News Details

Flood Watch Issued for Sunday through Monday Evening

The National Weather Service (NWS) has issued a Flood Watch for 4 p.m. Sunday through late Monday evening. The San Francisco Bay Shoreline and San Francisco Peninsula Coast is included in the Flood Watch. A Flood Watch means there is a potential for flooding based on current forecasts. Additional rainfall on already saturated soils can increase the threat for flash flooding, flooding of area creeks, streams and low lying, poorly drained areas across the region.The threat for rock/mud slides and shallow landslides also exists as well as increased likelihood for downed trees, power lines and damage to or washed out roadways.

The National Oceanic and Atmospheric Administration (NOAA) is predicting approximately 3 inches of rainfall from 10 a.m. to 10 p.m. Monday February 20, 2017. A San Francisquito Creek flow rate of 4,200 cfs is estimated to occur at 7 p.m. According to the San Francisquito Creek Joint Powers Authority(SFCJPA), the current San Francisquito Creek flow rate is 1,200 cfs. This flow has been decreasing since 7:30 a.m. when it peaked at 1,360 cfs. The predicted flow rate is below the creek capacity.  High tide of 6 feet is also expected at 8:45 p.m. Staff will continue to monitor the weather and creek flows and work with Caltrans and other agencies to address any issues that may occur.

You can monitor Palo Alto's creek levels here.

For real-time information about potential flooding on San Francisquito Creek, visit the San Francisquito Creek Joint Powers Authority’s (JPA) new Early Flood Warning System website where you can sign up for alerts. 

Rain, with thunderstorms are also possible after 4 p.m. until 10 p.m. in our area Monday. Some of the storms could produce heavy rainfall. Winds could also gust as high as 41 mph.

Rain and possibly thunderstorms are also possible on Tuesday. The chance of precipitation is 60 percent with new rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Palo Alto received a total of 7.68 inches of rain in January this year. The average historically has been 2.97 inches of rain in January.

Get the latest forecast for Palo Alto here.

Get Prepared

Besides having staff monitoring the storm, the City has sandbag stations at the following locations:

• Rinconada Park
• Mitchell Park
• Chaucer Street at Palo Alto Avenue
• Palo Alto Airport

Please note, all the pre-filled bags are gone and you must bring your shovel to fill the sandbags.

To report blocked storm drains, slides and fallen trees, call the Public Works after hours line at (650) 329-2413. Power outages can be reported at: (650) 496-6914.

The City encourages residents to stay aware of local conditions and to access updated information on creek levels, weather forecasts and more at:

Last Updated February 17, 2017