Flood Advisory — Weld 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 8:04PM MDT until August 13 at 11:00PM MDT by NWS Denver CO
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Western Weld County in northeastern Colorado... * WHEN...Until 1100 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. * ADDITIONAL DETAILS... - At 804 PM MDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This may cause urban and small stream flooding. Between 0.5 and 2 inches of rain have fallen. - This includes the following streams and drainages... Cache La Poudre River and Boxelder Creek. Additional rainfall amounts up to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Severance, Ault, Black Hollow Reservoir and New Windsor Reservoir.
Effective August 13, 2026 at 10:04 PM ET · Expires August 14, 2026 at 1:00 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Denver CO
Expires
August 14, 2026 at 1:00 AM ET
Last Checked
2 minutes 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 flooding of small creeks and streams, highways and underpasses. Additionally, country roads, farmlands along the banks of creeks, and other low lying areas are subject to flooding.
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Frequently Asked Questions
What does a Flood Advisory mean for Weld 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 (2 minutes ago). It's set to expire August 14, 2026 at 1:00 AM ET.
How do I get notified about Flood Advisory alerts for Weld County?
Download StormCast free on Google Play and set Weld 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.