Upper Treasure Valley storm history
Storm events recorded in Upper Treasure Valley, Idaho between 1950 and 2025.
81
Total events
0
Tornadoes
0
Hail
0
Floods
1
Deaths
$5.7M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
A wildfire in Southeast Boise caused by an electrical component near an Idaho Power sub station quickly burned out of control destroying 10 homes and damaging many more including 1 fatality. Another wildfire near Mountain Home burned around 500 acres.
The Ada County Sheriff attributed 48 total traffic accidents to the snowfall and resulting slippery road conditions.
High Wind High Wind
Automated weather observations in the Upper Treasure Valley from Boise to Mountain Home observed severe wind gusts above 58 miles per hour for multiple hours. This covers the I-84 transportation corridor and portions of the Snake River Canyon with extensive agriculture activity.
Winter Weather Winter Weather
Several CoCoRaHS stations reported 2-4 inches of snow across the region, with higher amounts in the foothills of the Boise Mountains.
Winter Weather Winter Weather
A member of the public measured 3.0 inches of snow just north of the Boise downtown.
Heavy Snow Heavy Snow
The CoCoRaHS station one mile north of Boise measured 3.8 inches of snow, while several south of Boise measured 1-2 inches of snow.
Winter Weather Winter Weather
The CoCoRaHS station one mile north of Boise measured 3.8 inches of snow, while several south of Boise measured 1-2 inches of snow.
Strong Wind Strong Wind
The ASOS at KBOI measured a wind gust of 40 knots.
Strong Wind Strong Wind
The ASOS at the KBOI airport measured a wind gust to 43 knots.
Strong Wind Strong Wind
The ASOS at KBOI measured a wind gust of 46 knots.
Heavy Snow Heavy Snow
Several members of the public measured 4.0-7.0 inches of snow in the Boise area.
Heavy Snow Heavy Snow
Nearly 10.0 inches of snow was measured overnight by a member of the public near Mountain Home.
Heavy Snow Heavy Snow
Several CoCoRaHS measurements of 5-8 inches of snow south of Boise and near Meridian over the two day period of January 13th-14th.
Heavy Snow Heavy Snow
NWS Employees measured 5.2, 6.0, and 6.0 inches of snow around the Boise area.
Heavy Snow Heavy Snow
Several members of the public and an NWS Employee reported snow totals from 2.4 to 4.0 inches near Mountain Home and the Stage Stop.
Heavy Snow Heavy Snow
The CoCoRaHS station ID-EL-11 near Mountain Home, 20 miles southeast of Boise measured 2.6 inches.
Heavy Snow Heavy Snow
The COOP observer at LUCI1 9 miles southeast of Boise measured 10.0 inches of snow in 24 hours.
Heavy Snow Heavy Snow
An NWS employee 2.0 miles southeast of Boise measured 4.0 inches of snow in 24 hours.
Heavy Snow Heavy Snow
Several members of the public reported 4.0 inches of snow in Nampa, ID, Eagle, ID, and Boise, ID via social media.
Heavy Snow Heavy Snow
The WFO measured 2.9 of snow.
Heavy Snow Heavy Snow
Multiple reports measured 3.0 inches of snow in Star, Eagle, and downtown Boise from the snow storm. The Ada County Sheriff attributed 48 total traffic accidents to the snowfall and resulting slippery road conditions.
Heavy Snow Heavy Snow
A member of the public measured 3.0 inches of snow in Garden City, ID.
Heavy Snow Heavy Snow
A member of the public reported 1.0 inches of snow that cause multiple downed tree branches near Park Center Boulevard due to heavy and wet snow.
Heavy Snow Heavy Snow
Multiple CoCoRaHS observers and an NWS Employee reported snowfall accumulations of 2.0 inches near the Stage Stop.
Strong Wind Strong Wind
The AWOS at the Mountain Home Air Force Base reported a wind gust of 42 knots.
Strong Wind Strong Wind
The Hammett Hill mesonet station reported a 53 mph gust.
Heavy Snow Heavy Snow
A CoCoRaHS station measured 4.5 inches of snow about eleven miles northwest of Mountain Home, ID.
Heavy Snow Heavy Snow
The 24 hour report from a CoCoRaHS spotter was 8.6 inches.
