Flood Advisory — Larimer 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 7:25PM MDT until August 13 at 10:30PM MDT by NWS Denver CO
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...East Central Larimer County in north central Colorado... * WHEN...Until 1030 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. * ADDITIONAL DETAILS... - At 725 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 1.5 inches of rain have fallen. - This includes the following streams and drainages... Cache La Poudre River, Mill Creek, Dry Creek, Spring Creek, Coal Creek and Boxelder Creek. Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Fort Collins, Wellington, Bellvue, Teds Place and Laporte.
Effective August 13, 2026 at 9:25 PM ET · Expires August 14, 2026 at 12:30 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Denver CO
Expires
August 14, 2026 at 12:30 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, highways, streets, underpasses, drainage areas and other low lying spots.
Other Active Alerts in Colorado
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Flash Flood Warning
Flood Advisory
Flood Advisory
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Frequently Asked Questions
What does a Flood Advisory mean for Larimer 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 12:30 AM ET.
How do I get notified about Flood Advisory alerts for Larimer County?
Download StormCast free on Google Play and set Larimer 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.