Flood Advisory — Adams County, Colorado
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 13 at 7:49PM MDT until August 13 at 10:45PM MDT by NWS Denver CO
* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Eastern Adams County in northeastern Colorado... Arapahoe County in northeastern Colorado... Southern Morgan County in northeastern Colorado... West Central Washington County in northeastern Colorado... * WHEN...Until 1045 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. * ADDITIONAL DETAILS... - At 749 PM MDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This may cause small stream flooding. Between 0.5 and 2 inches of rain have fallen. - This includes the following streams and drainages... Sherman Ranch Slough, Sand Creek, Comanche Creek, Beaver Creek, Poision Springs Creek, Muddy Creek, West Bijou Creek, East Fork Little Muddy Creek, Antelope Creek, Buck Creek, Middle Bijou Creek, Wolf Creek, Little Antelope Creek, Badger Creek, East Bijou Creek, Bijou Creek, Mule Creek, Rock Creek, West
Effective August 13, 2026 at 9:49 PM ET · Expires August 14, 2026 at 12:45 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Denver CO
Expires
August 14, 2026 at 12:45 AM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause minor flooding of small creeks and streams, country roads, farmland along creeks, and other low lying areas.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Colorado
Flood Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Flood Advisory
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Frequently Asked Questions
What does a Flood Advisory mean for Adams County, Colorado?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 14, 2026 at 12:45 AM ET.
How do I get notified about Flood Advisory alerts for Adams County?
Download StormCast free on Google Play and set Adams 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 Flood Advisory is also in effect for Arapahoe County, Morgan County.