Winter Weather Advisory
2026-03-07T00:00:00-07:00

* WHAT...Snow and blowing snow expected. Total snow accumulations between 5 and 8 inches, with the heaviest snow south of Castle Rock. Winds gusting as high as 35 mph. * WHERE...Castle Rock. * WHEN...From 6 AM this morning to midnight MST tonight. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Friday morning and evening commutes.


Santa Cruz River River Levels

Last Updated: March 6, 2026

The Santa Cruz River is a 184-mile-long river that flows through the southern part of Arizona and northern part of Mexico.


Summary

Total streamflow across the Santa Cruz River was last observed at 101 cfs, and is expected to yield approximately 201 acre-ft of water today; about 97% of normal. Average streamflow for this time of year is 104 cfs, with recent peaks last observed on 2021-07-26 when daily discharge volume was observed at 20,367 cfs.

Maximum discharge along the river is currently at the Santa Cruz River Near Cundiyo reporting a streamflow rate of 32.2 cfs. However, the streamgauge with the highest stage along the river is the Santa Cruz River At Tubac with a gauge stage of 19.44 ft. This river is monitored from 9 different streamgauging stations along the Santa Cruz River, the highest being situated at an altitude of 6,489 ft, the Santa Cruz River Near Cundiyo.




15-Day Weather Outlook


River Details

Last Updated 2026-03-05
Discharge Volume 201 ACRE-FT
Streamflow 101.25 cfs
+6.1 cfs (+6.41%)
Percent of Normal 97.39%
Maximum 20,366.8 cfs
2021-07-26
Seasonal Avg 104 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Santa Cruz River Near Cundiyo
USGS 08291000
32 cfs 4.79 ft 175.21
Santa Cruz River Near Lochiel
USGS 09480000
0 cfs 6.24 ft 0
Santa Cruz River Near Nogales
USGS 09480500
1 cfs 1.01 ft -46.94
Santa Cruz River At Tubac
USGS 09481740
1 cfs 19.44 ft -16.81
Santa Cruz River At Continental
USGS 09482000
0 cfs 1.14 ft None
Santa Cruz River At Tucson
USGS 09482500
0 cfs 1.03 ft None
Santa Cruz River At Cortaro
USGS 09486500
29 cfs 8.15 ft -54.42
Santa Cruz River At Trico Road
USGS 09486520
29 cfs 2.74 ft -17.09
Santa Cruz River Near Laveen
USGS 09489000
0 cfs 8.27 ft 0
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Santa Cruz River (English: "Holy Cross River"; Spanish: Río Santa Cruz) is a tributary river to the Gila River in Southern Arizona and northern Sonora, Mexico. It is approximately 184 miles (296 km) long.