Frost/Freeze — Wallowa County, Oregon

2023-09-20 · Wallowa County, Oregon

Event narrative

Several stations in the Wallowa Valley including stations Kb7DZR Joseph, EW8320 Lostine, and CW1102 Wallowa recorded temperatures at or below freezing between 2am PDT and 8am PDT on September 20th.

Wider weather episode

Overnight temperatures were able to cool several degrees below seasonal normal across the Wallowa valley, likely owing to clear skies over the area. This resulted in a season ending freeze affecting the valley area the morning of the 20th.

Source: NOAA Storm Events Database, event_id 1142232. Narrative written by the NWS forecast office that issued the report.