ModerateFloodActiveNWS Grand Junction CO
Flood Watch
Gunnison County · Started Sep 29, 2026 at 11:22 AM · Updated 1h ago
Gunnison Countyarea
Sep 29, 2026, 11:22 AMeffective
Sep 30, 2026, 6:00 AMexpires
NWS Grand Junction COsource
Warned area as issued by the National Weather Service
Full advisory
WHAT
Flooding caused by excessive rainfall continues to be possible.
WHERE
A portion of southwest Colorado, including the following areas, Northwest San Juan Mountains, San Juan River Basin and Southwest San Juan Mountains.
WHEN
Through late Wednesday night.
IMPACTS
Flooding will be possible over burn scars, at low-water crossings, and along creeks, streams, washes, arroyos and other flood-prone locations. Creeks and streams may rise out of their banks. Unpaved roads could become muddy and impassable.
ADDITIONAL DETAILS
- Periods of heavy rainfall, associated with remnant moisture from Hurricane Polo, are expected to produce numerous showers and embedded thunderstorms. Heavy rain falling on saturated soils and burn scars could lead to localized flash flooding and rises on local rivers. Rainfall is expected to end by late Wednesday, but rivers may rise out of their banks overnight Wednesday even after rainfall has ended. - http://www.weather.gov/safety/flood