Flash Flood Warning Issued for East Central Douglas County, CO
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NWS Denver has issued a Flash Flood Warning for East Central Douglas County in northeastern Colorado until 5:00 PM MDT on August 22, 2026, due to thunderstorms producing heavy rain.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- East Central Douglas County, Colorado
- Issued
- August 22, 2026
- Issuing authority
- NWS Denver CO
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Flash Flood Warning issued by NWS Denver CO. Effective from August 22, 2026 at 2:13 PM MDT until August 22, 2026 at 5:00 PM MDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
East Central Douglas County in northeastern Colorado, including Castlewood Canyon. This covers streams and drainages including Cherry Creek, Willow Creek, East Plum Creek and Lake Gulch.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Expected Conditions
At 2:13 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible. Hazard: Flash flooding caused by thunderstorms. Impact: Flash flooding of small creeks and streams, gulches, roads, and poor drainage and low-lying areas.
Timeline
Alert effective August 22, 2026 at 2:13 PM MDT. Expires and ends August 22, 2026 at 5:00 PM MDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,229 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 22, 2026.
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