Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

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Last Map Update: Sun, Jan 18, 2026 at 11:34:23 pm PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Dense Fog Advisory

Beach Hazards Statement

Forecast Highs

Morning Fog

8-14 Precipitation Outlook

8-14 Temperature Outlook

Forecast high temperatures for today, January 18, 2026.

Areas of morning fog are expected to develop over the next several days across portions of the Delta, Sacramento Valley, and northern San Joaquin Valley. Keep these tips in mind if you encounter any fog.