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Rio Grande near San Benito

Critical Stages
44' - Action
55' - Flood
56' - Moderate
58' - Major

Latest Observation

Updated: 2:15 PM CST 12/15/25

Status: No Flooding

Stage: 34.72 ft

Flow: 0.238 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
6 PM 12/15 35 0.363
12 AM 12/16 35 0.363
6 AM 12/16 35 0.363
12 PM 12/16 35 0.363
6 PM 12/16 35 0.363
12 AM 12/17 35 0.363
6 AM 12/17 34.9 0.313
12 PM 12/17 34.9 0.313
6 PM 12/17 34.9 0.313
12 AM 12/18 34.9 0.313
6 AM 12/18 34.9 0.313
12 PM 12/18 34.9 0.313
6 PM 12/18 34.9 0.313
12 AM 12/19 34.9 0.313
6 AM 12/19 34.9 0.313
12 PM 12/19 34.9 0.313
6 PM 12/19 34.8 0.27
12 AM 12/20 34.8 0.27
6 AM 12/20 34.8 0.27
TimeStage (ft)Flow (kcfs)
2:15 PM 12/15 34.72 0.238
2:00 PM 12/15 34.73 0.241
1:45 PM 12/15 34.73 0.241
1:30 PM 12/15 34.74 0.245
1:15 PM 12/15 34.75 0.249
1:00 PM 12/15 34.76 0.253
12:45 PM 12/15 34.76 0.253
12:30 PM 12/15 34.77 0.257
12:15 PM 12/15 34.78 0.261
12:00 PM 12/15 34.79 0.266
11:45 AM 12/15 34.79 0.266
11:30 AM 12/15 34.79 0.266
11:15 AM 12/15 34.8 0.27
11:00 AM 12/15 34.81 0.274
10:45 AM 12/15 34.82 0.278
10:30 AM 12/15 34.82 0.278
10:15 AM 12/15 34.83 0.282
10:00 AM 12/15 34.84 0.286
9:45 AM 12/15 34.84 0.286
9:30 AM 12/15 34.85 0.291
9:15 AM 12/15 34.85 0.291
9:00 AM 12/15 34.85 0.291
8:45 AM 12/15 34.86 0.295
8:30 AM 12/15 34.86 0.295
8:15 AM 12/15 34.86 0.295
8:00 AM 12/15 34.86 0.295
7:45 AM 12/15 34.86 0.295
7:30 AM 12/15 34.86 0.295
7:15 AM 12/15 34.86 0.295
7:00 AM 12/15 34.85 0.291
Hydrograph for Rio Grande near San Benito
70' - The river exceeds the levees - flooding is widespread, disastrous, and life threatening -
65' - The river is approaching the top of the levees - residents should be prepared to evacaute rapidly to several tens of miles from the lower Rio Grande channel as emergency officials direct - persons in the flood plain should monitor the latest stage and forecast levels of the river continuously.
58' - Major flooding covers the flood plain inside the levees-threatens lowest residences in Brownsville and Matamoros - persons vulnerable to lowland flooding should move equipment to higher ground and monitor the level of the river especially if heavy rain conditions develop.
56' - Moderate lowland flooding inside the levees reaches lowest secondary roads and low bridges
55' - Minor lowland flooding reaches into the lowest sections of the flood plain inside the levees with no significant damage
44' - The river will exceed the lowest banks of the lowest sections inside the levees
DateStage (ft)
Sep 29, 1967 61.06
Oct 4, 1988 55.98
Sep 28, 1988 55.18
Jun 2, 1992 54.85
Jul 30, 2020 54.82
Sep 13, 2010 54.41
Mar 30, 2025 54.04
Jul 21, 2010 53.63
Jun 4, 2015 53.44
Sep 28, 2010 53.06
Jul 12, 2010 52.64
Jun 24, 1993 51.94
Jun 24, 2018 51.6
Oct 14, 2008 50.84
May 16, 1991 47.31
Sep 14, 1987 47.28
May 12, 1993 45.54
May 27, 2022 45.42
Oct 10, 1987 44.58
May 2, 1989 43.67

Data provided by the National Weather Service.