quarter mile visibilities at 8 AM this morning. A dense fog advisory has been issued for the San Joaquin Valley along the Highway 99 corridor until 11 AM PST Saturday. Slow down! Use low beam headlights. Keep plenty of distance between your vehicle and the vehicle in front of you.

Dense fog will overspread the San Joaquin Valley Saturday morning as visibility will drop below 1/4 mile during the morning hours. Drive with safety in mind.

A weak disturbance is expected to move through the region on Sunday, which may lead to strong winds along the Mojave Desert Slopes Sunday evening. Here are the current probabilities for wind gusts of 45 mph or higher at 10 PM on Sunday.

A weak disturbance may bring some additional snowfall to the Sierra Nevada around Yosemite National Park on Sunday. Here are the probabilities for 4 inches of snow or more through 4 PM Monday, which captures the Sunday system.

A weak disturbance is expected to move through the region on Sunday, bringing fairly light rain to the portion of the San Joaquin Valley north of Fresno. Locations south of Fresno have less than a 10 percent chance for a tenth of an inch of rain.