Flash Flood Warning Issued for Central Larimer County, CO
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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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