Flash Flood Warning Issued for Central Larimer County, CO

Source: NOAA · Central Larimer County, Colorado

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NWS Denver has issued a Flash Flood Warning for central Larimer County until 6:30 PM MDT due to thunderstorms producing heavy rain and life-threatening flooding.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Central Larimer County, Colorado
Issued
August 14, 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

A Flash Flood Warning has been issued by the National Weather Service in Denver for central Larimer County in north central Colorado. The alert is effective from 3:37 PM MDT on August 14, 2026, until 6:30 PM MDT on the same day.

Affected Areas

The warning covers Central Larimer County. Specific locations that will experience flash flooding include Stove Prairie, Pennock Pass, and Buckhorn Mountain. This includes the following streams and drainages: Cache La Poudre River, Cow Creek, Pendergrass Creek, Black Creek, Grouse Creek, Eld Creek, Sheep Creek, Redstone Creek, Pennock Creek, North Fork Big Thompson River, South Fork Cache La Poudre River, Miller Fork, Buckhorn Creek, Big Thompson River, and North Fork Fish Creek.

What You Should Do

Move to higher ground now. Act quickly to protect your life. Avoid flooded areas.

Expected Conditions

At 3:37 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen, with additional rainfall amounts up to 1.5 inches possible. Flash flooding is ongoing or expected to begin shortly. Hazard includes life-threatening flash flooding of creeks and streams, roads, and low-lying areas.

Timeline

The Flash Flood Warning is in effect until 6:30 PM MDT on August 14, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Denver has issued a Flash Flood Warning for central Larimer County until 6:30 PM MDT due to thunderstorms producing heavy rain and life-threatening flooding.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central Larimer County, Colorado. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.