Flood in Madison County, Idaho

Flood March 14, 2018 – March 31, 2018 · Madison County, Idaho

$1.3M

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Extensive snow melt combines with heavy rains to create extensive sheet flooding problems in Madison County. 200 miles of county roads were washed out or damaged. the worst of it came on March 22nd with heavy rains over the county. The majority of the road damage was in the eastern part of the county. The state of Idaho declared Madison County a disaster area on March 19th. Damage estimates on mainly the roads by county officials exceeded one million dollars. Rocky Hollow road was destroyed.

The wider storm

A return to heavy mountain snows in late February and early March added significantly to the snow pack especially in the Upper Snake River Highlands and snow melt and heavy rains occurred sporadically from the middle of the month onward. The worst of the flooding occurred in Clark and Madison which were both declared state disaster areas by the end of the month. Low elevations in the central mountains also began to experience with extensive damage also occurring in Blaine County.

Began near Edmonds (43.9200, -111.8800).

Source: NOAA Storm Events Database, event 747624. Narratives are written by the National Weather Service forecast office that issued the report.

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