Grand River near Sumner
Critical Stages
21' - Action
26' - Flood
28' - Moderate
40' - Major
Latest Observation
Updated: 8:45 PM CST 12/15/25
Status: No Flooding
Stage: 6.26 ft
Flow: 0.222 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:45 PM 12/15 | 6.28 | 0.226 |
| 9:30 PM 12/15 | 6.28 | 0.226 |
| 9:15 PM 12/15 | 6.27 | 0.224 |
| 9:00 PM 12/15 | 6.27 | 0.224 |
| 8:45 PM 12/15 | 6.26 | 0.222 |
| 8:30 PM 12/15 | 6.25 | 0.22 |
| 8:15 PM 12/15 | 6.24 | 0.218 |
| 8:00 PM 12/15 | 6.23 | 0.215 |
| 7:45 PM 12/15 | 6.23 | 0.215 |
| 7:30 PM 12/15 | 6.22 | 0.213 |
| 7:15 PM 12/15 | 6.21 | 0.211 |
| 7:00 PM 12/15 | 6.2 | 0.209 |
| 6:45 PM 12/15 | 6.19 | 0.207 |
| 6:30 PM 12/15 | 6.19 | 0.207 |
| 6:15 PM 12/15 | 6.18 | 0.204 |
| 6:00 PM 12/15 | 6.18 | 0.204 |
| 5:45 PM 12/15 | 6.17 | 0.202 |
| 5:30 PM 12/15 | 6.17 | 0.202 |
| 5:15 PM 12/15 | 6.17 | 0.202 |
| 5:00 PM 12/15 | 6.17 | 0.202 |
| 4:45 PM 12/15 | 6.17 | 0.202 |
| 4:30 PM 12/15 | 6.17 | 0.202 |
| 4:15 PM 12/15 | 6.17 | 0.202 |
| 4:00 PM 12/15 | 6.17 | 0.202 |
| 3:45 PM 12/15 | 6.17 | 0.202 |
| 3:30 PM 12/15 | 6.17 | 0.202 |
| 3:15 PM 12/15 | 6.17 | 0.202 |
| 3:00 PM 12/15 | 6.17 | 0.202 |
| 2:45 PM 12/15 | 6.17 | 0.202 |
| 2:30 PM 12/15 | 6.17 | 0.202 |
52' -
Water reaches the road surface of State Highway 139 bridge.
45' -
Water reaches the bottom of State Highway 139 bridge.
44' -
Water reaches the bottom of the Burlington Northern Railroad bridge which is located just upstream from the State Highway 139 bridge.
40' -
Homes in northeast Sumner begin to flood.
37' -
State Highway 139 floods a half mile east of Sumner.
28' -
Rural roads are under water.
26' -
Rural land adjacent to the river is flooded.
23' -
Bottomland 1 to 2 miles south of the gage begins to flood.
| Date | Stage (ft) |
|---|---|
| Jul 10, 1993 | 42.52 |
| May 30, 2019 | 41.35 |
| Jun 28, 2008 | 40.02 |
| May 10, 2007 | 39.97 |
| May 13, 2002 | 39.57 |
| Jun 8, 1947 | 39.5 |
| Sep 15, 2008 | 39.2 |
| May 29, 1996 | 39.15 |
| May 15, 2010 | 39.11 |
| Apr 20, 2013 | 39.09 |
| Oct 12, 2018 | 38.87 |
| Jun 9, 2010 | 38.85 |
| May 19, 1995 | 38.8 |
| May 30, 2013 | 38.78 |
| Oct 7, 1998 | 38.56 |
| Sep 12, 2014 | 38.53 |
| Jun 7, 2001 | 38.5 |
| Mar 28, 1973 | 38.4 |
| Apr 7, 2017 | 38.23 |
| Jun 16, 1967 | 37.8 |
Data provided by the National Weather Service.
