San Joaquin storm history
Storm events recorded in San Joaquin, California between 1950 and 2025.
102
Total events
19
Tornadoes
4
Hail
43
Floods
0
Deaths
$111.1M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
San Joaquin County completed a preliminary estimate of damage from flooding. There was substantial flooding, with around $24.7million in individual assistance/private property loss including 172 properties destroyed and 194 properties with major damage. There was around $82 milli…
Flood Flood
California Highway Patrol reported a rockslide in the westbound lane of State Route 88 from heavy rain.
Flood Flood
California Highway Patrol reported roadway flooding at Wilcox Road. Portions of the street were under 2 to 3 feet of water.
Flood Flood
California Highway Patrol reported roadway flooding across both lanes at Comstock Road and Tully Road.
Flood Flood
California Highway Patrol reported roadway flooding across both lanes at Comstock Road and Tully Road.
Flood Flood
California Highway Patrol reported roadway flooding on the on and off ramps near California State Route 99 and Wilson Way.
Flood Flood
Eight inches of water on right hand side of road, starting to encroach on the slow lane at SR 99 and East Victor Rd from heavy rain.
Flood Flood
California Highway Patrol reported significant flooding across State Route 99 leading to road closure.
Flood Flood
The Ben Holt Offramp to March Lane is starting to pool and flood.
Flood Flood
California Highway of Patrol reports the Alpine Ave on-ramp to I-5 N is flooded.
Flood Flood
California Highway Patrol reported roadway flooding from heavy rain.
Flood Flood
California Highway Patrol reported roadway flooding from heavy rain.
Flood Flood
California Highway Patrol reported roadway flooding along West Patterson Road between 580 and Midway.
Flood Flood
CHP reported roadway flooding at Lower Sacramento Rd. and E Woodson Rd.
Flood Flood
San Joaquin County Sheriff issued evacuation orders for 2 locations along the San Joaquin River starting on March 19, 2023. Those two locations include Airport Court, Manteca and Haven Acres Marina in Lathrop due to heavy rain and snowmelt. Evacuation orders were lifted on April …
Flood Flood
Law enforcement reported roadway flooding across all lanes at State Route 120 West and Interstate 5 South.
Funnel Cloud Funnel Cloud
A National Weather Service employee as well as multiple reports on social media confirmed a funnel cloud east of Tracy at 1321 PDT. The time and location was estimated from radar.
Flood Flood
California Highway Patrol in Stockton reported roadway flooding leading to the road closure near Filbert Street Off Ramp and Highway 4.
Hail Hail
The public reported hail with hail stones up to an inch in Stockton. Time was estimated from radar.
Hail Hail
The public reported hail up to quarter size along Highway 26 near Beyer Lane. Photos confirmed this. The Time was estimated by radar.
Flood Flood
The California Highway Patrol reported flooding near the Corral Hollow Rd and West Linne Road near the creek. Water was reported to be over the roadway.
Flood Flood
San Joaquin OES reported significant flooding at Arbor Mobile Home Park in Acampo resulting in evacuations of residents.
Flood Flood
Numerous reports of roadway flooding by CHP in Stockton including northbound Interstate 5 on March offramp and southbound interstate 5 at Crosstown Freeway.
Flood Flood
California Highway Patrol reported the closure of Woodbridge Road east of Highway 99 due to flooding.
Flood Flood
California Highway Patrol reported northbound and southbound lanes flooded along Clements Road near Brandt Road.
Flood Flood
Roadway flooding near Woodbridge Rd. in Lodi, reported by the California Highway Patrol.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind caused damage to metal roofing and siding on a hay barn, with the time estimated from radar.
Flood Flood
The California Highway Patrol reported Lower Sacramento Road at Woodson Road closed due to 4 feet of water.
Flood Flood
The on-ramp at Wilson Way to Eastbound 4 was fully closed due to flooding.
Flood Flood
Caltrans reported Eastbound and Westbound 4 were fully closed From Buckman Road to Waverly Road due to roadway wash-out/slip-out.
