Onalaska, WI Tornado History — 58 Tornadoes Since 1950
How many tornadoes has Onalaska, WI had?
Onalaska has had 58 tornadoes on record within 25 miles since 1950, including 3 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Onalaska?
The most recent tornado within 25 miles of Onalaska was an EF1 on June 25, 2025.
When is tornado season in Onalaska?
June is historically the peak month for tornadoes near Onalaska, with 18 on record. April through June account for 34 of the 58 tornadoes on record near Onalaska.
At a Glance
Recent Tornado Activity Near Onalaska
The last 20 years of confirmed tornadoes within 25 miles — 23 total, averaging 1.1 per year over this window.
What storm spotters reported near Onalaska
3 local storm reports have been filed within 25 miles of Onalaska and since confirmed into the NOAA archive, the earliest on June 25, 2025 and the most recent on June 25, 2025. They are already counted in the Onalaska totals above; quoted below is the narrative each reporting office filed at the time.
TDS noted on radar. (ARX)
911 Center reported tornado on the ground south of Hokah. (ARX)
EF-0. This brief tornado snapped some limbs off trees near Interstate 90 at Nodine Hill. Max wind 70 mph. (ARX)
Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.
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 Onalaska been fatal?
No fatalities are on record within 25 miles of Onalaska from any of the 58 tornadoes since 1950, though 17 injuries have been reported, according to NOAA Storm Prediction Center records.
Notable Tornadoes Near Onalaska
What the record shows near Onalaska
The 2020s are the busiest decade on record so far near Onalaska, with 11 of the 58 confirmed tornadoes within 25 miles. The Onalaska record runs from the 1950s to today.
Of the tornadoes rated near Onalaska, 47 reached EF0 or EF1 and 11 reached EF2 or stronger. The most intense on record near Onalaska is rated EF3, of which 3 are logged.
Across the last 20 years Onalaska has averaged 1.1 confirmed tornadoes a year within 25 miles, 23 in total. 2019 was the busiest of them with 5, and 12 of those years passed with none at all.