Santa Cruz River at Cortaro
Critical Stages
17.2' - Action
18.5' - Flood
19.5' - Moderate
20.7' - Major
Latest Observation
Updated: 11:45 PM MST 12/14/25
Status: No Flooding
Stage: 8.66 ft
Flow: 0.0741 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 2 AM 12/15 | 8.39 | 0.0508 |
| 3 AM 12/15 | 8.35 | 0.0477 |
| 4 AM 12/15 | 8.3 | 0.0439 |
| 5 AM 12/15 | 8.19 | 0.0362 |
| 6 AM 12/15 | 8.06 | 0.028 |
| 7 AM 12/15 | 8.01 | 0.025 |
| 8 AM 12/15 | 7.95 | 0.0219 |
| 9 AM 12/15 | 8.12 | 0.032 |
| 10 AM 12/15 | 8.12 | 0.032 |
| 11 AM 12/15 | 8.23 | 0.0388 |
| 12 PM 12/15 | 8.43 | 0.054 |
| 1 PM 12/15 | 8.5 | 0.0601 |
| 2 PM 12/15 | 8.5 | 0.0601 |
| 3 PM 12/15 | 8.53 | 0.0628 |
| 4 PM 12/15 | 8.52 | 0.062 |
| 5 PM 12/15 | 8.52 | 0.062 |
| 6 PM 12/15 | 8.52 | 0.062 |
| 7 PM 12/15 | 8.5 | 0.0601 |
| 8 PM 12/15 | 8.46 | 0.0566 |
| 9 PM 12/15 | 8.48 | 0.0583 |
| 10 PM 12/15 | 8.45 | 0.0557 |
| 11 PM 12/15 | 8.48 | 0.0583 |
| 12 AM 12/16 | 8.48 | 0.0583 |
| 1 AM 12/16 | 8.45 | 0.0557 |
| 2 AM 12/16 | 8.39 | 0.0508 |
| 3 AM 12/16 | 8.35 | 0.0477 |
| 4 AM 12/16 | 8.3 | 0.0439 |
| 5 AM 12/16 | 8.19 | 0.0362 |
| 6 AM 12/16 | 8.06 | 0.028 |
| 7 AM 12/16 | 8.01 | 0.025 |
| 8 AM 12/16 | 7.95 | 0.0219 |
| 9 AM 12/16 | 8.12 | 0.032 |
| 10 AM 12/16 | 8.12 | 0.032 |
| 11 AM 12/16 | 8.23 | 0.0388 |
| 12 PM 12/16 | 8.43 | 0.054 |
| 1 PM 12/16 | 8.5 | 0.0601 |
| 2 PM 12/16 | 8.5 | 0.0601 |
| 3 PM 12/16 | 8.53 | 0.0628 |
| 4 PM 12/16 | 8.52 | 0.062 |
| 5 PM 12/16 | 8.52 | 0.062 |
| 6 PM 12/16 | 8.52 | 0.062 |
| 7 PM 12/16 | 8.5 | 0.0601 |
| 8 PM 12/16 | 8.46 | 0.0566 |
| 9 PM 12/16 | 8.48 | 0.0583 |
| 10 PM 12/16 | 8.45 | 0.0557 |
| 11 PM 12/16 | 8.48 | 0.0583 |
| 12 AM 12/17 | 8.48 | 0.0583 |
| 1 AM 12/17 | 8.45 | 0.0557 |
| 2 AM 12/17 | 8.39 | 0.0508 |
| 3 AM 12/17 | 8.35 | 0.0477 |
| 4 AM 12/17 | 8.3 | 0.0439 |
| 5 AM 12/17 | 8.19 | 0.0362 |
| 6 AM 12/17 | 8.06 | 0.028 |
| 7 AM 12/17 | 8.01 | 0.025 |
| 8 AM 12/17 | 7.95 | 0.0219 |
| 9 AM 12/17 | 8.12 | 0.032 |
| 10 AM 12/17 | 8.12 | 0.032 |
| 11 AM 12/17 | 8.23 | 0.0388 |
| 12 PM 12/17 | 8.43 | 0.054 |
| 1 PM 12/17 | 8.5 | 0.0601 |
| 2 PM 12/17 | 8.5 | 0.0601 |
| 3 PM 12/17 | 8.53 | 0.0628 |
| 4 PM 12/17 | 8.52 | 0.062 |
| 5 PM 12/17 | 8.52 | 0.062 |
| 6 PM 12/17 | 8.52 | 0.062 |
| 7 PM 12/17 | 8.5 | 0.0601 |
