First published 9/19/2026, 7:58:15 AM · Last updated 9/19/2026, 7:58:15 AM

Flood Watch issued September 19 at 1:34AM MDT until September 20 at 6:00PM MDT by NWS Riverton WY

The National Weather Service office in Riverton, WY issued a Flood Watch on 2026-09-19 01:34 MDT, in effect through 2026-09-20 18:00 MDT, for the Riverton, Wyoming area. The watch indicates conditions are favorable for flooding in the watch area during this period.

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

Why it matters

A Flood Watch means flooding is possible; residents and travelers in the Riverton area may face inundated roads, hazardous driving conditions, and localized property or infrastructure impacts if heavy rainfall occurs.

Location

Sources

Flood Watch issued September 19 at 1:34AM MDT until September 20 at 6:00PM MDT by NWS Riverton WY

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