Henrys Fork Nr Ashton ID
Fremont County, Idaho · USGS 13046000
Latest observation
What this gauge represents: This gauge measures conditions on Henrys Fork at its USGS monitoring location in Fremont County; conditions elsewhere on the waterway may differ.
Observed · 41 minutes ago
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Below historical median · Steady
Streamflow is currently 717 ft³/s, 43% below the historical median for this date. Flow has been relatively steady over the past 24 hours.
USGS-reported historical daily median for 09-27: 1,260 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 1,410 CFS |
| Aug 29, 2026, 12:00 AM | 1,360 CFS |
| Aug 30, 2026, 12:00 AM | 1,350 CFS |
| Aug 31, 2026, 12:00 AM | 1,340 CFS |
| Sep 1, 2026, 12:00 AM | 1,660 CFS |
| Sep 2, 2026, 12:00 AM | 1,690 CFS |
| Sep 3, 2026, 12:00 AM | 1,630 CFS |
| Sep 4, 2026, 12:00 AM | 1,700 CFS |
| Sep 5, 2026, 12:00 AM | 1,790 CFS |
| Sep 6, 2026, 12:00 AM | 1,770 CFS |
| Sep 7, 2026, 12:00 AM | 1,670 CFS |
| Sep 8, 2026, 12:00 AM | 1,660 CFS |
| Sep 9, 2026, 12:00 AM | 1,660 CFS |
| Sep 10, 2026, 12:00 AM | 1,660 CFS |
| Sep 11, 2026, 12:00 AM | 1,660 CFS |
| Sep 12, 2026, 12:00 AM | 1,650 CFS |
| Sep 13, 2026, 12:00 AM | 1,680 CFS |
| Sep 14, 2026, 12:00 AM | 1,670 CFS |
| Sep 15, 2026, 12:00 AM | 1,650 CFS |
| Sep 16, 2026, 12:00 AM | 1,620 CFS |
| Sep 17, 2026, 12:00 AM | 1,510 CFS |
| Sep 18, 2026, 12:00 AM | 1,500 CFS |
| Sep 19, 2026, 12:00 AM | 1,150 CFS |
| Sep 20, 2026, 12:00 AM | 978 CFS |
| Sep 21, 2026, 12:00 AM | 799 CFS |
| Sep 22, 2026, 12:00 AM | 723 CFS |
| Sep 23, 2026, 12:00 AM | 677 CFS |
| Sep 24, 2026, 12:00 AM | 721 CFS |
| Sep 25, 2026, 12:00 AM | 732 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
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