South Platte River at Fort Lupton, CO
River level and flood forecast · Weld County
Normal3.4 ftas of Mon 2 PM
The river is 7.6 ft below flood stage (11 ft).
Flow: 140 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 15 ft |
| Moderate flood stage | 13 ft |
| Flood stage | 11 ft |
| Action stage | 10 ft |
| Record crest (September 13, 2013) | 10.98 ft |
What floods at each level
From the National Weather Service, highest first.
- 15 ftNumerous roads along and crossing the river are damaged and impassable. There is extensive flooding of agricultural land and inundation of structures near the river.
- 14 ftSignificant flooding is likely, including some structures near the river between Fort Lupton and Platteville.
- 13 ftWater flows over or around several bridges crossing the river. There is moderate flooding and damage to agricultural lands.
- 12 ftSignificant lowland flooding occurs.
- 11 ftThe river overflows its banks flooding agricultural lands. This level represents a flood that has a 10-percent chance of being equaled or exceeded in any given year. For more information click <a href="inundation/faq_google.php">here</a>.
- 10 ftHigh flows begin to affect rural lowlands immediately adjacent to the river.
Highest crests on record
- 10.98 ft — September 13, 2013
- 10.82 ft — June 12, 2015
- 10.44 ft — April 25, 2007
- 9.93 ft — August 19, 2004
- 9.81 ft — July 13, 2011
Recent crests: 7.23 ft (June 26, 2021) · 6.93 ft (May 25, 2020) · 7.05 ft (July 21, 2019) · 6.71 ft (July 24, 2018) · 8.55 ft (May 18, 2017)
Up and down the river, and nearby
- Saint Vrain Creek below Longmont, CO
- Boulder Creek (CO) at North 75TH St., CO
- Big Thompson River (CO) at Loveland, CO
- Sand Creek (CO) near Commerce City, CO
- Clear Creek (CO) at Golden, CO
- South Platte River at Englewood, CO
- Cache La Poudre River (CO) at Fort Collins, CO
- North Clear Creek (CO) below Blackhawk, CO
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LUPC2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.