189 first-hand accounts of flood events in Idaho, ranked by impact. Each is a NOAA-written narrative of the moment.
Following a very wet April and May, warmer June temperatures began to melt an above normal mountain snowpack increasing flows into already swollen river basins.
Read the full account →The Teton River near St Anthony was above flood stage several times in June beginning on June 7th and continuing off on on through the 30th. The highest crest of 6.61 feet occurred on June 15th.
Read the full account →On June 11th, a shortwave trough crossed across southwest Idaho aiding in thunderstorm development. RAP Mesoscale Analysis showed precipitable water values between 0.8 - 1 inch, around the climatological 95th percentile.
Read the full account →Persistent heavy rain created river and small stream flooding over portions of Lemhi County in Idaho. Total precipitation amounts well over an inch were reported. Lemhi County law enforcement reported up to 12 inches of water over area roadways.
Read the full account →The Henry's Fork near Rexburg was above flood stage from June 1st through June 30th with the exception of the period from June 4th through the morning of June 7th. Major flood stage was reached and crested at 11.85 feet on June 9th.
Read the full account →The arrival of an atmospheric River, in late February and early March, brought heavy rainfall to the Pacific Northwest. The heaviest precipitation was late February 28th through March 1st.
Read the full account →A severe thunderstorm moved through portions of Nez Perce County and hit Lewiston, causing several problems. Very heavy rain caused standing water of one to three feet over some of the roads through downtown, leading to flooding of many shop basements and main floors.
Read the full account →Beginning February 6th through the 8th, a stalled atmosphere river was followed by shortwave trough bringing record breaking moderate to heavy precipitation.
Read the full account →Beginning February 6th through the 8th, a stalled atmosphere river was followed by shortwave trough bringing record breaking moderate to heavy precipitation.
Read the full account →On May 20th, a cool and showery pattern began in the northern Idaho Panhandle. Two upper low pressure systems dropped down into the region out of the northwest. These brought rain, with some brief heavy rain, from May 20th through May 22nd.
Read the full account →Several thousand dollars worth of damage due to flooding from extensive rainfall during the week. In Oneida County highways 36 and 38 damaged with mud and debris. Old Highway 191 near Malad Summit covered with mud and debris also.
Read the full account →Heavy rain and snow melt led to flooding in portions of Shoshone, Latah, and Kootenai counties. The begin and end time of the flooding is estimated. Near Rose Lake, water was coming up near the levels of homes, with one foundation washed away.
Read the full account →Periods of heavy rain and snowmelt led to flooding on both the smaller and major rivers across eastern Kootenai, Shoshone and much of Latah counties. The flood stage on the Couer d'Alene river at Cataldo peaked at 43.7 ft with flood stage of 43 feet.
Read the full account →A deep low pressure system anchored in the Gulf of Alaska and a zonal flow pattern across the Pacific Northwest and Intermountain West provided the right ingredients for a sustained moisture plume which produced convection and periods of moderate to heavy rain over a three day…
Read the full account →A pair of thunderstorms containing heavy rainfall impacted Cape Horn Road near Lake Pend Oreille in the Bayview area. One storm occurred between 3:30 and 4:30 PST, with the second stronger storm between 7:20 and 8:30 PST.
Read the full account →An Ice Jam on the Salmon River caused flooding to many county roads|4 to 8 miles north of Salmon Idaho. The water also entered about 5 to 10 home owners yards and driveways.
Read the full account →A downpour in downtown Pocatello dropped 1.7 inches of rain in an hour reported by the KPVI television rain gauge. Many downtown streets were flooded and the Center Street underpass closed briefly. Oak Street and 6th and 8th Avenues flooded as well.
Read the full account →An Atmospheric River brought a persistent stream of moisture off the Pacific Ocean to West Central Idaho April 6-10. Rainfall totals of 2 to 5 inches were measured at many weather stations while snow melt added 1 to 3 inches of melt-water to the runoff.
Read the full account →Beginning on April 6th and continuing through April 10th a series of Pacific atmospheric rivers were directed into Oregon, southeast Washington and central Idaho saturating the ground with heavy rainfall.
Read the full account →An extended atmospheric river event occurred for an entire week. Extremely heavy snow fell in the mountains with amounts at SNOTEL sites reaching as high as 5 to 8 feet for the week. Many roads closed through the mountains.
Read the full account →An extended atmospheric river event occurred for an entire week. Extremely heavy snow fell in the mountains with amounts at SNOTEL sites reaching as high as 5 to 8 feet for the week. Many roads closed through the mountains.
Read the full account →Periods of heavy rain and snowmelt led to flooding on both the smaller and major rivers across eastern Kootenai, Shoshone and much of Latah counties. The flood stage on the Couer d'Alene river at Cataldo peaked at 43.7 ft with flood stage of 43 feet.
Read the full account →High flows on the Snake River flooded over 1,100 acres of cropland. The Menan Buttes Public Access boat ramp and a recreational day use area and boat ramp adjacent to Highway 48 remained flooded.
Read the full account →A nearly stationary upper level low over the Four Corners region brought periods of heavy rain and thunderstorms which caused localized urban flooding in south central Idaho.
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