| 8 PM 12/17 | 8.46 | 0.0566 |
| 9 PM 12/17 | 8.48 | 0.0583 |
| 10 PM 12/17 | 8.45 | 0.0557 |
| 11 PM 12/17 | 8.48 | 0.0583 |
| 12 AM 12/18 | 8.48 | 0.0583 |
| 1 AM 12/18 | 8.45 | 0.0557 |
| 2 AM 12/18 | 8.39 | 0.0508 |
| 3 AM 12/18 | 8.35 | 0.0477 |
| 4 AM 12/18 | 8.3 | 0.0439 |
| 5 AM 12/18 | 8.19 | 0.0362 |
| 6 AM 12/18 | 8.06 | 0.028 |
| 7 AM 12/18 | 8.01 | 0.025 |
| 8 AM 12/18 | 7.95 | 0.0219 |
| 9 AM 12/18 | 8.12 | 0.032 |
| 10 AM 12/18 | 8.12 | 0.032 |
| 11 AM 12/18 | 8.23 | 0.0388 |
| 12 PM 12/18 | 8.43 | 0.054 |
| 1 PM 12/18 | 8.5 | 0.0601 |
| 2 PM 12/18 | 8.5 | 0.0601 |
| 3 PM 12/18 | 8.53 | 0.0628 |
| 4 PM 12/18 | 8.52 | 0.062 |
| 5 PM 12/18 | 8.52 | 0.062 |
| 6 PM 12/18 | 8.52 | 0.062 |
| 7 PM 12/18 | 8.5 | 0.0601 |
| 8 PM 12/18 | 8.46 | 0.0566 |
| 9 PM 12/18 | 8.48 | 0.0583 |
| 10 PM 12/18 | 8.45 | 0.0557 |
| 11 PM 12/18 | 8.48 | 0.0583 |
| 12 AM 12/19 | 8.48 | 0.0583 |
| 1 AM 12/19 | 8.45 | 0.0557 |
| 2 AM 12/19 | 8.39 | 0.0508 |
| 3 AM 12/19 | 8.35 | 0.0477 |
| 4 AM 12/19 | 8.3 | 0.0439 |
| 5 AM 12/19 | 8.19 | 0.0362 |
| 6 AM 12/19 | 8.06 | 0.028 |
| 7 AM 12/19 | 8.01 | 0.025 |
| 8 AM 12/19 | 7.95 | 0.0219 |
| 9 AM 12/19 | 8.12 | 0.032 |
| 10 AM 12/19 | 8.12 | 0.032 |
| 11 AM 12/19 | 8.23 | 0.0388 |
| 12 PM 12/19 | 8.43 | 0.054 |
| 1 PM 12/19 | 8.5 | 0.0601 |
| 2 PM 12/19 | 8.5 | 0.0601 |
| 3 PM 12/19 | 8.53 | 0.0628 |
| 4 PM 12/19 | 8.52 | 0.062 |
| 5 PM 12/19 | 8.52 | 0.062 |
| 6 PM 12/19 | 8.52 | 0.062 |
| 7 PM 12/19 | 8.5 | 0.0601 |
| 8 PM 12/19 | 8.46 | 0.0566 |
| 9 PM 12/19 | 8.48 | 0.0583 |
| 10 PM 12/19 | 8.45 | 0.0557 |
| 11 PM 12/19 | 8.48 | 0.0583 |
| 12 AM 12/20 | 8.48 | 0.0583 |
| 1 AM 12/20 | 8.45 | 0.0557 |
| 2 AM 12/20 | 8.39 | 0.0508 |
| 3 AM 12/20 | 8.35 | 0.0477 |
| 4 AM 12/20 | 8.3 | 0.0439 |
| 5 AM 12/20 | 8.19 | 0.0362 |
| 6 AM 12/20 | 8.06 | 0.028 |
| 7 AM 12/20 | 8.01 | 0.025 |
| 8 AM 12/20 | 7.95 | 0.0219 |
| 9 AM 12/20 | 8.12 | 0.032 |
| 10 AM 12/20 | 8.12 | 0.032 |
| 11 AM 12/20 | 8.23 | 0.0388 |
| 12 PM 12/20 | 8.43 | 0.054 |
| 1 PM 12/20 | 8.5 | 0.0601 |
| 2 PM 12/20 | 8.5 | 0.0601 |
| 3 PM 12/20 | 8.53 | 0.0628 |
| 4 PM 12/20 | 8.52 | 0.062 |
| 5 PM 12/20 | 8.52 | 0.062 |
| 6 PM 12/20 | 8.52 | 0.062 |
| 7 PM 12/20 | 8.5 | 0.0601 |
| 8 PM 12/20 | 8.46 | 0.0566 |
| 9 PM 12/20 | 8.48 | 0.0583 |
| 10 PM 12/20 | 8.45 | 0.0557 |
