SF BOISE RIVER AT NEAL BRIDGE NR ARROWROCK DAM ID
USGS 13192200 · Idaho · reports water temperature
Reading SF BOISE RIVER AT NEAL BRIDGE NR ARROWROCK DAM ID…
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USGS 13192200 · Idaho · reports water temperature
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, 7:45 PM MST · provisional USGS data
No flow here now. USGS stopped publishing discharge at this gauge on Oct 1, 2019; it still reports what is shown. Flow on the same river: SF BOISE RIVER AT ANDERSON RANCH DAM ID (USGS 13190500, 18.8 miles away).
Water temperature, last 7 days: 169 readings from Oct 29, 8:45 PM MDT to Nov 5, 7:45 PM MST; ranging 47.3 to 52.3 °F; latest 47.3 °F.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Water temperature (°F) |
|---|---|
| Nov 5, 7:45 PM MST | 47.3 |
| Nov 5, 6:45 PM MST | 47.5 |
| Nov 5, 5:45 PM MST | 47.8 |
| Nov 5, 4:45 PM MST | 48 |
| Nov 5, 3:45 PM MST | 48.2 |
| Nov 5, 2:45 PM MST | 48 |
| Nov 5, 1:45 PM MST | 48.2 |
| Nov 5, 12:45 PM MST | 48.4 |
| Nov 5, 11:45 AM MST | 48.2 |
| Nov 5, 10:45 AM MST | 48 |
| Nov 5, 9:45 AM MST | 48 |
| Nov 5, 8:45 AM MST | 48.2 |
| Nov 5, 7:45 AM MST | 48.4 |
| Nov 5, 6:45 AM MST | 48.7 |
| Nov 5, 5:45 AM MST | 48.9 |
| Nov 5, 4:45 AM MST | 49.1 |
| Nov 5, 3:45 AM MST | 49.3 |
| Nov 5, 2:45 AM MST | 49.6 |
| Nov 5, 1:45 AM MST | 49.8 |
| Nov 5, 12:45 AM MST | 50 |
| Nov 4, 11:45 PM MST | 49.8 |
| Nov 4, 10:45 PM MST | 49.6 |
| Nov 4, 9:45 PM MST | 49.3 |
| Nov 4, 8:45 PM MST | 48.7 |
| Nov 4, 7:45 PM MST | 48.4 |
| Nov 4, 6:45 PM MST | 48.6 |
| Nov 4, 5:45 PM MST | 48.9 |
| Nov 4, 4:45 PM MST | 49.1 |
| Nov 4, 3:45 PM MST | 49.3 |
| Nov 4, 2:45 PM MST | 49.1 |
| Nov 4, 1:45 PM MST | 49.3 |
| Nov 4, 12:45 PM MST | 49.3 |
| Nov 4, 11:45 AM MST | 49.1 |
| Nov 4, 10:45 AM MST | 48.7 |
| Nov 4, 9:45 AM MST | 48.4 |
| Nov 4, 8:45 AM MST | 48.4 |
| Nov 4, 7:45 AM MST | 48.4 |
| Nov 4, 6:45 AM MST | 48.4 |
| Nov 4, 5:45 AM MST | 48.6 |
| Nov 4, 4:45 AM MST | 48.7 |
| Nov 4, 3:45 AM MST | 48.7 |
| Nov 4, 2:45 AM MST | 48.9 |
| Nov 4, 1:45 AM MST | 48.9 |
| Nov 4, 12:45 AM MST | 48.9 |
| Nov 3, 11:45 PM MST | 48.9 |
| Nov 3, 10:45 PM MST | 48.7 |
| Nov 3, 9:45 PM MST | 48.7 |
| Nov 3, 8:45 PM MST | 48.7 |
| Nov 3, 7:45 PM MST | 48.7 |
| Nov 3, 6:45 PM MST | 48.9 |
| Nov 3, 5:45 PM MST | 49.1 |
| Nov 3, 4:45 PM MST | 49.3 |
| Nov 3, 3:45 PM MST | 49.3 |
