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Blacks Fork near Little America

Critical Stages
9.5' - Action
10.5' - Flood
11.5' - Moderate
Major

Latest Observation

Updated: 3:00 PM MST 12/15/25

Status: No Flooding

Stage: 3.17 ft

Flow: 0.0289 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
4 PM 12/15 3.41 0.0517
5 PM 12/15 3.41 0.0517
6 PM 12/15 3.41 0.0517
7 PM 12/15 3.41 0.0517
8 PM 12/15 3.41 0.0517
9 PM 12/15 3.41 0.0517
10 PM 12/15 3.41 0.0517
11 PM 12/15 3.41 0.0517
12 AM 12/16 3.41 0.0517
1 AM 12/16 3.41 0.0517
2 AM 12/16 3.41 0.0517
3 AM 12/16 3.41 0.0517
4 AM 12/16 3.41 0.0517
5 AM 12/16 3.41 0.0517
6 AM 12/16 3.41 0.0517
7 AM 12/16 3.41 0.0517
8 AM 12/16 3.41 0.0517
9 AM 12/16 3.41 0.0517
10 AM 12/16 3.41 0.0517
11 AM 12/16 3.41 0.0517
12 PM 12/16 3.41 0.0517
1 PM 12/16 3.41 0.0517
2 PM 12/16 3.41 0.0517
3 PM 12/16 3.41 0.0517
4 PM 12/16 3.41 0.0517
5 PM 12/16 3.41 0.0517
6 PM 12/16 3.41 0.0517
7 PM 12/16 3.41 0.0517
8 PM 12/16 3.41 0.0517
9 PM 12/16 3.41 0.0517
10 PM 12/16 3.41 0.0517
11 PM 12/16 3.41 0.0517
12 AM 12/17 3.41 0.0517
1 AM 12/17 3.41 0.0517
2 AM 12/17 3.41 0.0517
3 AM 12/17 3.41 0.0517
4 AM 12/17 3.41 0.0517
5 AM 12/17 3.41 0.0517
6 AM 12/17 3.41 0.0517
7 AM 12/17 3.41 0.0517
8 AM 12/17 3.41 0.0517
9 AM 12/17 3.41 0.0517
10 AM 12/17 3.41 0.0517
11 AM 12/17 3.41 0.0517
12 PM 12/17 3.41 0.0517
1 PM 12/17 3.41 0.0517
2 PM 12/17 3.41 0.0517
3 PM 12/17 3.41 0.0517
4 PM 12/17 3.41 0.0517
5 PM 12/17 3.41 0.0517
6 PM 12/17 3.41 0.0517
7 PM 12/17 3.41 0.0517
8 PM 12/17 3.41 0.0517
9 PM 12/17 3.41 0.0517
10 PM 12/17 3.41 0.0517
11 PM 12/17 3.41 0.0517
12 AM 12/18 3.41 0.0517
1 AM 12/18 3.41 0.0517
2 AM 12/18 3.41 0.0517
3 AM 12/18 3.41 0.0517
4 AM 12/18 3.41 0.0517
5 AM 12/18 3.41 0.0517
6 AM 12/18 3.41 0.0517
7 AM 12/18 3.41 0.0517
8 AM 12/18 3.41 0.0517
9 AM 12/18 3.41 0.0517
10 AM 12/18 3.41 0.0517
11 AM 12/18 3.41 0.0517
12 PM 12/18 3.41 0.0517
1 PM 12/18 3.41 0.0517
2 PM 12/18 3.41 0.0517
3 PM 12/18 3.41 0.0517
4 PM 12/18 3.41 0.0517
5 PM 12/18 3.41 0.0517
6 PM 12/18 3.41 0.0517
7 PM 12/18 3.41 0.0517
8 PM 12/18 3.41 0.0517
9 PM 12/18 3.41 0.0517
10 PM 12/18 3.41 0.0517
11 PM 12/18 3.41 0.0517
12 AM 12/19 3.41 0.0517
1 AM 12/19 3.41 0.0517
2 AM 12/19 3.41 0.0517
3 AM 12/19 3.41 0.0517
4 AM 12/19 3.41 0.0517
5 AM 12/19 3.41 0.0517
6 AM 12/19 3.41 0.0517
7 AM 12/19 3.41 0.0517
8 AM 12/19 3.41 0.0517
9 AM 12/19 3.41 0.0517
10 AM 12/19 3.42 0.0526
11 AM 12/19 3.42 0.0526
12 PM 12/19 3.42 0.0526
1 PM 12/19 3.43 0.0536
2 PM 12/19 3.44 0.0546
3 PM 12/19 3.44 0.0546
4 PM 12/19 3.45 0.0556
5 PM 12/19 3.46 0.0566
6 PM 12/19 3.47 0.0576
7 PM 12/19 3.48 0.0587
8 PM 12/19 3.5 0.0608
9 PM 12/19 3.51 0.0619
10 PM 12/19 3.52 0.063
11 PM 12/19 3.53 0.0641
12 AM 12/20 3.53 0.0641
1 AM 12/20 3.53 0.0641
2 AM 12/20 3.52 0.063
3 AM 12/20 3.52 0.063
4 AM 12/20 3.51 0.0619
5 AM 12/20 3.51 0.0619
6 AM 12/20 3.51 0.0619
7 AM 12/20 3.5 0.0608
8 AM 12/20 3.5 0.0608
9 AM 12/20 3.49 0.0597
