Simi Valley, CA Tornado History — 14 Tornadoes Since 1950
How many tornadoes has Simi Valley, CA had?
Simi Valley has had 14 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Simi Valley?
The most recent tornado within 25 miles of Simi Valley was an EF0 on February 13, 2025.
When is tornado season in Simi Valley?
January is historically the peak month for tornadoes near Simi Valley, with 4 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Simi Valley
The last 20 years of confirmed tornadoes within 25 miles — 3 total, averaging 0.1 per year over this window.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near Simi Valley been fatal?
No fatalities are on record within 25 miles of Simi Valley from any of the 14 tornadoes since 1950. NOAA Storm Prediction Center records.
Notable Tornadoes Near Simi Valley
About Tornadoes in Simi Valley
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Simi Valley, California has experienced 14 documented tornadoes within a 25-mile radius since 1950, according to the NOAA Storm Prediction Center. While tornadoes are relatively uncommon in Southern California compared to the central United States, the region does see occasional tornado activity, particularly during the winter and early spring months when atmospheric conditions align favorably for rotating storms.
The vast majority of tornadoes near Simi Valley have been weak, with 11 rated EF0 on the Enhanced Fujita scale, which measures tornado intensity based on damage. Two tornadoes reached EF1 intensity, and one reached EF2 strength. The EF2 tornado, which occurred on November 9, 1982, remains the most significant on record for the area, causing $2.75 million in property damage along a one-mile path with a maximum width of 150 yards. This event also stands as both the costliest and widest tornado documented near the city. The longest-tracked tornado was an EF0 that traveled 1.5 miles on January 21, 2010, though it caused no reported damage.
Tornado activity near Simi Valley has been distributed relatively evenly across the decades, with the 1990s seeing the most events at four tornadoes. The 1980s recorded three tornadoes, while the 1950s, 1960s, 1970s, 2010s, and 2020s each saw one or two events. January is the peak month for tornado occurrence in the area, accounting for four of the 14 recorded tornadoes, reflecting the influence of winter storm systems moving through California.
Notably, none of the tornadoes on record near Simi Valley have resulted in fatalities. The most recent tornado occurred on February 13, 2025, when an EF0 tornado with a maximum width of 20 yards traveled 0.6 miles without causing property damage. This ongoing pattern of weak, short-lived tornadoes reflects the typical characteristics of tornado activity in coastal Southern California.