Flash Flood in Fremont County, Idaho
Flash Flood August 13, 2022 · Fremont County, Idaho
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
One to 3 inches of heavy rain fell in much of Fremont County causing extensive flooding. 15 people were stranded east/southeast of Macks Inn along the Henry's fork River between Big Springs and Macks Inn due to the rain. Many were suffering hypothermia and were treated on scene. Multiple private roads on the Ashton Hill were washing out. A running track was flooded at North Fremont High School. Moving water was filmed across fields and roads in the area of N 3700 E and E 1400 N. Crops and fields suffered damage in the Marysville area. Several sections of the Ashton-Tetonia Rail Trail were flooded, washed out and covered in mud. 3 cabins reported flooded north northwest of Squirrel. The Henrys Fork River rose one half foot between 5:45 Pm MDT and 9 PM MDT.
The wider storm
Extremely heavy rain fell with several reports of 1 to 3 inches falling. Flash flooding was widespread across southeasy Idaho.
Began near Macks Inn (44.5290, -111.3300).
Source: NOAA Storm Events Database, event 1055338. Narratives are written by the National Weather Service forecast office that issued the report.
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