First published · Last updated
Flood Advisory issued September 19 at 7:46AM MDT until September 19 at 1:45PM MDT by NWS Great Falls MT
The National Weather Service Great Falls (MT) issued a Flood Advisory on 2026-09-19 effective 7:46 AM MDT (2026-09-19T13:46:00Z) through 1:45 PM MDT for the Great Falls, Montana area.
Categories: severe-weather-and-natural-disasters
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 9/10
- Geographic reach
- 3/10
- Global importance
- 5/10
- Impact magnitude
- 4/10
- Positivity
- 1/10
- Urgency
- 7/10
Why it matters
Flood advisories indicate potential for minor to localized flooding that can affect roads, property, and outdoor activities in the advisory area during the effective period; travelers and local residents should be aware and exercise caution.

