FloodZoneMap.org

Flood — San Joaquin, CA

Nov 16, 2025

A secondary wave of precipitation brought additional rain, wind and light mountain snow from November 16th through November 17th. This led to additional flooding impacts in the Valley and foothills. 1 to 3 inches of rain were observed over this two day timeframe across most of the area, except in Shasta County where 2 to 5 inches were observed. There were also snow measurements of around 3 to 8 inches in the mountains generally above 6500 feet with this round. Southerly wind gusts of 25 to 45 m

Source: NOAA National Weather Service Storm Events Database (event 1300397). Narrative written by NWS staff at the time of the event.

Flood Risk Context for San Joaquin, CA

This event is one of many recorded floods in San Joaquin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View San Joaquin County flood data →

More Flood Stories

Flood$100K damage

San Joaquin, CA · Feb 9, 2017

Storms brought a range of significant weather impacts to northern interior California. The first storm was very wet and warm, the second not quite as wet but cooler with lower snow levels. Both storms brought strong, damaging winds.

Read the full account →
Flood

San Joaquin, CA · Feb 4, 2025

A strong winter storm brought heavy mountain snow, moderate to heavy rain with river and roadway flooding, and gusty southerly winds February 3rd through 5th.

Read the full account →
Flood

San Joaquin, CA · Feb 13, 2025

A strong winter storm from late February 12th into Friday, February 14th brought heavy snow, rain, and gusty winds. This brought from 1 to 6 inches of rain, with totals of 2 to nearly 4 feet of heavy snow above 4500 feet.

Read the full account →
Flood

San Joaquin, CA · Dec 25, 2025

A prolonged period of wet weather brought heavy snowfall and strong winds to the Sierra Nevada. Heaviest snowfall was observed from 12/24-12/26 when snow levels came down below the mountain passes.

Read the full account →