Ada County, Idaho
Tornadoes, hail, floods and severe storms recorded here between 1956 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
13
Tornado reports
41
Hail reports
23
Floods since 1996
222
All events
0
Deaths
$5.7M
Property damage
Tornado paths in Ada County
The part of each tornado’s path NOAA recorded in this county, 13 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
The BOI ASOS measured a wind gust of 68 MPH and several reports were received for wind damage including downed trees and power lines. Minor injuries were reported from the Western Idaho Fair as a result of temporary structures collapsing.
The Boise River remained in flood during the entire month of May due to planned release from Lucky Peak dam. Regulated flows were above flood stage for 101 days resulting in extensive damage to the Greenbelt and Nature Trail paths. Extensive flood fight efforts continued in the E…
Thunderstorm Wind Thunderstorm Wind
Mesonet station CP2T11 measured a 72 mph wind gust associated with thunderstorm outflow.
Thunderstorm Wind Thunderstorm Wind
A 68 mph wind gust was recorded at the Boise Airport, associated with thunderstorm outflow.
Thunderstorm Wind Thunderstorm Wind
Idaho Transportation Department Mesonet ITD03 measured a 59 mph wind gust associated with thunderstorm outflow.
Thunderstorm Wind Thunderstorm Wind
Numerous reports of trees downed or large branches snapped throughout the Boise metropolitan area. The two points were based on two reports that reasonably capture the south to north extent of damage, with timing estimated by radar. Reports of storm damage extend as far west as C…
Thunderstorm Wind Thunderstorm Wind
Public reported a tree branch broken off. Photo suggests the large branch was broken off where it connects to the trunk. Based on nearby reports, it is reasonable to assume this damage was associated with a thunderstorm gust of at least 58 mph.
Thunderstorm Wind Thunderstorm Wind
Public report of heavy roof damage to a cargo facility located on the airport. The report was later confirmed by an FAA official and photos showing portions of the roof blown off by a thunderstorm gust. Gusts estimated to be at least 60 mph.
Thunderstorm Wind Thunderstorm Wind
At 328pm MST, the Crestline RAWS reported a thunderstorm wind gust of 59 mph.
Thunderstorm Wind Thunderstorm Wind
At 540pm MST, Idaho Power mesonet station W3T7 measured a 58 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
The Idaho Transportation Department's Valley Interchange weather station south of Hazelton reported a 66 mph gust as a line of showers and embedded thunderstorms move through.
Debris Flow Debris Flow
On the east side of the Valley Fire burn scar, heavy rainfall with a peak rain rate of 7 inches per hour caused a slurry of mud, ash, and debris to flow down eastern Highland Valley Rd, depositing nearly a foot of debris on the road with running water estimated at 12 inches high.…
Debris Flow Debris Flow
Heavy rainfall rates on the recent Valley Fire burn scar created a debris flow that ran down the entire length of Highland Valley, half of which flowed into the Boise River and the other half into a canal. The slurry heavily impacted a community along Warm Springs, running water/…
Debris Flow Debris Flow
Following the debris flow that impacted the community at the bottom of Highland Valley, the half of the flow that entered the canal followed the canal into another community near Barber. The flow was so high it crested a canal culvert and began flowing down streets of the suburba…
Flash Flood Flash Flood
A training thunderstorm persisted near Arrowrock Dam for about 45 minutes with rain rates between 3 and 6 inches per hour. Rocky cliff faces and steep valleys allowed water to accumulate, though soil/brush retention absorbed most of the rain. While Arrowrock Road was still drivab…
Thunderstorm Wind Thunderstorm Wind
Mesonet station IDARNG2_RG14 measured a wind gust of 63 mph as a thunderstorm outflow passed. This outflow continued into Elmore county. No damages were reported.
Thunderstorm Wind Thunderstorm Wind
The ASOS station at the Boise airport reported a high wind gust from a thunderstorm outflow boundary.
Thunderstorm Wind Thunderstorm Wind
A large spruce tree was knocked down at Morris Hill Cemetery.
Thunderstorm Wind Thunderstorm Wind
The public reported a large spruce tree down.
Thunderstorm Wind Thunderstorm Wind
The public reported a large spruce tree was knocked down along with old juniper trees. Idaho Power reported that this caused 2000 customers to be without power in the Boise North End.
Thunderstorm Wind Thunderstorm Wind
The Crestline Trail RAWS measured this wind gust.
Thunderstorm Wind Thunderstorm Wind
A strong outflow boundary from a thunderstorm damaged several power lines around the Boise metropolitan area and Garden Valley. Around 2,000-3,000 people were estimated to be without power in both of those regions due to wind damage.
Heavy Rain Heavy Rain
The mesonet station, LLAI1, at the Boise WFO measured 0.72 inches of rain.
Hail Hail
An NWS Employee measured 0.75 inch hail from this storm.
Hail Hail
A member of the public measured 1.0 inch hail from this storm.
Hail Hail
A member of the public measured 1.0 inch hail from this storm.
