First published · Last updated
Severe Thunderstorm Warning issued September 18 at 4:21PM MDT until September 18 at 4:45PM MDT by NWS Grand Junction CO
The National Weather Service in Grand Junction, CO issued a Severe Thunderstorm Warning on 2026-09-18 for the Grand Junction area, effective 4:21 PM MDT through 4:45 PM 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
- 10/10
- Geographic reach
- 3/10
- Global importance
- 7/10
- Impact magnitude
- 6/10
- Positivity
- 2/10
- Urgency
- 9/10
Why it matters
Severe thunderstorm warnings indicate an immediate, localized weather hazard that can impact public safety and travel during the short effective period.

