LEMHI RIVER NR LEMHI ID
USGS 13305000 · Idaho · reports discharge (live), gauge height
USGS 13305000 · 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
Below 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 189 to 213 ft³/s; latest 205 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 | 205 | 3.97 | 236–315 |
| Nov 5, 7:00 PM MST | 205 | 3.97 | 236–315 |
| Nov 5, 6:00 PM MST | 200 | 3.95 | 236–315 |
| Nov 5, 5:00 PM MST | 202 | 3.96 | 236–315 |
| Nov 5, 4:00 PM MST | 205 | 3.97 | 236–315 |
| Nov 5, 3:00 PM MST | 202 | 3.96 | 236–315 |
| Nov 5, 2:00 PM MST | 202 | 3.96 | 236–315 |
| Nov 5, 1:00 PM MST | 200 | 3.95 | 236–315 |
| Nov 5, 12:00 PM MST | 197 | 3.94 | 236–315 |
| Nov 5, 11:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 10:00 AM MST | 194 | 3.93 | 236–315 |
| Nov 5, 9:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 8:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 7:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 6:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 5:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 4:00 AM MST | 205 | 3.97 | 236–315 |
| Nov 5, 3:00 AM MST | 194 | 3.93 | 236–315 |
| Nov 5, 2:00 AM MST | 197 | 3.94 | 236–315 |
| Nov 5, 1:00 AM MST | 205 | 3.97 | 236–315 |
| Nov 5, 12:00 AM MST | 200 | 3.95 | 236–315 |
| Nov 4, 11:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 10:00 PM MST | 194 | 3.93 | 238–320 |
| Nov 4, 9:00 PM MST | 194 | 3.93 | 238–320 |
| Nov 4, 8:00 PM MST | 197 | 3.94 | 238–320 |
| Nov 4, 7:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 6:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 5:00 PM MST | 194 | 3.93 | 238–320 |
| Nov 4, 4:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 3:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 2:00 PM MST | 197 | 3.94 | 238–320 |
| Nov 4, 1:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 12:00 PM MST | 200 | 3.95 | 238–320 |
| Nov 4, 11:00 AM MST | 200 | 3.95 | 238–320 |
| Nov 4, 10:00 AM MST | 197 | 3.94 | 238–320 |
| Nov 4, 9:00 AM MST | 197 | 3.94 | 238–320 |
| Nov 4, 8:00 AM MST | 202 | 3.96 | 238–320 |
| Nov 4, 7:00 AM MST | 200 | 3.95 | 238–320 |
| Nov 4, 6:00 AM MST | 205 | 3.97 | 238–320 |
| Nov 4, 5:00 AM MST | 202 | 3.96 | 238–320 |
| Nov 4, 4:00 AM MST | 202 | 3.96 | 238–320 |
| Nov 4, 3:00 AM MST | 205 | 3.97 | 238–320 |
| Nov 4, 2:00 AM MST | 205 | 3.97 | 238–320 |
| Nov 4, 1:00 AM MST | 205 | 3.97 | 238–320 |
| Nov 4, 12:00 AM MST | 205 | 3.97 | 238–320 |
| Nov 3, 11:00 PM MST | 202 | 3.96 | 229–310 |
| Nov 3, 10:00 PM MST | 205 | 3.97 | 229–310 |
| Nov 3, 9:00 PM MST | 202 | 3.96 | 229–310 |
| Nov 3, 8:00 PM MST | 197 | 3.94 | 229–310 |
| Nov 3, 7:00 PM MST | 194 | 3.93 | 229–310 |
| Nov 3, 6:00 PM MST | 197 | 3.94 | 229–310 |
| Nov 3, 5:00 PM MST | 194 | 3.93 | 229–310 |
| Nov 3, 4:00 PM MST | 197 | 3.94 | 229–310 |
| Nov 3, 3:00 PM MST | 191 | 3.92 | 229–310 |
| Nov 3, 2:00 PM MST | 191 | 3.92 | 229–310 |
| Nov 3, 1:00 PM MST | 191 | 3.92 | 229–310 |
| Nov 3, 12:00 PM MST | 194 | 3.93 | 229–310 |
| Nov 3, 11:00 AM MST | 194 | 3.93 | 229–310 |
| Nov 3, 10:00 AM MST | 194 | 3.93 | 229–310 |
| Nov 3, 9:00 AM MST | 197 | 3.94 | 229–310 |
| Nov 3, 8:00 AM MST | 197 | 3.94 | 229–310 |
| Nov 3, 7:00 AM MST | 197 | 3.94 | 229–310 |
| Nov 3, 6:00 AM MST | 194 | 3.93 | 229–310 |
| Nov 3, 5:00 AM MST | 194 | 3.93 | 229–310 |
| Nov 3, 4:00 AM MST | 194 | 3.93 | 229–310 |
| Nov 3, 3:00 AM MST | 194 | 3.93 | 229–310 |
