Extreme Cold/Wind Chill — Grand Ronde Valley, Oregon

2025-02-12 · Grand Ronde Valley, Oregon

Event narrative

The La Grande AWOS and an AGRIMET station near Imbler recorded overnight lows of -25.

Wider weather episode

Strong northerly flow, combined with clear and dry conditions, led to an Arctic air outbreak across the Interior Northwest the morning of February 12th.

Source: NOAA Storm Events Database, event_id 1235562. Narrative written by the NWS forecast office that issued the report.