First published Oct 12, 2026, 1:37:15 AM UTC · Last updated Oct 12, 2026, 1:37:15 AM UTC

Flood Watch issued October 11 at 7:26PM MDT until October 12 at 6:00PM MDT by NWS Pocatello ID

Event: Flood Watch. Affected area: Shoshone/Lava Beds; Arco/Mud Lake Desert; Upper Snake River Plain; Lower Snake River Plain; Eastern Magic Valley; Southern Hills/Albion Mountains; Raft River Region; Marsh and Arbon Highlands; Franklin/Eastern Oneida Region; Bear River Range; Bear Lake Valley; Blackfoot Mountains; Caribou Range; Big Hole Mountains; Teton Valley; Centennial Mountains/Island Park; Beaverhead/Lemhi Highlands; Sun Valley Region; Wood River Foothills. Severity: Severe; urgency: Future; certainty: Possible. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, eastern, south central, and southeast Idaho, including the following areas, in central Idaho, Sun Valley Region and Wood River Foothills. In eastern Idaho, Beaverhead - Lemhi Highlands, Big Hole Mountains, Centennial Mountains - Island Park and Teton Valley. In south central Idaho, Eastern Magic Valley and Shoshone/Lava Beds. In southeast Idaho, Arco/Mud Lake Desert, Bear Lake Valley, Bear River Range, Blackfoot Mountains, Caribou Range, Franklin/Eastern Oneida Region, Lower Snake River Plain, Marsh and Arbon Highlands, Raft River Region, Southern Hills/Albion Mountains and Upper Snake River Plain. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A prolonged period of rainfall could lead to some flooding across parts of th

Illustrative image: The Salmon River is located in Idaho in the northwestern United States. The Salmon is also known as "The River of No Return". It flows for 425 miles (685 km) through central Idaho, draining a rugged, thinly populated watershed of 14,000 square miles (36,000 km2) and dropping more than 7,000 feet (2,100 m) between its headwaters, near Galena Summit above the Sawtooth Valley in the Sawtooth National Recreation Area, and its confluence with the Snake River. Measured at White Bird, its average disch — Ken Lund/Wikimedia Commons, CC BY-SA 2.0

Why it matters

The watch identifies possible flooding in rivers, creeks, streams, and other low-lying or flood-prone locations across the affected Idaho regions.

Location

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

Sources

Primary official sourceFlood Watch issued October 11 at 7:26PM MDT until October 12 at 6:00PM MDT by NWS Pocatello ID

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