« Back to Fort Bridger Rivers

Blacks Fork near Little America

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

Latest Observation

Updated: 2:00 AM MST 12/18/25

Status: No Flooding

Stage: 3.02 ft

Flow: 0.0162 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
4 AM 12/18 3.3 0.0408
5 AM 12/18 3.3 0.0408
6 AM 12/18 3.3 0.0408
7 AM 12/18 3.3 0.0408
8 AM 12/18 3.3 0.0408
9 AM 12/18 3.3 0.0408
10 AM 12/18 3.3 0.0408
11 AM 12/18 3.3 0.0408
12 PM 12/18 3.3 0.0408
1 PM 12/18 3.3 0.0408
2 PM 12/18 3.3 0.0408
3 PM 12/18 3.3 0.0408
4 PM 12/18 3.3 0.0408
5 PM 12/18 3.3 0.0408
6 PM 12/18 3.3 0.0408
7 PM 12/18 3.3 0.0408
8 PM 12/18 3.3 0.0408
9 PM 12/18 3.3 0.0408
10 PM 12/18 3.3 0.0408
11 PM 12/18 3.3 0.0408
12 AM 12/19 3.3 0.0408
1 AM 12/19 3.3 0.0408
2 AM 12/19 3.3 0.0408
3 AM 12/19 3.3 0.0408
4 AM 12/19 3.3 0.0408
5 AM 12/19 3.31 0.0418
6 AM 12/19 3.32 0.0428
7 AM 12/19 3.33 0.0438
8 AM 12/19 3.34 0.0448
9 AM 12/19 3.35 0.0458
10 AM 12/19 3.35 0.0458
11 AM 12/19 3.36 0.0469
12 PM 12/19 3.39 0.0498
1 PM 12/19 3.41 0.0517
2 PM 12/19 3.44 0.0546
3 PM 12/19 3.46 0.0566
4 PM 12/19 3.48 0.0587
5 PM 12/19 3.5 0.0608
6 PM 12/19 3.51 0.0619
7 PM 12/19 3.51 0.0619
8 PM 12/19 3.52 0.063
9 PM 12/19 3.52 0.063
10 PM 12/19 3.53 0.0641
11 PM 12/19 3.53 0.0641
12 AM 12/20 3.53 0.0641
1 AM 12/20 3.52 0.063
2 AM 12/20 3.51 0.0619
3 AM 12/20 3.5 0.0608
4 AM 12/20 3.49 0.0597
5 AM 12/20 3.48 0.0587
6 AM 12/20 3.47 0.0576
7 AM 12/20 3.46 0.0566
8 AM 12/20 3.45 0.0556
9 AM 12/20 3.44 0.0546
10 AM 12/20 3.43 0.0536
11 AM 12/20 3.42 0.0526
12 PM 12/20 3.42 0.0526
1 PM 12/20 3.41 0.0517
2 PM 12/20 3.4 0.0507
3 PM 12/20 3.4 0.0507
4 PM 12/20 3.39 0.0498
5 PM 12/20 3.39 0.0498
6 PM 12/20 3.38 0.0489
7 PM 12/20 3.38 0.0489
8 PM 12/20 3.38 0.0489
9 PM 12/20 3.38 0.0489
10 PM 12/20 3.37 0.048
11 PM 12/20 3.37 0.048
12 AM 12/21 3.37 0.048
1 AM 12/21 3.37 0.048
2 AM 12/21 3.37 0.048
3 AM 12/21 3.37 0.048
4 AM 12/21 3.37 0.048
5 AM 12/21 3.37 0.048
6 AM 12/21 3.38 0.0489
7 AM 12/21 3.38 0.0489
8 AM 12/21 3.38 0.0489
9 AM 12/21 3.38 0.0489
10 AM 12/21 3.38 0.0489
11 AM 12/21 3.38 0.0489
12 PM 12/21 3.39 0.0498
1 PM 12/21 3.39 0.0498
2 PM 12/21 3.4 0.0507
3 PM 12/21 3.41 0.0517
4 PM 12/21 3.41 0.0517
5 PM 12/21 3.42 0.0526