| Nov 3, 2:45 PM MST | 49.3 |
| Nov 3, 1:45 PM MST | 49.3 |
| Nov 3, 12:45 PM MST | 49.1 |
| Nov 3, 11:45 AM MST | 48.7 |
| Nov 3, 10:45 AM MST | 48.7 |
| Nov 3, 9:45 AM MST | 48.7 |
| Nov 3, 8:45 AM MST | 48.7 |
| Nov 3, 7:45 AM MST | 48.9 |
| Nov 3, 6:45 AM MST | 49.1 |
| Nov 3, 5:45 AM MST | 49.1 |
| Nov 3, 4:45 AM MST | 49.3 |
| Nov 3, 3:45 AM MST | 49.5 |
| Nov 3, 2:45 AM MST | 49.6 |
| Nov 3, 1:45 AM MST | 49.6 |
| Nov 3, 12:45 AM MST | 49.5 |
| Nov 2, 11:45 PM MST | 49.3 |
| Nov 2, 10:45 PM MST | 48.9 |
| Nov 2, 9:45 PM MST | 48.6 |
| Nov 2, 8:45 PM MST | 48 |
| Nov 2, 7:45 PM MST | 47.7 |
| Nov 2, 6:45 PM MST | 47.8 |
| Nov 2, 5:45 PM MST | 48.2 |
| Nov 2, 4:45 PM MST | 48.7 |
| Nov 2, 3:45 PM MST | 48.7 |
| Nov 2, 2:45 PM MST | 48.6 |
| Nov 2, 1:45 PM MST | 48.9 |
| Nov 2, 12:45 PM MST | 49.1 |
| Nov 2, 11:45 AM MST | 49.1 |
| Nov 2, 10:45 AM MST | 48.7 |
| Nov 2, 9:45 AM MST | 48.6 |
| Nov 2, 8:45 AM MST | 48.7 |
| Nov 2, 7:45 AM MST | 48.9 |
| Nov 2, 6:45 AM MST | 49.3 |
| Nov 2, 5:45 AM MST | 49.6 |
| Nov 2, 4:45 AM MST | 50 |
| Nov 2, 3:45 AM MST | 50.5 |
| Nov 2, 2:45 AM MST | 50.9 |
| Nov 2, 1:45 AM MST | 51.1 |
| Nov 2, 12:45 AM MST | 51.3 |
| Nov 1, 11:45 PM MST | 51.4 |
| Nov 1, 10:45 PM MST | 51.4 |
| Nov 1, 9:45 PM MST | 51.4 |
| Nov 1, 8:45 PM MST | 51.4 |
| Nov 1, 7:45 PM MST | 51.6 |
| Nov 1, 6:45 PM MST | 51.8 |
| Nov 1, 5:45 PM MST | 52 |
| Nov 1, 4:45 PM MST | 52.2 |
| Nov 1, 3:45 PM MST | 52.3 |
| Nov 1, 2:45 PM MST | 52.2 |
| Nov 1, 1:45 PM MST | 52.2 |
| Nov 1, 12:45 PM MST | 52.2 |
| Nov 1, 11:45 AM MST | 52 |
| Nov 1, 10:45 AM MST | 51.8 |
| Nov 1, 9:45 AM MST | 51.6 |
| Nov 1, 8:45 AM MST | 51.6 |
| Nov 1, 7:45 AM MST | 51.6 |
| Nov 1, 6:45 AM MST | 51.6 |
| Nov 1, 5:45 AM MST | 51.8 |
| Nov 1, 4:45 AM MST | 51.8 |
| Nov 1, 3:45 AM MST | 52 |
| Nov 1, 2:45 AM MST | 52.2 |
| Nov 1, 1:45 AM MST | 52.2 |
| Nov 1, 1:45 AM MDT | 52.2 |
| Nov 1, 12:45 AM MDT | 52 |
| Oct 31, 11:45 PM MDT | 51.6 |
| Oct 31, 10:45 PM MDT | 51.3 |
| Oct 31, 9:45 PM MDT | 50.9 |
| Oct 31, 8:45 PM MDT | 50.5 |
| Oct 31, 7:45 PM MDT | 50.5 |
| Oct 31, 6:45 PM MDT | 50.5 |
| Oct 31, 5:45 PM MDT | 50.5 |
| Oct 31, 4:45 PM MDT | 50.7 |
| Oct 31, 3:45 PM MDT | 50.5 |
| Oct 31, 2:45 PM MDT | 50.4 |
| Oct 31, 1:45 PM MDT | 50.4 |
| Oct 31, 12:45 PM MDT | 50.2 |
| Oct 31, 11:45 AM MDT | 50 |
| Oct 31, 10:45 AM MDT | 49.6 |
| Oct 31, 9:45 AM MDT | 49.6 |