| Nov 3, 2:00 AM MST | 197 | 3.94 | 229–310 |
| Nov 3, 1:00 AM MST | 202 | 3.96 | 229–310 |
| Nov 3, 12:00 AM MST | 200 | 3.95 | 229–310 |
| Nov 2, 11:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 10:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 9:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 8:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 7:00 PM MST | 197 | 3.94 | 227–311 |
| Nov 2, 6:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 5:00 PM MST | 202 | 3.96 | 227–311 |
| Nov 2, 4:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 3:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 2:00 PM MST | 202 | 3.96 | 227–311 |
| Nov 2, 1:00 PM MST | 202 | 3.96 | 227–311 |
| Nov 2, 12:00 PM MST | 200 | 3.95 | 227–311 |
| Nov 2, 11:00 AM MST | 202 | 3.96 | 227–311 |
| Nov 2, 10:00 AM MST | 202 | 3.96 | 227–311 |
| Nov 2, 9:00 AM MST | 202 | 3.96 | 227–311 |
| Nov 2, 8:00 AM MST | 205 | 3.97 | 227–311 |
| Nov 2, 7:00 AM MST | 211 | 3.99 | 227–311 |
| Nov 2, 6:00 AM MST | 208 | 3.98 | 227–311 |
| Nov 2, 5:00 AM MST | 211 | 3.99 | 227–311 |
| Nov 2, 4:00 AM MST | 205 | 3.97 | 227–311 |
| Nov 2, 3:00 AM MST | 211 | 3.99 | 227–311 |
| Nov 2, 2:00 AM MST | 205 | 3.97 | 227–311 |
| Nov 2, 1:00 AM MST | 211 | 3.99 | 227–311 |
| Nov 2, 12:00 AM MST | 208 | 3.98 | 227–311 |
| Nov 1, 11:00 PM MST | 211 | 3.99 | 228–316 |
| Nov 1, 10:00 PM MST | 208 | 3.98 | 228–316 |
| Nov 1, 9:00 PM MST | 211 | 3.99 | 228–316 |
| Nov 1, 8:00 PM MST | 211 | 3.99 | 228–316 |
| Nov 1, 7:00 PM MST | 211 | 3.99 | 228–316 |
| Nov 1, 6:00 PM MST | 208 | 3.98 | 228–316 |
| Nov 1, 5:00 PM MST | 213 | 4 | 228–316 |
| Nov 1, 4:00 PM MST | 211 | 3.99 | 228–316 |
| Nov 1, 3:00 PM MST | 213 | 4 | 228–316 |
| Nov 1, 2:00 PM MST | 211 | 3.99 | 228–316 |
| Nov 1, 1:00 PM MST | 213 | 4 | 228–316 |
| Nov 1, 12:00 PM MST | 208 | 3.98 | 228–316 |
| Nov 1, 11:00 AM MST | 200 | 3.95 | 228–316 |
| Nov 1, 10:00 AM MST | 202 | 3.96 | 228–316 |
| Nov 1, 9:00 AM MST | 202 | 3.96 | 228–316 |
| Nov 1, 8:00 AM MST | 205 | 3.97 | 228–316 |
| Nov 1, 7:00 AM MST | 205 | 3.97 | 228–316 |
| Nov 1, 6:00 AM MST | 200 | 3.95 | 228–316 |
| Nov 1, 5:00 AM MST | 202 | 3.96 | 228–316 |
| Nov 1, 4:00 AM MST | 202 | 3.96 | 228–316 |
| Nov 1, 3:00 AM MST | 202 | 3.96 | 228–316 |
| Nov 1, 2:00 AM MST | 202 | 3.96 | 228–316 |
| Nov 1, 1:00 AM MST | 200 | 3.95 | 228–316 |
| Nov 1, 1:00 AM MDT | 202 | 3.96 | 228–316 |
| Nov 1, 12:00 AM MDT | 202 | 3.96 | 228–316 |
| Oct 31, 11:00 PM MDT | 200 | 3.95 | 226–309 |
| Oct 31, 10:00 PM MDT | 202 | 3.96 | 226–309 |
| Oct 31, 9:00 PM MDT | 197 | 3.94 | 226–309 |
| Oct 31, 8:00 PM MDT | 197 | 3.94 | 226–309 |
| Oct 31, 7:00 PM MDT | 194 | 3.93 | 226–309 |
| Oct 31, 6:00 PM MDT | 194 | 3.93 | 226–309 |
| Oct 31, 5:00 PM MDT | 197 | 3.94 | 226–309 |
| Oct 31, 4:00 PM MDT | 197 | 3.94 | 226–309 |
| Oct 31, 3:00 PM MDT | 200 | 3.95 | 226–309 |
| Oct 31, 2:00 PM MDT | 200 | 3.95 | 226–309 |
| Oct 31, 1:00 PM MDT | 194 | 3.93 | 226–309 |
| Oct 31, 12:00 PM MDT | 197 | 3.94 | 226–309 |
| Oct 31, 11:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 10:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 9:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 8:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 7:00 AM MDT | 189 | 3.91 | 226–309 |
