Big Lost River at Howell Ranch
Critical Stages
3.51' - Action
4.05' - Flood
Moderate
Major
Latest Observation
Updated: 1:00 PM MST 12/15/25
Status: No Flooding
Stage: 1.01 ft
Flow: 0.089 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 PM 12/15 | 0.98 | 0.083 |
| 11 PM 12/15 | 0.98 | 0.083 |
| 5 AM 12/16 | 0.98 | 0.083 |
| 11 AM 12/16 | 0.98 | 0.083 |
| 5 PM 12/16 | 0.98 | 0.083 |
| 11 PM 12/16 | 0.98 | 0.083 |
| 5 AM 12/17 | 0.98 | 0.083 |
| 11 AM 12/17 | 0.98 | 0.083 |
| 5 PM 12/17 | 0.98 | 0.083 |
| 11 PM 12/17 | 0.98 | 0.083 |
| 5 AM 12/18 | 0.98 | 0.083 |
| 11 AM 12/18 | 0.98 | 0.083 |
| 5 PM 12/18 | 0.98 | 0.083 |
| 11 PM 12/18 | 0.98 | 0.083 |
| 5 AM 12/19 | 0.98 | 0.083 |
| 11 AM 12/19 | 0.98 | 0.083 |
| 5 PM 12/19 | 0.97 | 0.081 |
| 11 PM 12/19 | 0.97 | 0.081 |
| 5 AM 12/20 | 0.97 | 0.081 |
| 11 AM 12/20 | 0.97 | 0.081 |
| 5 PM 12/20 | 0.97 | 0.081 |
| 11 PM 12/20 | 0.97 | 0.081 |
| 5 AM 12/21 | 0.97 | 0.081 |
| 11 AM 12/21 | 0.97 | 0.081 |
| 5 PM 12/21 | 0.97 | 0.081 |
| 11 PM 12/21 | 0.97 | 0.081 |
| 5 AM 12/22 | 0.97 | 0.081 |
| 11 AM 12/22 | 0.97 | 0.081 |
| 5 PM 12/22 | 0.97 | 0.081 |
| 11 PM 12/22 | 0.97 | 0.081 |
| 5 AM 12/23 | 0.97 | 0.081 |
| 11 AM 12/23 | 0.97 | 0.081 |
| 5 PM 12/23 | 0.97 | 0.081 |
| 11 PM 12/23 | 0.97 | 0.081 |
| 5 AM 12/24 | 0.97 | 0.081 |
| 11 AM 12/24 | 0.97 | 0.081 |
| 5 PM 12/24 | 0.97 | 0.081 |
| 11 PM 12/24 | 0.97 | 0.081 |
| 5 AM 12/25 | 0.97 | 0.081 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1:00 PM 12/15 | 1.01 | 0.089 |
| 12:45 PM 12/15 | 1 | 0.087 |
| 12:30 PM 12/15 | 0.99 | 0.085 |
| 12:15 PM 12/15 | 0.98 | 0.083 |
| 12:00 PM 12/15 | 0.97 | 0.081 |
| 11:45 AM 12/15 | 0.96 | 0.079 |
| 11:30 AM 12/15 | 0.96 | 0.079 |
| 11:15 AM 12/15 | 0.96 | 0.079 |
| 11:00 AM 12/15 | 0.96 | 0.079 |
| 10:45 AM 12/15 | 0.96 | 0.079 |
| 10:30 AM 12/15 | 0.95 | 0.077 |
| 10:15 AM 12/15 | 0.96 | 0.079 |
| 10:00 AM 12/15 | 0.96 | 0.079 |
| 9:45 AM 12/15 | 0.96 | 0.079 |
| 9:30 AM 12/15 | 0.97 | 0.081 |
| 9:15 AM 12/15 | 0.98 | 0.083 |
| 9:00 AM 12/15 | 0.98 | 0.083 |
| 8:45 AM 12/15 | 0.98 | 0.083 |
| 8:30 AM 12/15 | 0.99 | 0.085 |
| 8:15 AM 12/15 | 0.99 | 0.085 |
| 8:00 AM 12/15 | 1 | 0.087 |
| 7:45 AM 12/15 | 1.01 | 0.089 |
| 7:30 AM 12/15 | 1.01 | 0.089 |
| 7:15 AM 12/15 | 1.01 | 0.089 |
| 7:00 AM 12/15 | 1.02 | 0.091 |
| 6:45 AM 12/15 | 1.02 | 0.091 |
| 6:30 AM 12/15 | 1.03 | 0.093 |
| 6:15 AM 12/15 | 1.04 | 0.095 |
| 6:00 AM 12/15 | 1.04 | 0.095 |
| 5:45 AM 12/15 | 1.05 | 0.097 |
4.05' -
Widespread lowland flooding from Howell Ranch downriver to the top of Mackay Reservoir. Fish Hatchery Road near Donahue Ranch may have water flowing over it. Canals and headgates may have problems.
3.51' -
Near bankfull from Howell Ranch downriver to the top of Mackay Reservoir. Some lowland flooding of fields possible.
| Date | Stage (ft) |
|---|---|
| May 25, 1967 | 6.02 |
| Jun 26, 1954 | 6 |
| Jun 12, 1921 | 5.94 |
| Jun 12, 1965 | 5.73 |
| May 21, 2006 | 5.68 |
| Jun 11, 1983 | 5.52 |
| Jun 15, 1922 | 5.5 |
| Jun 4, 1986 | 5.48 |
| Jun 22, 1982 | 5.47 |
| Jun 16, 1974 | 5.41 |
| Jun 6, 1957 | 5.27 |
| Jun 5, 2017 | 5.27 |
| Jun 13, 2022 | 5.21 |
| Jul 10, 1995 | 5.17 |
| May 19, 2005 | 4.81 |
| May 31, 2003 | 4.64 |
| Jun 7, 2010 | 4.57 |
| Jun 7, 2019 | 4.4 |
| Apr 27, 2012 | 4.36 |
| Jun 24, 2011 | 4.34 |
Data provided by the National Weather Service.