6 PM 12/21 3.43 0.0536
7 PM 12/21 3.44 0.0546
8 PM 12/21 3.45 0.0556
9 PM 12/21 3.46 0.0566
10 PM 12/21 3.47 0.0576
11 PM 12/21 3.48 0.0587
12 AM 12/22 3.49 0.0597
1 AM 12/22 3.5 0.0608
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 3.54 0.0652
6 AM 12/22 3.54 0.0652
7 AM 12/22 3.54 0.0652
8 AM 12/22 3.55 0.0663
9 AM 12/22 3.55 0.0663
10 AM 12/22 3.55 0.0663
11 AM 12/22 3.55 0.0663
12 PM 12/22 3.55 0.0663
1 PM 12/22 3.55 0.0663
2 PM 12/22 3.54 0.0652
3 PM 12/22 3.54 0.0652
4 PM 12/22 3.54 0.0652
5 PM 12/22 3.54 0.0652
6 PM 12/22 3.54 0.0652
7 PM 12/22 3.54 0.0652
8 PM 12/22 3.54 0.0652
9 PM 12/22 3.54 0.0652
10 PM 12/22 3.54 0.0652
11 PM 12/22 3.54 0.0652
12 AM 12/23 3.54 0.0652
1 AM 12/23 3.54 0.0652
2 AM 12/23 3.54 0.0652
3 AM 12/23 3.54 0.0652
4 AM 12/23 3.54 0.0652
5 AM 12/23 3.55 0.0663
6 AM 12/23 3.55 0.0663
7 AM 12/23 3.55 0.0663
8 AM 12/23 3.55 0.0663
9 AM 12/23 3.55 0.0663
10 AM 12/23 3.55 0.0663
11 AM 12/23 3.55 0.0663
12 PM 12/23 3.56 0.0674
1 PM 12/23 3.56 0.0674
2 PM 12/23 3.57 0.0686
3 PM 12/23 3.57 0.0686
4 PM 12/23 3.58 0.0698
5 PM 12/23 3.58 0.0698
6 PM 12/23 3.59 0.0709
7 PM 12/23 3.6 0.0721
8 PM 12/23 3.61 0.0733
9 PM 12/23 3.61 0.0733
10 PM 12/23 3.62 0.0746
11 PM 12/23 3.63 0.0758
12 AM 12/24 3.64 0.0771
1 AM 12/24 3.64 0.0771
2 AM 12/24 3.65 0.0784
3 AM 12/24 3.65 0.0784
4 AM 12/24 3.65 0.0784
5 AM 12/24 3.66 0.0797
TimeStage (ft)Flow (kcfs)
2:00 AM 12/18 3.02 0.0162
1:45 AM 12/18 3.01 0.0145
1:30 AM 12/18 3.01 0.0145
1:15 AM 12/18 3.01 0.0145
1:00 AM 12/18 3.01 0.0145
12:45 AM 12/18 3.01 0.0145
12:30 AM 12/18 3.02 0.0162
12:15 AM 12/18 3.02 0.0162
12:00 AM 12/18 3.02 0.0162
11:45 PM 12/17 3.02 0.0162
11:30 PM 12/17 3.02 0.0162
11:15 PM 12/17 3.01 0.0145
11:00 PM 12/17 3.03 0.018
10:45 PM 12/17 3.07 0.0207
10:30 PM 12/17 3.11 0.0237
10:15 PM 12/17 3.13 0.0253
10:00 PM 12/17 3.13 0.0253
9:45 PM 12/17 3.14 0.0262
9:30 PM 12/17 3.15 0.0271
9:15 PM 12/17 3.16 0.028
9:00 PM 12/17 3.17 0.0289
8:45 PM 12/17 3.18 0.0299
8:30 PM 12/17 3.19 0.0309
8:15 PM 12/17 3.19 0.0309
8:00 PM 12/17 3.2 0.0319
7:45 PM 12/17 3.21 0.033
7:30 PM 12/17 3.21 0.033
7:15 PM 12/17 3.22 0.0338
7:00 PM 12/17 3.23 0.0346
6:45 PM 12/17 3.24 0.0355
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.