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Santa Cruz River at Green Valley

Critical Stages
12' - Action
14' - Flood
15' - Moderate
16' - Major

Latest Observation

Updated: 1:00 AM MST 12/15/25

Status: No Flooding

Stage: 1.15 ft

Flow: -999 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
3 AM 12/15 1.42 0
4 AM 12/15 1.42 0
5 AM 12/15 1.42 0
6 AM 12/15 1.42 0
7 AM 12/15 1.42 0
8 AM 12/15 1.42 0
9 AM 12/15 1.42 0
10 AM 12/15 1.42 0
11 AM 12/15 1.42 0
12 PM 12/15 1.42 0
1 PM 12/15 1.42 0
2 PM 12/15 1.42 0
3 PM 12/15 1.42 0
4 PM 12/15 1.42 0
5 PM 12/15 1.42 0
6 PM 12/15 1.42 0
7 PM 12/15 1.42 0
8 PM 12/15 1.42 0
9 PM 12/15 1.42 0
10 PM 12/15 1.42 0
11 PM 12/15 1.42 0
12 AM 12/16 1.42 0
1 AM 12/16 1.42 0
2 AM 12/16 1.42 0
3 AM 12/16 1.42 0
4 AM 12/16 1.42 0
5 AM 12/16 1.42 0
6 AM 12/16 1.42 0
7 AM 12/16 1.42 0
8 AM 12/16 1.42 0
9 AM 12/16 1.42 0
10 AM 12/16 1.42 0
11 AM 12/16 1.42 0
12 PM 12/16 1.42 0
1 PM 12/16 1.42 0
2 PM 12/16 1.42 0
3 PM 12/16 1.42 0
4 PM 12/16 1.42 0
5 PM 12/16 1.42 0
6 PM 12/16 1.42 0
7 PM 12/16 1.42 0
8 PM 12/16 1.42 0
9 PM 12/16 1.42 0
10 PM 12/16 1.42 0
11 PM 12/16 1.42 0
12 AM 12/17 1.42 0
1 AM 12/17 1.42 0
2 AM 12/17 1.42 0
3 AM 12/17 1.42 0
4 AM 12/17 1.42 0
5 AM 12/17 1.42 0
6 AM 12/17 1.42 0
7 AM 12/17 1.42 0
8 AM 12/17 1.42 0
9 AM 12/17 1.42 0
10 AM 12/17 1.42 0
11 AM 12/17 1.42 0
12 PM 12/17 1.42 0
1 PM 12/17 1.42 0
2 PM 12/17 1.42 0
3 PM 12/17 1.42 0
4 PM 12/17 1.42 0
5 PM 12/17 1.42 0
6 PM 12/17 1.42 0
7 PM 12/17 1.42 0
8 PM 12/17 1.42 0
9 PM 12/17 1.42 0
10 PM 12/17 1.42 0
11 PM 12/17 1.42 0
12 AM 12/18 1.42 0
1 AM 12/18 1.42 0
2 AM 12/18 1.42 0
3 AM 12/18 1.42 0
4 AM 12/18 1.42 0
5 AM 12/18 1.42 0
6 AM 12/18 1.42 0
7 AM 12/18 1.42 0
8 AM 12/18 1.42 0
9 AM 12/18 1.42 0
10 AM 12/18 1.42 0
11 AM 12/18 1.42 0
12 PM 12/18 1.42 0
1 PM 12/18 1.42 0
2 PM 12/18 1.42 0
3 PM 12/18 1.42 0
4 PM 12/18 1.42 0
5 PM 12/18 1.42 0
6 PM 12/18 1.42 0
7 PM 12/18 1.42 0
8 PM 12/18 1.42 0
9 PM 12/18 1.42 0
10 PM 12/18 1.42 0
11 PM 12/18 1.42 0
12 AM 12/19 1.42 0
1 AM 12/19 1.42 0
2 AM 12/19 1.42 0
3 AM 12/19 1.42 0
4 AM 12/19 1.42 0
5 AM 12/19 1.42 0
6 AM 12/19 1.42 0
7 AM 12/19 1.42 0
8 AM 12/19 1.42 0
9 AM 12/19 1.42 0
10 AM 12/19 1.42 0
11 AM 12/19 1.42 0
12 PM 12/19 1.42 0
1 PM 12/19 1.42 0
2 PM 12/19 1.42 0
3 PM 12/19 1.42 0
4 PM 12/19 1.42 0
5 PM 12/19 1.42 0
6 PM 12/19 1.42 0
7 PM 12/19 1.42 0
8 PM 12/19 1.42 0
9 PM 12/19 1.42 0
10 PM 12/19 1.42 0
11 PM 12/19 1.42 0
12 AM 12/20 1.42 0
1 AM 12/20 1.42 0
2 AM 12/20 1.42 0
3 AM 12/20 1.42 0
4 AM 12/20 1.42 0
5 AM 12/20 1.42 0
6 AM 12/20 1.42 0
7 AM 12/20 1.42 0
8 AM 12/20 1.42 0
