2025-12-22T17:00:00-07:00
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE AGAIN MONDAY... .Near record temperatures on Monday, combined with another period of gusty westerly winds across the Front Range foothills will lead to elevated to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Monday morning through Monday afternoon. * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From Monday morning through Monday afternoon. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 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.
Summary
Total streamflow across the
Yakima River
was last observed at
50,250
cfs, and is expected to yield approximately
99,670
acre-ft of water today; about 429%
of normal.
River levels are high.
Average streamflow for this time of year is
11,713 cfs,
with recent peaks last observed
on
2025-12-12 when daily discharge volume was observed at
92,900 cfs.
Maximum discharge along the river is currently at the
Yakima River At Kiona
reporting a streamflow rate of 16,600 cfs.
However, the streamgauge with the highest stage along the river is the
Yakima River Above Ahtanum Creek At Union Gap
with a gauge stage of 44.4 ft.
This river is monitored from 4 different streamgauging stations along the Yakima River, the highest being situated at an altitude of 1,338 ft, the
Yakima River At Umtanum.
River Details
| Last Updated | 2025-12-21 |
| Discharge Volume | 99,670 ACRE-FT |
| Streamflow |
50,250.0 cfs
-2580.0 cfs (-4.88%) |
| Percent of Normal | 429.03% |
| Maximum |
92,900.0 cfs
2025-12-12 |
| Seasonal Avg | 11,713 cfs |
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Yakima River At Umtanum
USGS 12484500 |
4850 cfs | 33.1 ft | -22.15 | |||||
|
Yakima River Above Ahtanum Creek At Union Gap
USGS 12500450 |
12900 cfs | 44.4 ft | -13.42 | |||||
|
Yakima River At Mabton
USGS 12508990 |
15900 cfs | 18.69 ft | -3.05 | |||||
|
Yakima River At Kiona
USGS 12510500 |
16600 cfs | 12.23 ft | 8.5 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The Yakima River is a tributary of the Columbia River in south central and eastern Washington state, named for the indigenous Yakama people. The length of the river from headwaters to mouth is 214 miles (344 km), with an average drop of 9.85 feet per mile (1.866 m/km). It is the longest river entirely in Washington state.
Private Land Boundary To Head Of Lake Cle Elum Reservoir