First published · Last updated
Flash Flood Warning — NWS Boise (issued Sep 18 5:21PM MDT)
The National Weather Service office in Boise, ID issued a Flash Flood Warning on September 18 at 5:21PM MDT, in effect until September 18 at 8:15PM MDT.
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
- 7/10
- Impact magnitude
- 6/10
- Positivity
- 2/10
- Urgency
- 9/10
Why it matters
Flash floods are sudden, hazardous events that can endanger life, damage property, and disrupt travel and infrastructure in the warned area. People in the affected area should take immediate precautions.

