Lower Treasure Valley storm history
Storm events recorded in Lower Treasure Valley, Idaho between 1950 and 2025.
92
Total events
0
Tornadoes
0
Hail
1
Floods
2
Deaths
$100.0M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Multiple newspapers reported on an infant that died after being left in a hot car in New Plymouth, Idaho on September 6th.
Reports of 5 to 6 inches were received via social media. A traffic accident attributed to slick roads resulted in one fatality on Interstate 84, 2 miles east of Caldwell.
Numerous reports from social media reported 6 to 9 inches of snow around Caldwell and 15 to 16 inches from Ontario to Payette and Weiser reported by emergency management. Significant damage occurred to agricultural buildings housing fresh produce.
Winter Weather Winter Weather
Members of the public reported 2 to 4 inches of snow near Meridian, Middleton, and Payette.
Winter Weather Winter Weather
Several NWS Employees and members of the public reported snow totals from 4-7 inches in the Boise, Kuna, and Garden City area.
High Wind High Wind
A member of the public measured a wind gust of 62 mph from a thunderstorm outflow boundary.
Dust Storm Dust Storm
A member of the public reported that visibility went down to less than a quarter mile due to the outflow winds from a thunderstorm.
Strong Wind Strong Wind
The ASOS at KMAN measured a wind gust of 48 knots.
Strong Wind Strong Wind
A member of the public reported a large tree down in their yard from strong wind gusts in Parma, ID. Around 2,000 customers around Homedale, Council, Marsing, Ontario, and Fruitvale were without power due to outages from strong winds.
Heavy Snow Heavy Snow
Several members of the public measured 4.0-7.0 inches of snow in the Boise metropolitan area and near Caldwell, ID.
Heavy Snow Heavy Snow
Several CoCoRaHS measurements of 5-8 inches of snow near Caldwell and Nampa over the two day period of January 13th-14th.
Heavy Snow Heavy Snow
Several members of the public reported snow totals from 3.3 to 4.0 inches in the Boise metropolitan area.
Heavy Snow Heavy Snow
An NWS employee in Caldwell, ID measured 4.4 inches of snow in 24 hours.
Heavy Snow Heavy Snow
The CoCoRaHS station ID-CY-21 0.4 miles east of Greenleaf measured 6.0 inches of snow in 24 hours.
Heavy Snow Heavy Snow
The CoCoRaHS station ID-CY-15 4.8 miles northwest of Nampa measured 4.0 inches of snow in 24 hours.
Heavy Snow Heavy Snow
The CoCoRaHS station ID-CY-12 0.7 miles northeast of Middleton measured 5.0 inches of snow in 24 hours.
Heavy Snow Heavy Snow
A member of the public reported 5.3 inches of snow in Caldwell, ID via social media.
Heavy Snow Heavy Snow
A member of the public reported 6.5 inches of snow in Caldwell, ID via social media.
Heavy Snow Heavy Snow
Mutiple reports of 4.0 to 5.0 inches of snow accumulation were reported near Boise. A COOP observer reported 10 inches of snowfall about 10 miles north of Eagle, ID. Several members of the public measured 5.0 inches, 6.0 inches, and 7.0 inches at Lake Lowell near Caldwell, ID via…
Heavy Snow Heavy Snow
An NWS employee measured 5.0 inches about 19 miles southeast of Boise.
Strong Wind Strong Wind
A heat burst knocked out power to the airport and NIFC, along with multiple neighborhoods on the Boise Bench.
Heavy Snow Heavy Snow
Multiple reports from CoCoRaHS observers recorded 1.0-2.5 inches of snow in southeast and north Boise.
Heavy Snow Heavy Snow
Multiple reports of 7.0-8.0 inches of snow in the Boise foothills.
Heavy Snow Heavy Snow
A total of 3.5 inches of snow fell in Emmett, Idaho, breaking several tree branches around the city.
Heavy Snow Heavy Snow
A member of the public measured 3.0 inches of snow in Nampa, ID.
Heavy Snow Heavy Snow
A member of the public measured 3.0 inches of snow in Meridian, ID.
