First published 9/18/2026, 11:23:15 PM · Last updated 9/18/2026, 11:23:15 PM

Severe Thunderstorm Warning issued September 18 at 5:10PM MDT until September 18 at 5:15PM MDT by NWS Denver CO

The National Weather Service office in Denver, CO issued a Severe Thunderstorm Warning on September 18 with an effective period from 5:10 PM MDT to 5:15 PM MDT. The warning indicates an imminent severe thunderstorm threat affecting the Denver area during that short window.

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: 9/10How 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: 10/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Severe thunderstorm warnings indicate an immediate weather hazard that can threaten life and property and may disrupt travel and outdoor activities in the affected area.

Location

Sources

Severe Thunderstorm Warning issued September 18 at 5:10PM MDT until September 18 at 5:15PM MDT by NWS Denver CO

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