First published 9/19/2026, 9:36:15 PM · Last updated 9/19/2026, 9:36:15 PM

Severe Thunderstorm Warning — NWS Denver CO (Sep 19 3:23PM MDT–4:00PM MDT)

National Weather Service (NWS) Denver issued a Severe Thunderstorm Warning on September 19 at 3:23 PM MDT, effective until 4:00 PM MDT for the Denver, Colorado area.

Categories: severe-weather-and-natural-disasters, travel-and-transportation

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Active severe thunderstorm warnings indicate immediate threats to life, property, and short‑term travel/transportation in the Denver metro area (hail, damaging winds, lightning, and heavy rain). Residents and travelers in the warned area should seek shelter and follow local guidance.

Location

Sources

Severe Thunderstorm Warning issued September 19 at 3:23PM MDT until September 19 at 4:00PM MDT by NWS Denver CO

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