Flash Flood — Stillwater, Montana

2023-06-06 · near Columbus, Stillwater, Montana

Event narrative

Flowing water was reported on the sidewalks and up to the doors of businesses in downtown Columbus.

Wider weather episode

A very moist, easterly surface flow advected 50 to 60 degree dewpoints from the central plains into the Billings Forecast Area. In addition, atmospheric precipitable waters were well over 1.00. Steering winds were light resulting in slow-moving thunderstorms. Although some large hail occurred with a few thunderstorms, the main impact was heavy rain and flash flooding.

View location on OpenStreetMap → (45.6269, -109.2862)

Source: NOAA Storm Events Database, event_id 1097140. Narrative written by the NWS forecast office that issued the report.