This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
2 concurrent flood warnings — 4 counties affected
A severe flood outbreak affected Mesa, San Miguel, Rio Blanco, and San Juan counties in Colorado on July 20–21, 2026, bringing water damage and mold risk to homes across the region.
Overview written from official NOAA / National Weather Service data.
- Type
- Flood Outbreak
- Extent
- ≈ 469,401 acres
- Began
- To end
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected area map
Each shaded area is one covered warning's reported footprint — this outbreak groups the 8 warnings listed below, colored by hazard type. Press Play below to watch each footprint appear in the order it was issued. Pan and zoom to explore the map.
Interactive affected-area map
Mesa County, CO; San Miguel County, CO; Rio Blanco County, CO; San Juan County, CO · ≈ 730 sq mi reported extent · Enable JavaScript to explore the map.
2026-07-21 03:08 UTC · snapshot 7 of 7
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Restoration help near this event
Tap your city for a vetted local pro on that service, answered 24/7. Where we don't have a nearby city page yet, the step-by-step guides cover what to do first.
Water damage restoration
What to do now
Mold remediation
What to do now
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- News Mesa County
Federal grant helps fund Douglas Wash flood protection design
- Storm report NWS GJT storm report
DEBRIS FLOW — 3 SW New Castle, CO
Between Lyons Boulevard and Weare Lane (2 miles east of the Silt area) from Mile Point 100 to Mile Point 103.
- News Mesa County
Snyder Fire response shifts to recovery as local disaster declaration ends
- News FOX19 | Cincinnati
Hyde Park, Mt. Lookout businesses continue to recover after deadly flash floods
Show 18 earlier updates
- NWS Grand Junction CO Bulletin
- NWS Grand Junction CO Bulletin
- NWS Grand Junction CO Bulletin
- Colorado Public Radio News
Mesa County sheriff’s lawsuit against the state and its immigration laws thrown out by a judge
- NWS Grand Junction CO Bulletin
- NWS Grand Junction CO Bulletin
- NWS Grand Junction CO Bulletin
- NWS Grand Junction CO Bulletin
- NWS Grand Junction CO Bulletin
- KJCT News
- NWS GJT storm report Storm report
- Houston Public Media News
Hundreds protest ICE operations in Houston, demand justice for Lorenzo Salgado Araujo
- The Colorado Sun News
Coloradans begin cleanup after rainstorms caused Western Slope mudslides
- The Colorado Sun News
Wildfires scorch Colorado as crews race to fortify containment lines
- 9News News
- Denver Gazette News
Popular mountain pass in Colorado closed due to flooding and mudslides
- CBS News News
Heavy rain, mudslide floods Colorado school, theater: "We've already been through enough"
- KJCT News
Heavy rain triggers massive mudslides at Curecanti, stranding 21 people
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.
Warnings covered
Warnings this outbreak covered
This page tracks the outbreak as a whole; each entry below is one official warning thread with its own live status, map and update log.
- Flash Flood Warning — Delta, CO +1Delta, CO; Mesa, COsevereEnded
- Flash Flood Warning — Mesa, COMesa, COsevereEnded
- Flash Flood Warning — Mesa, COMesa, COsevereEnded
- Flash Flood Warning — Mesa, COMesa, COsevereEnded
- Flash Flood Warning — Mesa, CO +1Mesa, CO; Grand, UTsevereEnded
- Flash Flood Warning — Montrose, CO +1Montrose, CO; San Juan, UTsevereEnded
- Flash Flood Warning — Rio Blanco, CORio Blanco, COsevereEnded
- Flash Flood Warning — San Miguel, COSan Miguel, COsevereEnded