First published 9/19/2026, 12:59:15 AM · Last updated 9/19/2026, 12:59:15 AM

Flash Flood Warning issued by NWS Billings MT

National Weather Service (Billings, MT) issued a Flash Flood Warning on September 18 at 6:52 PM MDT (published 2026-09-19T00:52:00Z), effective until September 18 at 9:00 PM MDT. The warning indicates imminent flash flooding risk in the Billings, 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: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 7/10The 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

Flash floods pose immediate dangers to people, property, and local travel—drivers and pedestrians can become trapped or swept away; short-term preparedness and avoidance of flooded areas are critical.

Location

Sources

Flash Flood Warning issued September 18 at 6:52PM MDT until September 18 at 9:00PM MDT by NWS Billings MT

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