First published 9/18/2026, 10:00:15 PM · Last updated 9/18/2026, 10:00:15 PM

Flood Advisory issued by NWS Riverton WY (Sep 18, 2026)

The National Weather Service office in Riverton, WY issued a Flood Advisory on September 18 at 3:20 PM MDT effective until 5:00 PM MDT for the Riverton, Wyoming 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: 10/10How 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: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The 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

A Flood Advisory indicates potential for localized flooding during the advisory period that can affect roadways, property, and personal safety for people in the covered area — act with caution and avoid flooded areas.

Location

Sources

Flood Advisory issued September 18 at 3:20PM MDT until September 18 at 5:00PM MDT by NWS Riverton WY

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