How many tornadoes has Lewiston, ID had?
Lewiston has had 6 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Lewiston?
The most recent tornado within 25 miles of Lewiston was an F0 on May 31, 1997.
When is tornado season in Lewiston?
May is historically the peak month for tornadoes near Lewiston, with 4 on record. April through June account for 6 of the 6 tornadoes on record near Lewiston.
At a Glance
Tornadoes Since 1950
6
Within search radius
Violent (EF3+)
0
0.0% of total
Peak Month
May
4 on record
Per Year Avg
0.1
Across 76 years
Tornadoes by Decade
1960s
2
1970s
1
1990s
3
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.
EF0
3
EF1
2
EF2
1
Tornadoes by Month
Jan
0
Feb
0
Mar
0
Apr
0
May
4
Jun
2
Jul
0
Aug
0
Sep
0
Oct
0
Nov
0
Dec
0
Have any tornadoes near Lewiston been fatal?
No fatalities are on record within 25 miles of Lewiston from any of the 6 tornadoes since 1950, according to NOAA Storm Prediction Center records.
Notable Tornadoes Near Lewiston
Costliest Tornado
F2 on May 8, 1962 — est. ~$28K (NOAA damage class, pre-1996 estimate).
Widest Tornado
F0 on May 31, 1997 — 23 yards wide.
Longest Path
F2 on May 8, 1962 — 9.1 mile track.
Most Recent
F0 on May 31, 1997.
What the record shows near Lewiston
The 1990s are the busiest decade on record so far near Lewiston, with 3 of the 6 confirmed tornadoes within 25 miles. The Lewiston record runs from the 1960s to today.
Of the tornadoes rated near Lewiston, 5 reached EF0 or EF1 and 1 reached EF2 or stronger. The most intense on record near Lewiston is rated EF2, of which 1 is logged.
Frequently Asked Questions
How many tornadoes has Lewiston, ID had?
Since 1950, 6 tornadoes have been recorded within 25 miles of Lewiston. Data source: NOAA Storm Prediction Center.
When is tornado season in Lewiston?
May is historically the peak month for tornadoes near Lewiston, with 4 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near Lewiston?
The most recent tornado within 25 miles of Lewiston was an F0 on May 31, 1997.
How do I get tornado warnings for Lewiston?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.
Get real-time tornado alerts for Lewiston
Vortex monitors NWS warnings, SPC outlooks, and live radar — with push + phone call alerts when storms threaten your location.
Open the Vortex app →