River stage
Granby, Colorado River
- River level
- 1.09 ft
- Status
- Below flood stage
- 7-day change
- -0.67 ft
- Recent high
- 2.34 ft
- Recent low
- 1.16 ft
Last reported 2026-10-13 | NWS CBGC2
- 30-day change
- -0.78 ft
- Average
- 1.77 ft
- Readings
- 110
- Data span
- 110 days
- Record crest
- 5.76 ft
In brief
The Colorado River at Granby, CO read 1.09 ft on Oct 13, 2026, 3.91 ft below action stage. That is 0.78 ft lower than 30 days earlier.
Source: National Weather Service gauge CBGC2
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 5.76 ft | 1996-06-22 |
| 2 | 5.55 ft | 2015-06-18 |
| 3 | 5.47 ft | 2011-06-26 |
| 4 | 5.39 ft | 1983-07-11 |
| 5 | 5.04 ft | 1984-07-01 |
| 6 | 4.89 ft | 1997-06-12 |
| 7 | 4.45 ft | 2017-06-22 |
| 8 | 4.28 ft | 2016-06-22 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 5.00 ft
Water begins to overflow into low lying areas along the river.
- 6.00 ft
Widespread lowland and meadow flooding occurs along the river.
- 6.50 ft
Floodwaters begin to impact secondary roads. Outbuildings flood north of Granby.
- 7.00 ft
Water flows over U.S. Highway 40 at Windy Gap. Road closures are expected.
- 7.50 ft
Agricultural and pasture lands are inundated. Debris in the river could block flows at bridges.
- 8.00 ft
Houses flood north of Granby.
- 9.00 ft
Major flooding occurs with homes and businesses impacted. The railroad tracks at Windy Gap flood.
- 10.00 ft
Extensive life-threatening flooding will occur along the Colorado River. U.S. Highway 34 floods north of Granby.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Colorado River flooding at Granby?
No. The Colorado River at Granby is at 1.09 ft, 3.91 ft below action stage.
What is the flood stage at Granby?
The National Weather Service sets action stage 5 ft, minor flooding 6 ft, moderate flooding 7 ft and major flooding 9 ft.
What is the highest the Colorado River has been at Granby?
The highest crest on record is 5.76 ft, on 1996-06-22.
Is the Colorado River high or low right now at Granby?
At 1.09 ft it is higher than 0% of readings over the last 110 days.
Stage and flood information from the NOAA National Weather Service (gauge CBGC2); daily history from the U.S. Geological Survey (site 09019500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.