Flood Flood
Both lanes were flooded at the intersection of S. Chrisman Rd/W. Durham Ferry Rd.
Flood Flood
Roadway flooding was reported in Stockton by the California Highway Patrol between Interstate 5 northbound and Downing Ave.
Flood Flood
Roadway flooding was reported on northbound Interstate 5 near Benjamin Holt Drive by the California Highway Patrol.
Flood Flood
The California Highway Patrol reported a flooded intersection at Liberty Rd. and Dustin Rd.
Flood Flood
Roadway flooding at Hammer Ln underpass at the railroad tracks just east of Lorraine Ave.
Flood Flood
Corral Hollow Rd closed between Highway 580 and the Alameda County line due to mudslides, multiple reports of road closures due to roadway flooding across San Joaquin County.
Flood Flood
Flooding reported near the Highway 99 and State Route 26 off ramp, and in the second and third lanes.
Flood Flood
California Highway Patrol reported roadway flooding in Stockton and near the intersection of E. Baker Rd. and Jack Tone Rd. near Waterloo, CA.
Tornado EFU Tornado
A brief, weak EF-U tornado touched down in a field with no reports of damage or injury. Video evidence received from trained weather spotter. Peak wind unknown with a width of less than 50 feet and path length of less than 100 feet.
Heavy Rain Heavy Rain
Heavy rain was reported in San Joaquin County. Reported storm totals reached 6.06 inches to 6.17 inches reported by a CoCoRaHS station near Linden.
Flood Flood
California Highway Patrol reported flooding on one lane of the freeway at state route 99 north and state route 120 east interchange due to isolated thunderstorm.
Heavy Rain Heavy Rain
There was 1.44 inches of rain reported at a HADS Stockton Fire Station in 1 hour. Some local roadway flooding was observed in the area.
Flash Flood Flash Flood
There were numerous reports of roadway flooding in Stockton due to heavy rain and large amounts of small accumulating hail on May 19th. Law enforcement reported March Lane and Quail Lakes being shut down along with Hammer Lane between Lorraine Ave and Girardi Way due to flooding.
Funnel Cloud Funnel Cloud
A funnel cloud was reported with a storm north of Tracy around 5:45 pm PDT on May 19th. No touchdown or damage was observed.
Funnel Cloud Funnel Cloud
A second funnel cloud was reported with a storm north of Tracy around 5:50 pm PDT on May 19th. No touchdown or damage was observed.
Flood Flood
The media reported that part of New Hope Marina Trailer Park flooded. Local law enforcement arrived to help residents evacuate the area. The manager of the trailer part said that most residents evacuated or moved trailers on their own.
Flood Flood
Stockton police reported road flooding at Claremont Avenue and Sousa Street, Stockton and has closed both directions of the road.
Funnel Cloud Funnel Cloud
Two funnel clouds were observed northeast of Bellotta, Twitter Report.
Heavy Rain Heavy Rain
Roadway flooding at 4th St. and Hekman Circle. A vehicle was stalled on a flooded road.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 7 | 0 |
| 2024 | 5 | 0 |
| 2023 | 22 | 0 |
| 2022 | 5 | 1 |
| 2021 | 1 | 0 |
| 2020 | 1 | 0 |
| 2019 | 7 | 0 |
| 2018 | 5 | 0 |
| 2017 | 2 | 0 |
| 2014 | 1 | 0 |
| 2013 | 1 | 0 |
| 2012 | 1 | 1 |
| 2009 | 2 | 0 |
| 2008 | 2 | 0 |
| 2007 | 5 | 0 |
| 2006 | 1 | 0 |
| 2005 | 5 | 2 |
| 2000 | 2 | 0 |
| 1998 | 9 | 1 |
| 1997 | 1 | 0 |
| 1996 | 6 | 4 |
| 1991 | 1 | 1 |
| 1988 | 2 | 1 |
| 1982 | 1 | 1 |
| 1981 | 2 | 2 |
| 1978 | 1 | 1 |
| 1971 | 1 | 1 |
| 1970 | 1 | 1 |
| 1969 | 1 | 1 |
| 1967 | 1 | 1 |