Casa Grande, AZ Tornado History — 24 Tornadoes Since 1950
How many tornadoes has Casa Grande, AZ had?
Casa Grande has had 24 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Casa Grande?
The most recent tornado within 25 miles of Casa Grande was an Unrated on March 7, 2024.
When is tornado season in Casa Grande?
September is historically the peak month for tornadoes near Casa Grande, with 6 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 Casa Grande
The last 20 years of confirmed tornadoes within 25 miles — 6 total, averaging 0.3 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 Casa Grande been fatal?
No fatalities are on record within 25 miles of Casa Grande from any of the 24 tornadoes since 1950, though 13 injuries have been reported. NOAA Storm Prediction Center records.
Notable Tornadoes Near Casa Grande
About Tornadoes in Casa Grande
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.
Casa Grande, Arizona has experienced 24 documented tornadoes within 25 miles of the city since 1950, according to the NOAA Storm Prediction Center. Unlike many regions where tornadoes peak in spring, Casa Grande's tornado activity reaches its highest point in September, with 6 events recorded during that month. This pattern reflects the influence of the North American Monsoon, which brings moisture and atmospheric instability to the Southwest during summer and early fall.
The distribution of tornadoes by decade shows considerable variation. The 1980s recorded the most activity with 7 tornadoes, followed by the 1970s with 6 events. The 1960s, 2010s, and 2020s each saw 3 tornadoes, while the 1990s had only 2 documented events. All rated tornadoes in the area have been classified as either EF0 or EF1 on the Enhanced Fujita scale, with 11 tornadoes in each category. Two additional tornadoes remain unrated in the historical record.
The costliest tornado on record struck on June 21, 1972, producing $2,750,000 in property damage with a path length of 1.0 mile and a maximum width of 1000 yards. The widest tornado occurred on July 22, 1984, reaching 1500 yards across while traveling 1.0 mile and causing $27,500 in damage. The longest-tracked tornado carved a 32.4-mile path on September 2, 1971, though it remained relatively narrow at just 10 yards wide and resulted in $275,000 in property damage. None of these events produced fatalities.
The most recent tornado touched down on March 7, 2024, traveling 0.3 miles with a maximum width of 40 yards. This unrated event caused no injuries or property damage. Throughout the entire period of record, no tornado within 25 miles of Casa Grande has resulted in a single fatality, reflecting both the generally weak intensity of tornadoes in this region and the area's lower population density compared to more tornado-prone parts of the country.