| 11 PM 12/20 | 8.48 | 0.0583 |
| 12 AM 12/21 | 8.48 | 0.0583 |
| 1 AM 12/21 | 8.45 | 0.0557 |
| 2 AM 12/21 | 8.39 | 0.0508 |
| 3 AM 12/21 | 8.35 | 0.0477 |
| 4 AM 12/21 | 8.3 | 0.0439 |
| 5 AM 12/21 | 8.19 | 0.0362 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:45 AM 12/15 | 8.63 | 0.0714 |
| 12:30 AM 12/15 | 8.64 | 0.0723 |
| 12:15 AM 12/15 | 8.65 | 0.0732 |
| 12:00 AM 12/15 | 8.66 | 0.0741 |
| 11:45 PM 12/14 | 8.66 | 0.0741 |
| 11:30 PM 12/14 | 8.66 | 0.0741 |
| 11:15 PM 12/14 | 8.66 | 0.0741 |
| 11:00 PM 12/14 | 8.66 | 0.0741 |
| 10:45 PM 12/14 | 8.66 | 0.0741 |
| 10:30 PM 12/14 | 8.66 | 0.0741 |
| 10:15 PM 12/14 | 8.66 | 0.0741 |
| 10:00 PM 12/14 | 8.66 | 0.0741 |
| 9:45 PM 12/14 | 8.67 | 0.0751 |
| 9:30 PM 12/14 | 8.67 | 0.0751 |
| 9:15 PM 12/14 | 8.68 | 0.076 |
| 9:00 PM 12/14 | 8.67 | 0.0751 |
| 8:45 PM 12/14 | 8.68 | 0.076 |
| 8:30 PM 12/14 | 8.68 | 0.076 |
| 8:15 PM 12/14 | 8.68 | 0.076 |
| 8:00 PM 12/14 | 8.69 | 0.077 |
| 7:45 PM 12/14 | 8.69 | 0.077 |
| 7:30 PM 12/14 | 8.71 | 0.0787 |
| 7:15 PM 12/14 | 8.71 | 0.0787 |
| 7:00 PM 12/14 | 8.71 | 0.0787 |
| 6:45 PM 12/14 | 8.72 | 0.0796 |
| 6:30 PM 12/14 | 8.73 | 0.0805 |
| 6:15 PM 12/14 | 8.72 | 0.0796 |
| 6:00 PM 12/14 | 8.73 | 0.0805 |
| 5:45 PM 12/14 | 8.73 | 0.0805 |
| 5:30 PM 12/14 | 8.72 | 0.0796 |
20.7' -
Major flood stage. Homes in far northwest marana downstream of raised levees could see major damage.
19.5' -
Moderate flood stage. Far northwest marana downstream of raised levees threatened. Homes in this area may be evacuated as a precaution. Bridges on Sanders Road, Trico Road, and Trico-marana Road will be closed due to overtopping.
18.5' -
Minor flood stage. Water reaches gravel pits between rillito river and Cortaro Road in northwest tucson. Ina Road bridge closed as a precaution.
| Date | Stage (ft) |
|---|---|
| Jul 31, 2010 | 16.69 |
| Oct 2, 1983 | 16.57 |
| Jul 31, 2006 | 15.06 |
| Jan 19, 1993 | 14.6 |
| Jul 4, 2009 | 13.26 |
| Jul 24, 1990 | 12.8 |
| Oct 10, 1977 | 12.2 |
| Dec 18, 1978 | 11.6 |
| Aug 14, 1940 | 11.22 |
| Aug 3, 1955 | 11.2 |
| Dec 22, 1965 | 11.2 |
| Dec 21, 1967 | 11.1 |
| Oct 23, 2000 | 10.64 |
| Aug 26, 2003 | 10.62 |
| Aug 5, 2002 | 10.41 |
| Jan 28, 2008 | 10.01 |
| Jul 23, 2000 | 8.13 |
Data provided by the National Weather Service.
