BIG LOST RIVER NR ARCO ID
USGS 13132500 · Idaho · reports discharge (live), gauge height
Reading BIG LOST RIVER NR ARCO ID…
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USGS 13132500 · Idaho · reports discharge (live), gauge height
What the agencies suggest
Carry a pocket thermometer to monitor water temperatureNational Park Service
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 5, 8:00 PM MST · provisional USGS data
Normal for Nov 5 Steady · 24 h Below NWS action stage
Discharge, last 7 days: 169 readings from Oct 29, 9:00 PM MDT to Nov 5, 8:00 PM MST; ranging 0 to 0 ft³/s; latest 0 ft³/s; shaded band: typical range (25th–75th percentile) for each date.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) | Normal, 25th–75th (ft³/s) |
|---|---|---|---|
| Nov 5, 8:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 7:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 6:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 5:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 4:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 3:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 2:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 1:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 12:00 PM MST | 0 | 2.01 | 0–95 |
| Nov 5, 11:00 AM MST | 0 | 2.01 | 0–95 |
| Nov 5, 10:00 AM MST | 0 | 2.01 | 0–95 |
| Nov 5, 9:00 AM MST | 0 | 2.01 | 0–95 |
| Nov 5, 8:00 AM MST | 0 | 2.01 | 0–95 |
| Nov 5, 7:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 6:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 5:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 4:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 3:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 2:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 1:00 AM MST | 0 | 2 | 0–95 |
| Nov 5, 12:00 AM MST | 0 | 2 | 0–95 |
| Nov 4, 11:00 PM MST | 0 | 2 | 0–92 |
| Nov 4, 10:00 PM MST | 0 | 2 | 0–92 |
| Nov 4, 9:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 8:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 7:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 6:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 5:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 4:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 3:00 PM MST | 0 | 2.02 | 0–92 |
| Nov 4, 2:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 1:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 12:00 PM MST | 0 | 2.01 | 0–92 |
| Nov 4, 11:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 10:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 9:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 8:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 7:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 6:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 5:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 4:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 3:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 2:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 1:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 4, 12:00 AM MST | 0 | 2.01 | 0–92 |
| Nov 3, 11:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 10:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 9:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 8:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 7:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 6:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 5:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 4:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 3:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 2:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 1:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 12:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 3, 11:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 3, 10:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 3, 9:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 3, 8:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 7:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 6:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 5:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 4:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 3:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 2:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 1:00 AM MST | 0 | 2 | 0–91 |
| Nov 3, 12:00 AM MST | 0 | 2 | 0–91 |
| Nov 2, 11:00 PM MST | 0 | 2 | 0–94 |
| Nov 2, 10:00 PM MST | 0 | 2 | 0–94 |
| Nov 2, 9:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 8:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 7:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 6:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 5:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 4:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 3:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 2:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 1:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 12:00 PM MST | 0 | 2.01 | 0–94 |
| Nov 2, 11:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 10:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 9:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 8:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 7:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 6:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 5:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 4:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 3:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 2:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 1:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 2, 12:00 AM MST | 0 | 2.01 | 0–94 |
| Nov 1, 11:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 10:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 9:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 8:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 7:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 6:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 5:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 4:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 3:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 2:00 PM MST | 0 | 2.02 | 0–91 |
| Nov 1, 1:00 PM MST | 0 | 2.02 | 0–91 |
| Nov 1, 12:00 PM MST | 0 | 2.01 | 0–91 |
| Nov 1, 11:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 10:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 9:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 8:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 7:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 6:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 5:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 4:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 3:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 2:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 1:00 AM MST | 0 | 2.01 | 0–91 |
| Nov 1, 1:00 AM MDT | 0 | 2.01 | 0–91 |
| Nov 1, 12:00 AM MDT | 0 | 2.01 | 0–91 |
| Oct 31, 11:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 10:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 9:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 8:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 7:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 6:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 5:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 4:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 3:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 2:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 1:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 12:00 PM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 11:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 10:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 9:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 8:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 7:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 6:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 5:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 4:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 3:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 2:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 1:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 31, 12:00 AM MDT | 0 | 2.01 | 0–89 |
| Oct 30, 11:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 10:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 9:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 8:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 7:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 6:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 5:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 4:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 3:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 2:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 1:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 12:00 PM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 11:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 10:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 9:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 8:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 7:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 6:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 5:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 4:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 3:00 AM MDT | 0 | 2 | 0–87 |
| Oct 30, 2:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 1:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 30, 12:00 AM MDT | 0 | 2.01 | 0–87 |
| Oct 29, 11:00 PM MDT | 0 | 2.01 | 0–88 |
| Oct 29, 10:00 PM MDT | 0 | 2.01 | 0–88 |
| Oct 29, 9:00 PM MDT | 0 | 2.01 | 0–88 |
Map of USGS gauge 13132500 and the river around it
Where BIG LOST RIVER NR ARCO ID sits, with 6 other gauges on the same river and our water's map point.
Normal for Nov 5: 0–95 ft³/s (middle half of 73 years of record). Now: 0 ft³/s, normal.
Normal for this date. 0 ft³/s is between the 25th and 75th percentiles of daily mean flow for Nov 5 at this gauge over 73 years of record (1947–2026): 10th 0, 25th 0, median 16, 75th 95, 90th 156 ft³/s.
Daily means on record for Nov 5: lowest 0 ft³/s, highest 798 ft³/s.
Classes as USGS labels them (hyswap: flow categories (WDFN_stats schema) (U.S. Geological Survey) ); percentiles from the USGS daily statistics (U.S. Geological Survey) (approved daily means; the reading is provisional and instantaneous).
Steady over 24 hours (+0% discharge). Rising or falling means a change of more than 10% in discharge (or 0.2 ft of gauge height) over 24 hours; our rule of thumb, not a USGS class.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer: the trout lines Idaho Fish and Game uses are 66°F and 73°F.
Species the agency lists for Big Lost River: Brook Trout, Cutthroat Trout, Rainbow Trout.
From our page for Big Lost River, on the same river as this gauge; the agency list is for the water, not this exact reach. Source: IDFG Recommended Fishing Waters (Idaho Fishing Planner) (Idaho Department of Fish and Game).
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
Flood categories: action stage, minor, moderate and major flooding (National Weather Service)Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
NWS observed 2.01 ft stage at Nov 5, 12:00 PM MST (NWS gauge ARCI1; its stage datum can differ from the USGS gauge height).
Forecasts are not available. Only observed stages are available for this point.
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 8:53 PM MST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.