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

Flood Advisory issued September 18 at 1:51PM MDT until September 18 at 2:45PM MDT by NWS Riverton WY

The National Weather Service Riverton WY issued a Flood Advisory beginning September 18 at 1:51 PM MDT (2026-09-18T19:51:00Z) through 2:45 PM MDT (2026-09-18T20:45:00Z) for the Riverton, Wyoming area. The advisory indicates potential for localized flooding during that period.

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: 8/10How 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: 3/10The 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: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Localized flooding can threaten road safety, cause short-term property inundation, and disrupt travel. Residents and travelers in the Riverton area should be aware and avoid flooded roadways.

Location

Sources

Flood Advisory issued September 18 at 1:51PM MDT until September 18 at 2:45PM MDT by NWS Riverton WY

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