Grand Countyarea
Jul 20, 2026, 5:42 PMeffective
Jul 20, 2026, 5:52 PMexpires
NWS Denversource
Warned area as issued by the National Weather Service
Full advisory
The Flood Advisory will expire at 545 PM MDT this afternoon for portions of north central and northeast Colorado, including the following areas, in north central Colorado, Grand County. In northeast Colorado, Boulder County.The heavy rain has ended. Small stream flooding is no longer expected to pose a threat. Please continue to heed any remaining closures.