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

Flood Advisory issued September 18 at 2:32PM MDT until September 18 at 4:30PM MDT by NWS Riverton WY

The National Weather Service in Riverton, WY issued a Flood Advisory on Sept. 18 beginning at 2:32 PM MDT and set to expire at 4:30 PM MDT the same day, indicating potential localized flooding in 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: 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: 4/10The 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: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Flood advisories warn of short-term flooding that can impact roads, low-lying areas, and property; residents and travelers in the Riverton area should exercise caution and monitor updates from local authorities.

Location

Sources

Flood Advisory issued September 18 at 2:32PM MDT until September 18 at 4:30PM MDT by NWS Riverton WY

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