Red Flag Warning
2026-08-04T21:00:00-06:00

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

Realtime Data

Utah

Green River

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Red Flag Warning
Until 2026-08-03T12:30:00-06:00 • National Weather Service
* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

GREEN RIVER AT GREEN RIVER, UT

Realtime Data • Report • Conditions

1,840

Discharge (cfs)

6.0

Gauge Height (ft)

USGS 09315000

Streamflow discharge was last observed at 1,840 cfs, and a gauge height of 6.00 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 2,058 .

Weather today, Tomorrow,

The flow is primarily supplied by snowmelt from the Rocky Mountains, with some contributions from smaller tributaries. Notable dams include the Flaming Gorge Dam and the Green River Diversion Dam. Seasonal trends show peak flow during spring and early summer, followed by a gradual decline throughout the rest of the year. Interestingly, the Green River is known for its striking emerald green color, caused by suspended sediment and dissolved minerals. Overall, the hydrology of the Green River is complex and dynamic, playing a vital role in the ecological and economic systems of the region.

August 3, 2026

Elevation	4,045.0 ft
Last Updated
Gage height, ft	6.0 ft
Streamflow, ft³/s	1840.0 ft3/s
Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C	716.0 uS/cm @25C
Dissolved oxygen, water, unfiltered, mg/L	6.6 mg/l
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU)	175.0 FNU
pH, water, unfiltered, field, standard units	8.4 std units
Temperature, air, °C	24.9 deg C
Temperature, water, °C	26.9 deg C
Relative humidity, percent	44.6 %
Wind speed, mph	0.7 mph
Wind direction, degrees clockwise from north	211.9 Deg
Barometric pressure, not corrected to sea level, mbar	870.0 mbar
Precipitation, total, in	0.0 in
Percent of Normal	77%
Year Over Year Average	2,405 cfs
24hr Flow Prediction	cfs
Maximum Recorded	43,700 cfs

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Green River At Green River, Ut Realtime Data

GREEN RIVER AT GREEN RIVER, UT

Realtime Data • Report • Conditions

1,840

Discharge (cfs)

6.0

Gauge Height (ft)

August 3, 2026

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Green River At Green River, Ut Realtime Data

GREEN RIVER AT GREEN RIVER, UT

Realtime Data • Report • Conditions

1,840

Discharge (cfs)

6.0

Gauge Height (ft)

August 3, 2026

Seasonal Comparison

Oceanic Nino Index

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