This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Banner County Area Flooding — August 2026 →
Flash Flood Warning issued August 14 at 2:57PM MDT until August 14 at 6:00PM MDT by NWS Denver CO
This is a severe-significance flash flood warning event affecting Adams, CO; Central Arapahoe, CO; Eastern Arapahoe, CO, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 123,596 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
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Adams, CO; Central Arapahoe, CO; Eastern Arapahoe, CO), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Adams, CO; Central Arapahoe, CO; Eastern Arapahoe, CO · ≈ 190 sq mi reported extent · Enable JavaScript to explore the map.
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.
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.
- Bulletin NWS Denver CO
Flash Flood Warning issued
Adams, CO; Central Arapahoe, CO; Eastern Arapahoe, CO
- News Fox 59
State of emergency declared in Hamilton County
- Storm report NWS BOU storm report
FLASH FLOOD — 3 NE Cherry Hills Villa, CO
Water from Goldsmith Gulch flowing over a bike path. Time estimated from the peak flow at a stream gauge approximately a half of a mile downstream.
- News 10TV
DeWine visits American Red Cross shelter in Perry County following severe flooding
Show 1 earlier update
- FOX19 | Cincinnati News
Storm damage leaves thousands without power in Clermont, Adams counties
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.