Bay Area Faces Prolonged Dry Spell Amid Arctic Blast

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The Bay Area has been experiencing a prolonged dry spell since early January, with downtown San Francisco running about 20% below average precipitation for the month. Meteorologists attribute this to a high-pressure ridge caused by a blast of arctic air that has been affecting much of the country, including as far south as Miami. While there is no major rain in the forecast, the National Weather Service warns of potential coastal flooding from king tides expected to arrive in the Bay Area starting Thursday.

Why it matters

The dry spell is concerning for a region that typically experiences significant rainfall during the winter months. The lack of precipitation could have implications for water supply and drought conditions. Additionally, the potential for coastal flooding poses risks to infrastructure and public safety.

The details

According to National Weather Service meteorologist Rachel Kennedy, the high-pressure ridge is preventing storm systems from developing and arriving in the Bay Area, with low-pressure systems being deflected northwards toward Alaska. Kennedy noted that while winter dry spells in the Bay Area are not unusual, this one is "going on a little bit longer" than normal.

• The Bay Area has been under a serious dry spell since early January.
• King tides are expected to arrive in the Bay Area starting Thursday, January 30, 2026.

What they’re saying

What’s next

The National Weather Service will continue to monitor the situation and provide updates on the potential for coastal flooding as the king tides arrive.