Jun 6, 2023
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.
Source: NOAA National Weather Service Storm Events Database (event 1097140). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Stillwater County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.