| Oct 31, 6:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 5:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 4:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 3:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 2:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 31, 1:00 AM MDT | 194 | 3.93 | 226–309 |
| Oct 31, 12:00 AM MDT | 191 | 3.92 | 226–309 |
| Oct 30, 11:00 PM MDT | 191 | 3.92 | 223–316 |
| Oct 30, 10:00 PM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 9:00 PM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 8:00 PM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 7:00 PM MDT | 191 | 3.92 | 223–316 |
| Oct 30, 6:00 PM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 5:00 PM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 4:00 PM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 3:00 PM MDT | 189 | 3.91 | 223–316 |
| Oct 30, 2:00 PM MDT | 191 | 3.92 | 223–316 |
| Oct 30, 1:00 PM MDT | 191 | 3.92 | 223–316 |
| Oct 30, 12:00 PM MDT | 191 | 3.92 | 223–316 |
| Oct 30, 11:00 AM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 10:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 9:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 8:00 AM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 7:00 AM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 6:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 5:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 4:00 AM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 3:00 AM MDT | 194 | 3.93 | 223–316 |
| Oct 30, 2:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 1:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 30, 12:00 AM MDT | 197 | 3.94 | 223–316 |
| Oct 29, 11:00 PM MDT | 194 | 3.93 | 221–311 |
| Oct 29, 10:00 PM MDT | 197 | 3.94 | 221–311 |
| Oct 29, 9:00 PM MDT | 194 | 3.93 | 221–311 |
Map of USGS gauge 13305000 and the river around it
Where LEMHI RIVER NR LEMHI ID sits, with 2 other gauges on the same river and our water's map point.
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.
Normal for Nov 5: 236–315 ft³/s (middle half of 65 years of record). Now: 205 ft³/s, below normal.
Below normal for this date. 205 ft³/s is between the 10th and 25th percentiles of daily mean flow for Nov 5 at this gauge over 65 years of record (1956–2024): 10th 197, 25th 236, median 268, 75th 315, 90th 364 ft³/s.
Daily means on record for Nov 5: lowest 134 ft³/s, highest 397 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 (+4.1% 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.
Species the agency lists for Lemhi River: Brook Trout, Bull Trout, Cutthroat Trout, Mountain Whitefish, Rainbow Trout, Redband Trout.
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 3.97 ft stage, 205 ft³/s at Nov 5, 7:00 PM MST (NWS gauge LERI1; its stage datum can differ from the USGS gauge height).
NWS river forecast forecast issued Nov 5, 8:46 AM MST. Highest point: 3.95 ft, 200 ft³/s on Nov 8, 11:00 PM MST (Below NWS action stage).
| Day | Stage | Flow |
|---|---|---|
| Thu, Nov 5 | 3.94 ft | 197 ft³/s |
| Fri, Nov 6 | 3.94 ft | 197 ft³/s |
| Sat, Nov 7 | 3.94 ft | 197 ft³/s |
| Sun, Nov 8 | 3.95 ft | 200 ft³/s |
| Mon, Nov 9 | 3.95 ft | 200 ft³/s |
| Tue, Nov 10 | 3.95 ft | 200 ft³/s |
| Wed, Nov 11 | 3.95 ft | 200 ft³/s |
| Thu, Nov 12 | 3.95 ft | 200 ft³/s |
| Fri, Nov 13 | 3.94 ft | 197 ft³/s |
| Sat, Nov 14 | 3.93 ft | 194 ft³/s |
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 8:20 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.