Frost/Freeze — Grand Valley, Colorado

2023-10-29 to 2023-10-30 · Grand Valley, Colorado

Event narrative

Overnight lows ranged from 14 to 31 degrees F across the area, including a low of 19 degrees F at Grand Junction Regional Airport. This constituted a season-ending freeze, as all reporting sites dropped below 28 degrees F for 3 hours or more.

Wider weather episode

Clearing skies and a much colder airmass behind a departing low pressure system led to sub-freezing temperatures across all of western Colorado, including low-elevation valleys.

Source: NOAA Storm Events Database, event_id 1140225. Narrative written by the NWS forecast office that issued the report.