South Fork Boise River at Pine (near Featherville)
Critical Stages
6' - Action
7.2' - Flood
Moderate
Major
Latest Observation
Updated: 5:30 PM MST 12/15/25
Status: No Flooding
Stage: 1.77 ft
Flow: 0.226 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11 PM 12/15 | 1.81 | 0.24 |
| 5 AM 12/16 | 1.84 | 0.251 |
| 11 AM 12/16 | 1.89 | 0.271 |
| 5 PM 12/16 | 1.94 | 0.291 |
| 11 PM 12/16 | 1.97 | 0.304 |
| 5 AM 12/17 | 2.04 | 0.337 |
| 11 AM 12/17 | 2.21 | 0.419 |
| 5 PM 12/17 | 2.39 | 0.516 |
| 11 PM 12/17 | 2.45 | 0.551 |
| 5 AM 12/18 | 2.42 | 0.533 |
| 11 AM 12/18 | 2.33 | 0.483 |
| 5 PM 12/18 | 2.22 | 0.424 |
| 11 PM 12/18 | 2.11 | 0.369 |
| 5 AM 12/19 | 2.08 | 0.355 |
| 11 AM 12/19 | 2.12 | 0.374 |
| 5 PM 12/19 | 2.22 | 0.424 |
| 11 PM 12/19 | 2.39 | 0.516 |
| 5 AM 12/20 | 2.51 | 0.587 |
| 11 AM 12/20 | 2.55 | 0.614 |
| 5 PM 12/20 | 2.52 | 0.594 |
| 11 PM 12/20 | 2.44 | 0.545 |
| 5 AM 12/21 | 2.35 | 0.494 |
| 11 AM 12/21 | 2.26 | 0.445 |
| 5 PM 12/21 | 2.18 | 0.404 |
| 11 PM 12/21 | 2.13 | 0.379 |
| 5 AM 12/22 | 2.1 | 0.365 |
| 11 AM 12/22 | 2.08 | 0.355 |
| 5 PM 12/22 | 2.08 | 0.355 |
| 11 PM 12/22 | 2.09 | 0.36 |
| 5 AM 12/23 | 2.12 | 0.374 |
| 11 AM 12/23 | 2.14 | 0.384 |
| 5 PM 12/23 | 2.14 | 0.384 |
| 11 PM 12/23 | 2.15 | 0.389 |
| 5 AM 12/24 | 2.17 | 0.399 |
| 11 AM 12/24 | 2.19 | 0.409 |
| 5 PM 12/24 | 2.21 | 0.419 |
| 11 PM 12/24 | 2.22 | 0.424 |
| 5 AM 12/25 | 2.24 | 0.434 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:30 PM 12/15 | 1.77 | 0.226 |
| 5:15 PM 12/15 | 1.77 | 0.226 |
| 5:00 PM 12/15 | 1.76 | 0.222 |
| 4:45 PM 12/15 | 1.76 | 0.222 |
| 4:30 PM 12/15 | 1.75 | 0.219 |
| 4:15 PM 12/15 | 1.74 | 0.215 |
| 4:00 PM 12/15 | 1.73 | 0.212 |
| 3:45 PM 12/15 | 1.72 | 0.209 |
| 3:30 PM 12/15 | 1.71 | 0.205 |
| 3:15 PM 12/15 | 1.7 | 0.202 |
| 3:00 PM 12/15 | 1.7 | 0.202 |
| 2:45 PM 12/15 | 1.69 | 0.199 |
| 2:30 PM 12/15 | 1.69 | 0.199 |
| 2:15 PM 12/15 | 1.69 | 0.199 |
| 2:00 PM 12/15 | 1.7 | 0.202 |
| 1:45 PM 12/15 | 1.7 | 0.202 |
| 1:30 PM 12/15 | 1.7 | 0.202 |
| 1:15 PM 12/15 | 1.71 | 0.205 |
| 1:00 PM 12/15 | 1.71 | 0.205 |
| 12:45 PM 12/15 | 1.71 | 0.205 |
| 12:30 PM 12/15 | 1.71 | 0.205 |
| 12:15 PM 12/15 | 1.71 | 0.205 |
| 12:00 PM 12/15 | 1.71 | 0.205 |
| 11:45 AM 12/15 | 1.71 | 0.205 |
| 11:30 AM 12/15 | 1.71 | 0.205 |
| 11:15 AM 12/15 | 1.71 | 0.205 |
| 11:00 AM 12/15 | 1.71 | 0.205 |
| 10:45 AM 12/15 | 1.71 | 0.205 |
| 10:30 AM 12/15 | 1.72 | 0.209 |
| 10:15 AM 12/15 | 1.72 | 0.209 |
7.2' -
Low lying areas along the river will begin to flood from Pine Bridge upstream to Featherville. Minor flooding will impact some homes and cabins in the Lagoon Circle area. Water will threaten sections of Elk Valley Way and Redfish Lane. Campgrounds adjacent to the river will be impacted. Debris in the river such as logs and trees may begin piling up at bridge crossings.
| Date | Stage (ft) |
|---|---|
| May 7, 2017 | 8.24 |
| Mar 30, 1983 | 7.87 |
| May 21, 2006 | 7.79 |
| May 17, 1997 | 7.74 |
| Apr 27, 2012 | 7.69 |
| May 17, 1996 | 7.32 |
| May 15, 1984 | 7.2 |
| May 23, 2023 | 6.97 |
| Jun 16, 2011 | 6.33 |
| Jun 7, 2019 | 5.5 |
| Apr 13, 2016 | 5.45 |
| May 28, 2014 | 5.38 |
| Jun 13, 2022 | 5.19 |
| May 26, 2018 | 5.06 |
| May 14, 2013 | 4.96 |
| Jun 4, 2024 | 4.81 |
| May 31, 2020 | 4.46 |
| Jun 1, 2015 | 4.08 |
| Jun 4, 2021 | 3.7 |
Data provided by the National Weather Service.
