Flash Flood — Jefferson, Montana

2023-06-27 · near Cardwell, Jefferson, Montana

Event narrative

Jefferson County Sheriff's Office reported Milligan Canyon Road was washed out in several locations due to heavy rainfall.

Wider weather episode

An unstable airmass with a minor weather disturbance resulted in afternoon showers and thunderstorms, with locally severe weather occurring. Isolated locations also experienced flooding, such as portions of Jefferson County where Milligan Canyon Road was washed out in several locations.

View location on OpenStreetMap → (45.9031, -111.6900)

Source: NOAA Storm Events Database, event_id 1109200. Narrative written by the NWS forecast office that issued the report.