Rivermatics

USGS Streamgage 09291000

Lake Fork River below Moon Lake near Mountain Home, UT

Lake Fork River below Moon Lake near Mountain Home, UT is USGS streamgage 09291000 in Utah, monitoring river discharge in hydrologic subbasin 14060003. It sits on the Lake Fork River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 112 square miles. Discharge records at this site go back to 1922. Typical flow runs near 327 cfs in July and 27.6 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Utah
Drainage area
112 sq mi
Gauge elevation
7,928 ft
Subbasin (HUC-8)
14060003
Coordinates
40.55634, -110.48461
USGS site number
09291000
Records begin
1922-06-21 (104 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Lake Fork River below Moon Lake near Mountain Home, UT. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
20.1 40.5 56.4
4.8 33.1 60.3
2.7 25.6 59.4
1.9 19.2 54.9
0.5 11.3 47.7
0.3 8.5 43.3
0.2 7 43.3
0.1 5.7 41.8
0 4.8 41.5
0 4 39.8
0 3.5 39.2
0 3 35.5
0 2.7 34.7
0 2.4 33.7

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 84 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 0 0 8
February 0 0 7.9
March 0 0 9.4
April 0.2 27.6 131.2
May 132.9 286.1 454.2
June 165.4 316.6 755.7
July 176.6 327 489.3
August 64.5 249.1 371.4
September 6.7 105.4 264.8
October 0 11.4 120
November 0 0 18.8
December 0 0 7.1

All values in cubic feet per second (cfs).

Common questions

When does Lake Fork River below Moon Lake near Mountain Home, UT normally run highest?
July, on the long-term record. The median daily flow that month is about 327 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Lake Fork River below Moon Lake near Mountain Home, UT?
It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 8 cfs. The month-by-month table on this page gives the full range.
How long has Lake Fork River below Moon Lake near Mountain Home, UT been measured?
Discharge records at USGS site 09291000 begin in 1922, about 104 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Lake Fork River below Moon Lake near Mountain Home, UT?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Lake Fork River below Moon Lake near Mountain Home, UT?
The gauge sits at 40.55634, -110.48461, in Utah, in hydrologic subbasin 14060003, at an elevation of about 7,928 feet, draining roughly 112 square miles.
Can I use Lake Fork River below Moon Lake near Mountain Home, UT data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Lake Fork River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Lake Fork River in full.

Other gauges in this subbasin