South Platte River at Fort Lupton, Co.
Is South Platte River at Fort Lupton, Co. flooding right now?
South Platte River at Fort Lupton, Co. measured 3.11 ft on 2026-09-11 01:00:00 UTC. That observation was 7.9 ft below its 11 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.11 ft
Streamflow
70 cfs
Minor flooding here begins at 11 ft, with major flooding at 15 ft. The highest crest on record was 10.98 ft on Fri, Sep 13, 2013.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 10 ft | 6.9 ft below |
| Minor flood | 11 ft | 7.9 ft below |
| Moderate flood | 13 ft | 9.9 ft below |
| Major flood | 15 ft | 11.9 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 10.98 ft | 2013-09-13 |
| 10.82 ft | 2015-06-12 |
| 10.44 ft | 2007-04-25 |
| 9.93 ft | 2004-08-19 |
| 9.81 ft | 2011-07-13 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Big Dry Creek at Mouth near Fort Lupton, CO | 3.3 mi | Weld County |
| St Vrain Creek below Boulder Creek at Hwy 119 near Longmont | 10.5 mi | Weld County |
| Boulder Creek at Mouth near Longmont, CO | 10.8 mi | Weld County |
| St. Vrain Creek below Longmont, CO | 10.8 mi | Weld County |
| Left Hand Creek at Hover Road near Longmont, CO | 16.6 mi | Boulder County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.