High Wind High Wind
The ASOS at Boise measured a wind gust of 61 MPH and 60 MPH at Mountain Home.
High Wind High Wind
The ASOS at Boise recorded a wind gust of 59 MPH. Many locations in the Treasure Valley reported 50 MPH winds and minor damage.
Heavy Snow Heavy Snow
The National Weather Service measured over 10 inches of snow during a two day period and received reports of 8 to 12 inches throughout the Treasure valley.
High Wind High Wind
A wind gust of 77 MPH was recorded at Deer Haven RAWS, 10 miles east of Mountain Home.
High Wind High Wind
The AWOS at Mountain Home Air Force Base reported a 59 MPH wind gust and several sites around the Treasure Valley reported high winds, including damage near Huston and a dust storm near Notus.
Heavy Snow Heavy Snow
Four inches of new snow was recorded at the NWS office in Boise with reports of 4 to 5 inches around Eagle.
Heavy Snow Heavy Snow
Four to ten inches of new snow fell mainly from Boise to Mountain Home. Reports ranged from four inches at the National Weather Service to seven inches in Southeast Boise and ten inches in Mountain Home.
Heavy Snow Heavy Snow
Reports of 5 to 6 inches of snowfall were received around the Boise area. Southeast Boise reported locally heavier amounts of 7 inches.
Heavy Snow Heavy Snow
The National Weather Service in Boise measured six inches of new snow from the evening of the 22nd through the morning of the 23rd and received numerous reports of four to five inches from the public.
Heavy Snow Heavy Snow
Numerous reports of 5 to 6 inches of snow were received from CoCoRaHS observers and trained spotters.
Heavy Snow Heavy Snow
Trained spotters and cooperative observers reported 4 to 6 inches of snow around the Meridian and Boise areas.
Heavy Snow Heavy Snow
Trained spotters throughout the Treasure Valley reported 4 to 6 inches around the area and 10 inches at Oreana.
Heavy Snow Heavy Snow
The National Weather Service office in Boise recorded 5 inches of snow with reports from various sources around the area of 4 to 7 inches in the valley and up to 13 inches in the foothills.
Wildfire Wildfire
An NWS forecaster reported thunderstorm winds knock down a power pole and started a brush fire.
Heavy Snow Heavy Snow
Numerous reports of 6 to 9 inches were received including 7 inches at the National Weather Service office in Boise.
High Wind High Wind
Numerous reports of power outages reported by Idaho Power.
Heavy Snow Heavy Snow
Reports from the Kuna area indicated around 6 inches of snow had fallen during the early morning hours.
High Wind High Wind
Idaho Power reported power lines down around the Grandview and Bruneau areas.
Numerous reports of slide offs, roll overs and crashes due to dense fog and freezing rain in the area.
Dense Fog Dense Fog
Dense fog and slippery roads created hazardous driving conditions from Boise to Twin Falls. Multiple slide offs and rollovers along Interstate 84 were reported by the Idaho State Police. A multiple vehicle crash involving 8 commercial vehicles and 9 cars on Interstat 84 was repor…
High Wind High Wind
The Boise ASOS recorded a peak wind of 60 MPH and numerous reports of wind damage were received from the media and the public.
High Wind High Wind
Two thousand residents in Caldwell were left without power and trees and fences were blown down as a cold front moved through the Treasure Valley.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 2 | 0 |
| 2024 | 11 | 0 |
| 2023 | 8 | 0 |
| 2022 | 4 | 0 |
| 2021 | 5 | 0 |
| 2020 | 2 | 0 |
| 2019 | 1 | 0 |
| 2018 | 2 | 0 |
| 2017 | 4 | 0 |
| 2016 | 1 | 0 |
| 2015 | 1 | 0 |
| 2014 | 2 | 0 |
| 2013 | 3 | 0 |
| 2012 | 4 | 0 |
| 2011 | 1 | 0 |
| 2010 | 5 | 0 |
| 2009 | 2 | 0 |
| 2008 | 8 | 0 |
| 2006 | 2 | 0 |
| 2004 | 1 | 0 |
| 2002 | 4 | 0 |
| 2001 | 1 | 0 |
| 2000 | 1 | 0 |
| 1999 | 3 | 0 |
| 1998 | 1 | 0 |
| 1996 | 2 | 0 |