Extreme Cold/Wind Chill — Hill County, Montana

2023-02-23 to 2023-02-24 · Hill County, Montana

Event narrative

Multiple mesonets measured wind chills of -40 F or less, including MTINV Inverness and FW1664 Hingham. The coldest observed wind chill was -43 F at GW2486 Rudyard.

Wider weather episode

After loss of diurnal heating during the day on the 23rd of February, another round of frigid wind chills took place before Chinook winds were able to warm most areas up later on the 24th.

Source: NOAA Storm Events Database, event_id 1073993. Narrative written by the NWS forecast office that issued the report.