Flash Flood Warning — Western Arapahoe County, Colorado
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 13 at 5:35PM MDT until August 13 at 7:15PM MDT by NWS Denver CO
At 535 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, gulches, roads, and poor drainage and low-lying areas. Some locations that will experience flash flooding include... Southwestern Aurora, eastern Centennial, Greenwood Village, Foxfield and Cherry Creek Reservoir.
Effective August 13, 2026 at 7:35 PM ET · Expires August 13, 2026 at 9:15 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Denver CO
Expires
August 13, 2026 at 9:15 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from this storm will cause flash flooding of small creeks and streams, highways, streets, underpasses, drainage areas and other low lying spots.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Colorado
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Severe Thunderstorm Warning
Flood Advisory
Severe Thunderstorm Warning
Get Flash Flood Warning Alerts for Western Arapahoe County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flash Flood Warning mean for Western Arapahoe County, Colorado?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (just now). It's set to expire August 13, 2026 at 9:15 PM ET.
How do I get notified about Flash Flood Warning alerts for Western Arapahoe County?
Download StormCast free on Google Play and set Western Arapahoe County, Colorado as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for Denver County.