Dense Fog Advisory
2026-09-17T10:00:00-05:00

* WHAT...Visibility as low as one quarter to one half mile in dense fog. * WHERE...In Iowa, Harrison and Monona Counties. In Nebraska, Burt, Thurston, Wayne, Nemaha, and Richardson Counties. * WHEN...Until 10 AM CDT this morning. * 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 15.84
08-07 16.18
08-08 15.08
08-09 13.85
08-10 13.27
08-11 15.93
08-12 19.26
08-13 12.93
08-14 13.9
08-15 13.82
08-16 14.32
08-17 16.13
08-18 12.34
08-19 28.96
08-20 22.04
08-21 16.73
08-22 13.63
08-23 16.1
08-24 14.79
08-25 15.25
08-26 16.03
08-27 17.13
08-28 15.27
08-29 15.29
08-30 72.12
08-31 15.63
09-01 20.61
09-02 15.76
09-03 14.43
09-04 14.13
09-05 20.57
09-06 16.83
09-07 15.57
09-08 14.91
09-09 14.8
09-10 14.9
09-11 14.57
09-12 13.6
09-13 13.28
09-14 12.84
09-15 12.71
09-16 14.82
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