Dense Fog Advisory
2026-08-06T10:00:00-05:00

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southwest and west central Iowa and east central, northeast, and southeast Nebraska. * WHEN...From 3 AM to 10 AM CDT Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

South Omaha Creek At Walthill, Nebr. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 25.5
01-02 35.0
01-03 24.0
01-04 24.0
01-05 23.5
01-06 15.0
01-07 14.0
01-08 14.0
01-09 13.0
01-10 14.0
01-17 11.0
01-30 15.0
01-31 17.0
02-01 17.0
02-02 15.0
02-03 15.0
02-04 16.0
02-05 15.0
02-06 15.0
02-07 15.0
02-17 10.61
02-18 9.97
02-19 16.1
02-20 46.68
02-21 29.46
02-22 26.27
02-23 25.44
02-24 25.84
02-25 32.47
02-26 26.31
02-27 25.12
02-28 24.3
02-29 35.5
03-01 19.25
03-02 17.56
03-03 20.42
03-04 17.12
03-05 16.8
03-06 17.28
03-07 19.52
03-08 21.12
03-09 22.94
03-10 25.33
03-11 24.32
03-12 20.83
03-13 21.47
03-14 56.14
03-15 32.24
03-16 26.81
03-17 24.57
03-18 25.14
03-19 23.99
03-20 23.74
03-21 22.48
03-22 19.52
03-23 21.55
03-24 24.79
03-25 25.42
03-26 24.68
03-27 23.08
03-28 22.14
03-29 23.35
03-30 22.54
03-31 19.5
04-01 21.78
04-02 22.53
04-03 23.77
04-04 24.29
04-05 22.13
04-06 21.25
04-07 22.2
04-08 21.26
04-09 20.74
04-10 24.17
04-11 22.46
04-12 22.01
04-13 21.9
04-14 21.14
04-15 31.63
04-16 22.12
04-17 21.17
04-18 21.94
04-19 22.16
04-20 22.11
04-21 29.56
04-22 24.22
04-23 23.93
04-24 22.99
04-25 22.62
04-26 21.81
04-27 21.64
04-28 26.17
04-29 24.73
04-30 23.83
05-01 33.73
05-02 28.41
05-03 26.9
05-04 26.23
05-05 25.65
05-06 25.6
05-07 25.19
05-08 24.31
05-09 26.55
05-10 24.77
05-11 24.43
05-12 25.74
05-13 25.77
05-14 23.18
05-15 24.9
05-16 24.26
05-17 25.36
05-18 26.22
05-19 23.56
05-20 27.2
05-21 26.8
05-22 35.09
05-23 27.36
05-24 30.28
05-25 27.85
05-26 34.67
05-27 32.8
05-28 38.5
05-29 34.23
05-30 34.95
05-31 31.97
06-01 30.2
06-02 29.33
06-03 28.06
06-04 32.14
06-05 27.95
06-06 30.66
06-07 27.56
06-08 26.7
06-09 26.3
06-10 26.73
06-11 24.96
06-12 24.46
06-13 22.83
06-14 23.9
06-15 25.9
06-16 27.41
06-17 43.83
06-18 26.98
06-19 46.66
06-20 28.92
06-21 88.99
06-22 31.3
06-23 30.75
06-24 29.36
06-25 63.23
06-26 27.8
06-27 63.64
06-28 38.17
06-29 35.61
06-30 32.77
07-01 38.03
07-02 33.68
07-03 31.3
07-04 30.91
07-05 30.2
07-06 31.1
07-07 29.1
07-08 29.07
07-09 27.41
07-10 20.69
07-11 27.79
07-12 24.88
07-13 21.96
07-14 22.31
07-15 21.08
07-16 21.05
07-17 20.09
07-18 19.17
07-19 18.18
07-20 17.31
07-21 16.76
07-22 16.89
07-23 16.13
07-24 15.52
07-25 15.39
07-26 15.03
07-27 14.4
07-28 14.57
07-29 14.98
07-30 15.77
07-31 15.61
08-01 14.81
08-02 13.43
08-03 16.33
08-04 13.94
08-05 14.42
08-06 16.49
08-07 16.84
08-08 15.79
08-09 14.39
08-10 13.79
08-11 16.62
08-12 20.2
08-13 13.34
08-14 13.14
08-15 12.7
08-16 14.02
08-17 16.37
08-18 12.51
08-19 30.35
08-20 22.82
08-21 17.26
08-22 14.02
08-23 16.66
08-24 15.26
08-25 15.46
08-26 16.53
08-27 17.77
08-28 15.8
08-29 15.84
08-30 76.81
08-31 16.33
09-01 21.64
09-02 16.46
09-03 14.99
09-04 14.72
09-05 21.63
09-06 17.6
09-07 16.21
09-08 15.51
09-09 15.3
09-10 15.52
09-11 15.19
09-12 14.16
09-13 13.82
09-14 13.31
09-15 13.04
09-16 15.45
09-17 12.74
09-18 13.43
09-19 14.62
09-20 13.93
09-21 12.95
09-22 12.71
09-23 12.8
09-24 15.97
09-25 47.63
09-26 17.01
09-27 14.9
09-28 14.29
09-29 14.93
09-30 15.23
10-01 16.52
10-02 18.02
10-03 20.65
10-04 15.04
10-05 15.83
10-06 15.0
10-07 27.51
10-08 18.78
10-09 17.97
10-10 23.07
10-11 17.8
10-12 18.43
10-13 18.44
10-14 17.72
10-15 28.78
10-16 15.36
10-17 17.37
10-18 17.06
10-19 16.73
10-20 14.94
10-21 15.6
10-22 16.49
10-23 16.54
10-24 16.32
10-25 16.4
10-26 16.63
10-27 15.51
10-28 18.32
10-29 16.02
10-30 15.67
10-31 15.99
11-01 16.68
11-02 14.89
11-03 15.7
11-04 17.45
11-05 16.17
11-06 17.52
11-07 15.81
11-08 15.32
11-09 15.53
11-10 15.75
11-11 16.48
11-12 21.86
11-13 17.14
11-14 15.8
11-15 16.94
11-16 16.75
11-17 16.92
11-18 15.9
11-19 16.87
11-20 15.43
11-21 17.87
11-22 17.63
11-23 18.64
11-24 16.32
11-25 16.45
11-26 16.32
11-27 15.73
11-28 16.44
11-29 17.42
11-30 16.69
12-01 18.18
12-02 17.07
12-03 17.46
12-04 19.9
12-05 19.97
12-06 22.91
12-07 20.87
12-08 21.08
12-09 23.28
12-10 23.16
12-11 23.35
12-12 21.1
12-13 20.48
12-14 15.35
12-15 16.38
12-16 17.25
12-17 21.7
12-18 20.9
12-19 21.56
12-20 16.93
12-21 18.16
12-22 22.29
12-23 43.0
12-24 46.0
12-25 27.5
12-26 26.5
12-27 26.5
12-28 24.5
12-29 15.0
12-30 26.0
12-31 25.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index