Rivers in Colorado

Blue River (CO) below Dillon

Summit County, ColoradoNWS BLRC2USGS 09050700Boulder office

Below flood stage
0.86ftStage

Observed Mon, Sep 21, 4:15 PM MDT

Flood stage
4.00 ft
Forecast crest
0.86 ftMon, Sep 21, 5:00 PM MDT
Record crest
3.95 ft1983

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood7.00 ft
Moderate flood5.50 ft
Minor flood4.00 ft
Action3.50 ft
  1. 7.00 ftWidespread, major flooding occurs with several bridges overtopped downstream of Dillon Dam. Many roads, homes and businesses are impacted.
  2. 6.50 ftWater flows over the 6th Street bridge and into businesses in Silverthorne.
  3. 6.00 ftColorado Highway 9 is overtopped near Silverthorne.
  4. 5.00 ftHomes flood along the Blue River in Silverthorne.
  5. 4.00 ftHomes flood in the South 40 Subdivision in northern Silverthorne.
  6. 3.70 ftWater approaches yards in the South 40 Subdivision in northern Silverthorne and walkways along the Blue River in Silverthorne.

Crest history

59 crests on NOAA’s list since 1960.

#DateStage
1June 22, 19833.95 ft
2July 6, 20193.89 ft
3May 25, 19843.88 ft
4June 10, 19853.83 ft
5June 17, 20153.78 ft
6July 14, 19953.76 ft
7July 9, 20113.74 ft
8June 26, 19713.68 ft
9June 8, 20143.68 ft
10June 10, 19723.64 ft
11June 7, 20103.64 ft
12May 23, 19703.63 ft
13June 23, 19993.63 ft
14June 11, 19963.61 ft
15June 14, 19623.60 ft
16June 14, 19973.57 ft
17June 4, 20093.57 ft
18May 12, 19863.56 ft
19June 10, 20173.46 ft
20June 17, 19603.44 ft
21June 14, 20163.42 ft
22June 29, 19733.39 ft
23June 11, 19883.38 ft
24May 31, 20003.31 ft
25June 19, 20073.30 ft

Most recent crests

  • August 4, 2021: 1.95 ft
  • June 1, 2020: 2.86 ft
  • July 6, 2019: 3.89 ft
  • May 31, 2018: 2.66 ft
  • June 10, 2017: 3.46 ft
  • June 14, 2016: 3.42 ft
  • June 17, 2015: 3.78 ft
  • June 8, 2014: 3.68 ft
  • September 25, 2013: 1.41 ft
  • June 6, 2012: 1.07 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Colorado Basin River Forecast Center. Forecasts are issued routinely year-round. Gauge reading affected by reservoir operations. Stage may be affected by ice during winter months.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.