Red Flag Warning
2025-12-20T00:00:00-07:00

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT... West west winds of 20-35 mph with gusts as high as 60 mph in wind prone areas near the base of the foothills will continue into this evening. They will also be spreading east onto the nearby adjacent plains and I-25 Corridor through late evening and overnight. While the Particularly Dangerous Situation for the foothills of Boulder and northern Jefferson Counties has eased, Red Flag conditions will remain in place as we stay in a near record warm, dry, and windy airmass along the Front Range through midnight. In fact, strong, gusty winds will persist through much of the night with only a slow improvement in humidity values. Thus, near critical Red Flag conditions will occur into early Saturday morning. * AFFECTED AREA...Fire Weather Zones 238, 240, 241, 242 and 243. * TIMING...Until midnight MST tonight. * WINDS...West 15 to 25 mph with gusts up to 50 mph west of I-25. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.


COLO RIVER

Last Updated: December 19, 2025

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 1 streamgages of the Colo River


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Colo River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Colo River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Colo River Blw Grd Valley Div Nr Palisade Co
USGS 09106150
1190 cfs 4.06 ft -7.75
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

It is approximately 86 km in length and has a catchment area of 1,632 km2. The river was originally inhabited by the Darug Aboriginal people, and European settlers arrived in the area in the early 1800s. Today, the Colo River is used for agricultural purposes, including grazing and horticulture. It also serves as a recreational area for activities such as swimming and canoeing. The river is home to several dams and reservoirs, including the Warragamba Dam, which is the primary source of drinking water for Sydney. The Colo River is an important waterway for the region, providing water for irrigation and domestic use, as well as supporting a range of aquatic and terrestrial ecosystems.