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This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
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About this graph
Graphical forecasts are not available for the North Fork Big Thompson River (CO) at Drake. During times of high water, forecast crest information can be found in the text products.
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Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 7
Moderate Flood Stage: 6
Flood Stage: 5.5
Action Stage: 4.5
Low Stage (in feet): -9999

Historic Crests
(1) 11.55 ft on 09/12/2013
(2) 9.31 ft on 07/31/1976
(3) 4.48 ft on 07/04/2021
(4) 3.76 ft on 05/24/2017
(5) 3.49 ft on 06/30/2019
(6) 3.19 ft on 06/02/2020
(7) 3.12 ft on 06/17/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.48 ft on 07/04/2021
(2) 3.19 ft on 06/02/2020
(3) 3.49 ft on 06/30/2019
(4) 3.12 ft on 06/17/2018
(5) 3.76 ft on 05/24/2017
(6) 11.55 ft on 09/12/2013
(7) 9.31 ft on 07/31/1976

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
8 This is a major, life threatening flood. There is extensive inundation of houses and businesses with severe damage to County Road 43 from Glen Haven through Drake.
7 Major flooding occurs along the river with County Road 43 likely damaged.
6.5 Water is up to the base of the bridges at Glen Haven and Drake. High water isolates houses.
6 Moderate flooding occurs with roads, homes, businesses and the Drake RV campground impacted.
5.5 Water overtops the road a mile east of Glen Haven and begins to affect some residences in Glen Haven.
4.5 Water overflows banks in the lowest areas adjacent to the river.
Additional Information Collapse
Observations provided by the Colorado Division of Water Resources in cooperation with the U.S. Bureau of Reclamation and Northern Water

How low could the river get?
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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Page last modified: 2-Nov-2020 7:28 PM
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