10 AM 12/20 3.49 0.0597
11 AM 12/20 3.49 0.0597
12 PM 12/20 3.48 0.0587
1 PM 12/20 3.48 0.0587
2 PM 12/20 3.47 0.0576
3 PM 12/20 3.47 0.0576
4 PM 12/20 3.47 0.0576
5 PM 12/20 3.46 0.0566
6 PM 12/20 3.46 0.0566
7 PM 12/20 3.46 0.0566
8 PM 12/20 3.46 0.0566
9 PM 12/20 3.46 0.0566
10 PM 12/20 3.46 0.0566
11 PM 12/20 3.45 0.0556
12 AM 12/21 3.45 0.0556
1 AM 12/21 3.45 0.0556
2 AM 12/21 3.45 0.0556
3 AM 12/21 3.45 0.0556
4 AM 12/21 3.45 0.0556
5 AM 12/21 3.45 0.0556
6 AM 12/21 3.45 0.0556
7 AM 12/21 3.45 0.0556
8 AM 12/21 3.45 0.0556
9 AM 12/21 3.45 0.0556
10 AM 12/21 3.45 0.0556
11 AM 12/21 3.45 0.0556
12 PM 12/21 3.46 0.0566
1 PM 12/21 3.46 0.0566
2 PM 12/21 3.46 0.0566
3 PM 12/21 3.46 0.0566
4 PM 12/21 3.46 0.0566
5 PM 12/21 3.46 0.0566
6 PM 12/21 3.47 0.0576
7 PM 12/21 3.47 0.0576
8 PM 12/21 3.48 0.0587
9 PM 12/21 3.48 0.0587
10 PM 12/21 3.49 0.0597
11 PM 12/21 3.49 0.0597
12 AM 12/22 3.5 0.0608
1 AM 12/22 3.51 0.0619
2 AM 12/22 3.51 0.0619
3 AM 12/22 3.52 0.063
4 AM 12/22 3.53 0.0641
5 AM 12/22 3.53 0.0641
TimeStage (ft)Flow (kcfs)
3:00 PM 12/15 3.17 0.0289
2:45 PM 12/15 3.17 0.0289
2:30 PM 12/15 3.18 0.0299
2:15 PM 12/15 3.19 0.0309
2:00 PM 12/15 3.2 0.0319
1:45 PM 12/15 3.21 0.033
1:30 PM 12/15 3.21 0.033
1:15 PM 12/15 3.22 0.0338
1:00 PM 12/15 3.22 0.0338
12:45 PM 12/15 3.21 0.033
12:30 PM 12/15 3.21 0.033
12:15 PM 12/15 3.19 0.0309
12:00 PM 12/15 3.17 0.0289
11:45 AM 12/15 3.16 0.028
11:30 AM 12/15 3.14 0.0262
11:15 AM 12/15 3.13 0.0253
11:00 AM 12/15 3.14 0.0262
10:45 AM 12/15 3.16 0.028
10:30 AM 12/15 3.2 0.0319
10:15 AM 12/15 3.23 0.0346
10:00 AM 12/15 3.26 0.0372
9:45 AM 12/15 3.29 0.0399
9:30 AM 12/15 3.31 0.0418
9:15 AM 12/15 3.33 0.0438
9:00 AM 12/15 3.34 0.0448
8:45 AM 12/15 3.34 0.0448
8:30 AM 12/15 3.34 0.0448
8:15 AM 12/15 3.33 0.0438
8:00 AM 12/15 3.32 0.0428
7:45 AM 12/15 3.32 0.0428
Hydrograph for Blacks Fork near Little America
19' - Highway 374 near gage will be covered in water. Still no affects to the interstate.
13' - Water at base of Highway 374 Bridge.
12.53' - Record stage---due to rapid warmup and ice jams (3/12/2017).
10.9' - Record flow---9,980 cfs (6/13/1965).
10.5' - Flood stage. More widespread flooding upstream at Granger. Left bank of the river overflows and causes high water at both upstream and downstream locations. Some minor flooding along Bonomo Ranch south of gage. I-80 bridge traffic not affected at any stage.
9.5' - Bankfull stage. County Road 95--100 to 200 yds from gage--may become impassable. Low lying flooding problems begin upstream at Granger.
DateStage (ft)
Mar 12, 2017 12.53
Jun 19, 1998 10.4
May 31, 2011 10.38
Mar 11, 2007 10.23
Jun 8, 1986 10.16
May 26, 1984 9.95
Jun 14, 2010 9.58
Mar 12, 2005 9.44
Mar 2, 1992 9.43
Jun 3, 1991 9.4
Sep 29, 2014 9.07
Mar 28, 2008 8.95
Mar 16, 2012 8.91
Mar 5, 2016 8.9
Apr 5, 2019 8.86
May 30, 1999 8.55
Jul 20, 1973 8.54
Jun 11, 1997 8.53
Mar 23, 2001 8.5
Jun 14, 2016 8.49

Data provided by the National Weather Service.