Heavy Rain in Idaho
Every heavy rain event the National Weather Service has filed in Idaho, year by year, with the most significant episodes. Rainfall totals unusual for the place and season that did not produce a flood.
The most significant on the map
The most significant heavy rain episodes in Idaho.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 262
- Deaths
- 1
- Injuries
- 1
- Damage
- $64 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Hail and Damaging Wind in Idaho, August 10, 2010A closed low over the Pacific Northwest pumped very moist and unstable air into portions of north central Idaho, allowing a few strong to severe thunderstorms to develop. Large hail, up to the size of golfballs, and deadly lighting.
- Heavy Rain in Idaho, August 12, 1997
- Flooding and Heavy Rain in Idaho, August 5 to 6, 2014Heavy rain inundated much of South Central Idaho over a two day period from the 5th through the 6th. Three to six inches of rain fell across the area causing significant flooding in Twin Falls and surrounding locations.
- Tornadoes and Hail in Idaho, May 31, 199757 mph thunderstorm gust
- Heavy Rain in Idaho, August 1 to 31, 2014Power County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in Power County.
- Heavy Rain in Idaho, August 1 to 31, 2014Cassia County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in Cassia County.
- Heavy Rain in Idaho, August 1 to 31, 2014Bonneville County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in Bonneville County.
- Heavy Rain in Idaho, August 1 to 31, 2014Extremely heavy August rains in Blaine County during barley harvest time is expected to cause up to a 4.5 million dollar loss due to the timing of the heavy rains. The USDA declared Blaine County a natural disaster area due to cop loss.
- Heavy Rain in Idaho, August 1 to 31, 2014Clark County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in Clark County.
- Heavy Rain in Idaho, August 1 to 31, 2014Jefferson County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in Jefferson County.
- Heavy Rain in Idaho, August 1 to 31, 2014Minidoka County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in MInidoka County.
- Heavy Rain in Idaho, August 1 to 31, 2014Bingham County was declared a natural disaster area by the USDA due to barley crop loss in August from heavy rains. Eastern Idaho lost about 64 million dollars of barley crops due to the rains with a portion of that occurring in Bingham County.
- Flooding and Heavy Rain in Idaho, June 12 to 13, 2022Another trough system brought a round of slow moving stratiform slow moving showers. With the abundant amount of precipitation from earlier in the month, the streams and creeks were already near bank full.
- Flood and Heavy Rain in Idaho, March 16, 2017An atmospheric river brought several inches of rainfall to central Idaho which was already soaked from previous rains. This contributed to mudslides that shut down roads and flooding that affected residences and property.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Butte County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Butte County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Lincoln County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Lincoln County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Caribou County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Caribou County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Custer County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Custer County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Oneida County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Oneida County.
- Heavy Rain in Idaho, February 5, 2018Saturated soils caused by abundant rainfall during early February lead to a fallen tree and traffic accident on US Highway 12.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Bannock County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Bannock County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Madison County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Madison County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Fremont County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Fremont County.
- Heavy Rain in Idaho, August 1 to 31, 2014Farmers and ranchers in Teton County were declared by the USDA to qualify for natural disaster assistance due to crop damage from heavy August rains. Eastern Idaho barley crop damage was estimated at 64 million dollars with a portion of that in Teton County.
- Hail and Damaging Winds in Idaho, August 14, 2014A supercell thunderstorm developed across the Camas Prairie and peaked in intensity over western Clearwater County between Greer and Weippe. The storm unleashed severe winds and half-dollar hail causing close to a million dollars in property and crop damage. The U.S.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.