Heavy Snow Heavy Snow
A CoCoRaHS observer reported 6.5 inches of snow 11 miles east northeast of Boise.
Heavy Snow Heavy Snow
A CoCoRaHS site measured 4.0 inches of snow in Greenleaf, ID.
Heavy Snow Heavy Snow
A member of the public site measured 4.0 inches of snow in Sand Hollow, ID.
Heavy Snow Heavy Snow
A NWS Employee measured 3.8 inches of snow north of Meridian, ID.
Heavy Snow Heavy Snow
A NWS Employee measured 4.0 inches of snow south of Boise, ID.
Heavy Snow Heavy Snow
A NWS Employee reported 3.0 inches of snow in Kuna, ID.
Heavy Snow Heavy Snow
A CoCoRaHS observer reported 3.5 inches of snow five miles southeast of Meridian, ID.
Heavy Snow Heavy Snow
A CoCoRaHS observer measured 3.1 inches of snow three miles west of Garden City, ID.
Heavy Snow Heavy Snow
A CoCoRaHS observer measured 3.0 inches of snow one mile north of Boise, ID.
Heavy Snow Heavy Snow
Numerous reports were received from the public of 8 to 12 inches of snow across the Lower Treasure Valley.
Heavy Snow Heavy Snow
Reports of 4 to 5 inches of new snow were received from the public.
Heavy Snow Heavy Snow
Reports of 5 inches of new snow were relayed from the public in Weiser.
Heavy Snow Heavy Snow
Numerous reports of three to four inches of new snow were received from CoCoRaHS observers and from the public.
Heavy Snow Heavy Snow
Several social media reports of 5 to 6 inches of snow were received from the Caldwell and Nampa area.
Heavy Snow Heavy Snow
The cooperative observer at Payette reported 5 inches of snow and trained spotters around the area reported 4 to 6 inches of snow before it changed over to freezing rain. The weight of existing snow combined with the rain and freezing rain caused structures in the Payette and Emm…
Heavy Snow Heavy Snow
Trained spotters and cooperative observers reported 4 to 5 inches of snow across the Payette and Caldwell areas.
Heavy Snow Heavy Snow
Trained spotters throughout the Treasure Valley reported 4 to 6 inches around the area and 8 inches at Caldwell.
Heavy Snow Heavy Snow
COOP observers and trained spotters around Emmett, Payette and Weiser reported 6 to 9 inches of snow.
Heavy Snow Heavy Snow
COOP observers and trained spotters around Emmett, Payette and Weiser reported 6 to 9 inches of snow.
Heavy Snow Heavy Snow
The coop observer at Payette reported 6 inches of new snow and various reports of 4 to 6 inches were received by law enforcement.
Heavy Snow Heavy Snow
Numerous reports of 6 to 8 inches were received from trained spotters.
High Wind High Wind
Numerous reports of power outages reported by Idaho Power.
Heavy Snow Heavy Snow
A NWS employee and the public reported four to seven inches of snow across the area.
Dense Fog Dense Fog
A trained spotter located in Greenleaf Idaho reported visibilities of 30 to 50 yards in dense fog along highway 19 in Canyon County.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 2 | 0 |
| 2024 | 7 | 0 |
| 2023 | 7 | 0 |
| 2022 | 6 | 0 |
| 2021 | 12 | 0 |
| 2019 | 2 | 0 |
| 2017 | 6 | 0 |
| 2016 | 2 | 0 |
| 2015 | 1 | 0 |
| 2014 | 3 | 0 |
| 2013 | 1 | 0 |
| 2012 | 2 | 0 |
| 2010 | 4 | 0 |
| 2009 | 2 | 0 |
| 2008 | 7 | 0 |
| 2006 | 1 | 0 |
| 2005 | 1 | 0 |
| 2004 | 2 | 0 |
| 2002 | 5 | 0 |
| 2001 | 3 | 0 |
| 2000 | 1 | 0 |
| 1999 | 2 | 0 |
| 1998 | 2 | 0 |
| 1997 | 2 | 0 |
| 1996 | 9 | 0 |