Rapidly melting snow from an above normal snowpack caused flooding along numerous streams and at many river forecast points in the Milk River Watershed.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GGW wrote it up.
Rapidly melting snow from an above normal snowpack caused flooding along numerous streams and at many river forecast points in the Milk River Watershed.
The national radar mosaic for the moment the first event began.
8 flood. Local standard time, as filed.
Beaver Creek at Hinsdale (BCHM8) rose above its flood stage of 14 feet at 12:50 AM on April 10th. The river then crested at 18.17 feet at 5:15 PM on April 10th. The river would fall below flood stage at 5:40 PM on April 13th.
The Milk River at Nashua (NSHM8) rose above its flood stage of 20 feet at 1:05 PM on April 11th. The river then crested at 20.39 feet at 1:15 PM on April 11th. The river would fall below flood stage at 3:00 PM on April 11th.
The Poplar River at Poplar (PLRM8) rose above its flood stage of 16 feet at 2:30 PM on April 11th. The river would briefly go below flood stage at 8:35 PM on April 11th before rising back above flood stage at 12:30 AM on April 13th. The river then crested at 17.77 feet at 3:00 AM on April 14th. The river would fall below flood stage at 7:20 PM on April 14th.
The Milk River at Tampico (TMPM8) rose above its flood stage of 23 feet at 12:00 AM on April 12th. The river then crested at 27.94 feet at 2:35 AM on April 15th. The river would fall below flood stage at 6:00 PM on April 23rd.
The Milk River at Saco (SACM8) rose above its flood stage of 20 feet at 12:18 AM on April 12th. The river then crested at 26.24 feet at 5:15 AM on April 15th. The river would fall below flood stage at 3:14 AM on April 20th.
The Milk River at Glasgow (GLWM8) rose above its flood stage of 25 feet at 7:20 AM on April 12th. The river then crested at 31.89 feet at 5:15 AM on April 16th. The river would fall below flood stage at 6:10 AM on April 26th.
The Milk River at Dodson (DMRM8) rose above its flood stage of 23 feet at 5:45 PM on April 12th. The river then crested at 23.47 feet at 7:15PM on April 12th. The river would go below flood stage at 8:30 PM on April 12th before rising back above flood stage at 3:00 PM on April 14th. The river would fall below flood stage at 4:20 PM on April 14th.
The Milk River at Nashua (NSHM8) rose above its flood stage of 20 feet at 9:50 PM on April 12th. The river then crested at 26.47 feet at 11:00 AM on April 18th. The river would fall below flood stage at 9:40 AM on April 25th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2023Every state in 2023This day in weather historyWarnings in Montana, April 2023
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. Each event’s entry at NCEI: 1084634, 1084847, 1084827, 1084616, 1084408, 1084409, 1084840, 1084611.