Thunderstorm Wind Thunderstorm Wind
A member of the public reported their portable shed was lifted and damaged siding on their house from the outflow wind gust from a thunderstorm near Kuna, ID.
Heavy Rain Heavy Rain
The official NWS measurement after a 24 hour period was 2.42 inches of rain.
Heavy Rain Heavy Rain
The mesonet station LLAI1 at Boise measured 2.42 inches of heavy rain.
Heavy Rain Heavy Rain
The mesonet station FW9039 in Boise measured 1.25 inches of heavy rain.
Heavy Rain Heavy Rain
The ASOS at the Boise airport measured 0.73 inches of rain. The mesonet station GW0891 one mile south of Boise measured 0.81 inches of rain.
Flood Flood
Street flooding with eight inches of standing water over the roads in Eagle was reported.
Thunderstorm Wind Thunderstorm Wind
A large tree was reported down across the Greenbelt Bike Path.
Thunderstorm Wind Thunderstorm Wind
A tree fell on Park Center Boulevard and Highland Street, which blocked several lanes.
Thunderstorm Wind Thunderstorm Wind
There were numerous reports of tree damage with large branches down on social media.
Thunderstorm Wind Thunderstorm Wind
An NWS employee reported 50 knots of wind in southeast Boise.
Thunderstorm Wind Thunderstorm Wind
The mesonet station, TT289, on Crestline Trail, measured 50 knots of wind.
Thunderstorm Wind Thunderstorm Wind
An NWS employee measured a wind gust of 50 knots in downtown Boise.
Thunderstorm Wind Thunderstorm Wind
The mesonet station, TT289, on Crestline Trail measured 50 knots of wind.
Flash Flood Flash Flood
Thunderstorms produced heavy rain across portions of the Lower Treasure Valley, including the city of Boise. Social media, weather spotter, and emergency manager reports indicated localized flooding.
Tornado EF0 Tornado
Several photos of a land spout near Highway 16 and Broken Arrow Lane.
Thunderstorm Wind Thunderstorm Wind
A fence was knocked down in the Boise Bench at a residential property.
Thunderstorm Wind Thunderstorm Wind
A large tree branch was knocked down in a residential property in the West Bench neighborhood.
Thunderstorm Wind Thunderstorm Wind
A few rotten trees were knocked down south of Meridian.
Thunderstorm Wind Thunderstorm Wind
A large tree was knocked down on the Boise Bench.
Thunderstorm Wind Thunderstorm Wind
A couple of large trees were knocked down near Quinn's Pond on the Boise Greenbelt.
Thunderstorm Wind Thunderstorm Wind
The mesonet station TT289 up on Crestline Trail measured a severe gust.
Thunderstorm Wind Thunderstorm Wind
Several trees on a residential property were knocked down from thunderstorm outflow.
Heavy Rain Heavy Rain
The mesonet station at BSUI1 measured 1.32 inches of heavy rain.
Heavy Rain Heavy Rain
The mesonet station BOII 1.7 miles southeast of Boise measured 1.15 inches of heavy rain.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 8 | 0 |
| 2025 | 6 | 0 |
| 2024 | 11 | 0 |
| 2023 | 27 | 1 |
| 2022 | 7 | 0 |
| 2021 | 5 | 0 |
| 2020 | 3 | 0 |
| 2019 | 3 | 0 |
| 2017 | 8 | 0 |
| 2016 | 1 | 0 |
| 2015 | 4 | 0 |
| 2013 | 4 | 0 |
| 2012 | 3 | 0 |
| 2011 | 3 | 0 |
| 2010 | 3 | 0 |
| 2009 | 1 | 0 |
| 2008 | 3 | 0 |
| 2007 | 3 | 0 |
| 2006 | 6 | 0 |
| 2005 | 1 | 0 |
| 2004 | 6 | 0 |
| 2003 | 4 | 0 |
| 2002 | 6 | 0 |
| 2000 | 7 | 5 |
| 1999 | 3 | 0 |
| 1998 | 12 | 1 |
| 1997 | 9 | 1 |
| 1996 | 4 | 0 |
| 1995 | 13 | 0 |
| 1993 | 2 | 0 |
| 1992 | 2 | 0 |
| 1991 | 1 | 0 |
| 1990 | 3 | 0 |
| 1987 | 3 | 0 |
| 1986 | 2 | 0 |
| 1985 | 1 | 0 |
| 1984 | 6 | 2 |
| 1983 | 1 | 0 |
| 1982 | 7 | 0 |
| 1981 | 3 | 0 |
| 1977 | 1 | 0 |
| 1976 | 2 | 0 |
| 1975 | 3 | 0 |
| 1973 | 1 | 0 |
| 1970 | 1 | 0 |
| 1967 | 3 | 1 |
| 1964 | 1 | 0 |
| 1961 | 1 | 0 |
| 1958 | 2 | 0 |
| 1956 | 2 | 2 |
Search your address
See every tornado that passed within 25 miles of a place in Ada County, measured to its path.
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