Winter Storm — Helena Valley, Montana

2024-01-17 to 2024-01-18 · Helena Valley, Montana

Event narrative

Public report via social media of 6 inches snow overnight. Snow ended at the nearby Helena Airport around 6 AM MST. This was used as an estimated end time.

Wider weather episode

A series of weather systems brought impactful winter weather to the area with light snow developing across north central Montana, becoming more widespread across the region. Dangerously cold wind chills persisted along the Hi-Line. Warming temperatures elsewhere led to ice jamming, resulting in flooding concerns across portions of the Treasure State.

** Isolated 9 inch snowfall report 6 WSW Forestgrove left out of report.

Re-assessed Aug/Sept of 2024 due to timing inconsistencies.

Source: NOAA Storm Events Database, event_id 1151418. Narrative written by the NWS forecast office that issued the report.