First published 9/19/2026, 5:17:15 AM · Last updated 9/19/2026, 5:17:15 AM

Flood Watch issued September 18 at 10:59PM MDT until September 20 at 6:00PM MDT by NWS Billings MT

The National Weather Service office in Billings, MT issued a Flood Watch beginning September 18 at 10:59 PM MDT and valid through September 20 at 6:00 PM MDT. A Flood Watch means conditions are favorable for flooding during that period; people in the covered area should monitor forecasts and be prepared to take action if warnings are issued.

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: 4/10How 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: 5/10The 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: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

A Flood Watch signals elevated risk of flooding that can threaten life, disrupt travel, and damage property and infrastructure. Local residents and travelers should follow updates from the NWS and local authorities and be ready to respond if flooding occurs.

Location

Sources

Flood Watch issued September 18 at 10:59PM MDT until September 20 at 6:00PM MDT by NWS Billings MT

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