Jul 31, 2023
Severe thunderstorms produced heavy rain, large hail and damaging wind across parts of Boulder, Denver, Elbert, Larimer and Weld counties. One tornado touched down briefly near Carr, but no damage was observed. Hail up to half dollar size was observed, along with peak wind gusts around 60 mph. Heavy rainfall, up to 3.64 inches, produced flooding and flash flooding around Fort Collins and Livermore in Larimer County. Vehicles were stuck in up to 3 feet of standing water. Water from heavy ra
Source: NOAA National Weather Service Storm Events Database (event 1127635). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Jefferson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.