9 AM 12/20 1.42 0
10 AM 12/20 1.42 0
11 AM 12/20 1.42 0
12 PM 12/20 1.42 0
1 PM 12/20 1.42 0
2 PM 12/20 1.42 0
3 PM 12/20 1.42 0
4 PM 12/20 1.42 0
5 PM 12/20 1.42 0
6 PM 12/20 1.42 0
7 PM 12/20 1.42 0
8 PM 12/20 1.42 0
9 PM 12/20 1.42 0
10 PM 12/20 1.42 0
11 PM 12/20 1.42 0
12 AM 12/21 1.42 0
1 AM 12/21 1.42 0
2 AM 12/21 1.42 0
3 AM 12/21 1.42 0
4 AM 12/21 1.42 0
5 AM 12/21 1.42 0
TimeStage (ft)Flow (kcfs)
2:15 AM 12/15 1.15 -999
2:00 AM 12/15 1.15 -999
1:45 AM 12/15 1.14 -999
1:30 AM 12/15 1.15 -999
1:15 AM 12/15 1.14 -999
1:00 AM 12/15 1.15 -999
12:45 AM 12/15 1.15 -999
12:30 AM 12/15 1.14 -999
12:15 AM 12/15 1.15 -999
12:00 AM 12/15 1.14 -999
11:45 PM 12/14 1.15 -999
11:30 PM 12/14 1.14 -999
11:15 PM 12/14 1.15 -999
11:00 PM 12/14 1.15 -999
10:45 PM 12/14 1.14 -999
10:30 PM 12/14 1.15 -999
10:15 PM 12/14 1.14 -999
10:00 PM 12/14 1.15 -999
9:45 PM 12/14 1.14 -999
9:30 PM 12/14 1.15 -999
9:15 PM 12/14 1.14 -999
9:00 PM 12/14 1.14 -999
8:45 PM 12/14 1.15 -999
8:30 PM 12/14 1.14 -999
8:15 PM 12/14 1.15 -999
8:00 PM 12/14 1.14 -999
7:45 PM 12/14 1.14 -999
7:30 PM 12/14 1.14 -999
7:15 PM 12/14 1.14 -999
7:00 PM 12/14 1.14 -999
Hydrograph for Santa Cruz River at Green Valley
18' - The southern pacific railroad tracks may be overtopped. Major damage and rapid flooding is likely east of tracks in much of continental and eastern sections of sahuarita.
17' - Major flooding occurs between continental and the tucson city limits with numerous homes and businesses flooded. The interstate 19 bridge is threatened near kilometer marker 92.
16' - Bank protection is overtopped in Green Valley, flooding numerous homes and businesses. Much of Nogales Highway flooded from Continental Road and Pima Mine Road. Low lying areas in Sahuarita between Villita Road and Santa Rita Road flood.
15' - Bridge bottoms reached at Continental Rd, Sahuarita Rd, and Pima Mine Rd. Erosion damage begins at Haven Golf Course on left bank. Sections of Nogales Highway between Sahuarita and Pima Mine Roads threatened. Homes on the right bank may flood due to backup from the Continental Road bridge.
14' - Erosion likely outside soil cement bank protection. Pecan orchards further inundated.
12' - Pecan orchards adjacent to the river begin to flood.
DateStage (ft)
Oct 2, 1983 16.34
Jan 19, 1993 14.75
Oct 9, 1977 13.6
Dec 20, 1967 12.4
Aug 19, 1955 11.34
Sep 10, 1964 10.13
Aug 5, 1954 10.1
Dec 18, 1978 10
Dec 28, 1984 9.66
Dec 23, 1965 9.34
Jul 27, 1967 8.81
Jul 14, 1972 8.72
Feb 4, 1983 8.39
Oct 23, 2000 8.19
Sep 1, 1975 8.15
Sep 3, 1974 8.1
Jul 28, 2003 7.25
Sep 6, 2002 5.06

Data provided by the National Weather Service.