| Oct 31, 8:45 AM MDT | 49.8 |
| Oct 31, 7:45 AM MDT | 50 |
| Oct 31, 6:45 AM MDT | 50.2 |
| Oct 31, 5:45 AM MDT | 50.4 |
| Oct 31, 4:45 AM MDT | 50.5 |
| Oct 31, 3:45 AM MDT | 50.5 |
| Oct 31, 2:45 AM MDT | 50.5 |
| Oct 31, 1:45 AM MDT | 50.4 |
| Oct 31, 12:45 AM MDT | 50.4 |
| Oct 30, 11:45 PM MDT | 50.2 |
| Oct 30, 10:45 PM MDT | 50 |
| Oct 30, 9:45 PM MDT | 49.8 |
| Oct 30, 8:45 PM MDT | 49.8 |
| Oct 30, 7:45 PM MDT | 49.8 |
| Oct 30, 6:45 PM MDT | 49.8 |
| Oct 30, 5:45 PM MDT | 49.8 |
| Oct 30, 4:45 PM MDT | 49.6 |
| Oct 30, 3:45 PM MDT | 49.6 |
| Oct 30, 2:45 PM MDT | 49.3 |
| Oct 30, 1:45 PM MDT | 48.9 |
| Oct 30, 12:45 PM MDT | 48.6 |
| Oct 30, 11:45 AM MDT | 48.4 |
| Oct 30, 10:45 AM MDT | 48.2 |
| Oct 30, 9:45 AM MDT | 48.2 |
| Oct 30, 8:45 AM MDT | 48.2 |
| Oct 30, 7:45 AM MDT | 48.2 |
| Oct 30, 6:45 AM MDT | 48.2 |
| Oct 30, 5:45 AM MDT | 48.4 |
| Oct 30, 4:45 AM MDT | 48.4 |
| Oct 30, 3:45 AM MDT | 48.6 |
| Oct 30, 2:45 AM MDT | 48.7 |
| Oct 30, 1:45 AM MDT | 48.7 |
| Oct 30, 12:45 AM MDT | 48.7 |
| Oct 29, 11:45 PM MDT | 48.6 |
| Oct 29, 10:45 PM MDT | 48.2 |
| Oct 29, 9:45 PM MDT | 47.7 |
| Oct 29, 8:45 PM MDT | 47.3 |
Map of USGS gauge 13192200 and the river around it
Where SF BOISE RIVER AT NEAL BRIDGE NR ARROWROCK DAM ID sits, with 2 other gauges on the same river and our water's map point.
Under 66°F. Water 47.3°F now; the highest in the last 24 hours was 50°F. In the study Idaho Fish and Game cites, trout landed in water under 66°F survived best: mortality “was 69% higher for trout landed at 73°F water temperatures than for those landed when waters were less than 66°F.” In summer, “early-mornings are typically best while the water is still cool.”
Species the agency lists for South Fork Boise River: Brook Trout, Bull Trout, Kokanee, Mountain Whitefish, Rainbow Trout, Redband Trout.
From our page for South Fork Boise 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).
Cold water. Water 47.3°F. NWS: “Cold shock can be just as severe and dangerous from water temperatures of 50-60°F (10-15°C) as it is from water at 35°F (2°C).” “Always wear a life jacket in and around the water.”
Cold Water Hazards and Safety (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.
The National Weather Service has no flood-stage gauge here, so no official flood category is shown.
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.