Overview Realtime Historical Map View
Heat Advisory
2026-08-05T23:00:00-07:00

* WHAT...Afternoon high temperatures of 95 to 100 degrees and morning low temperatures of 60 to 65 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From noon Tuesday to 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Wildfire smoke is expected to increase west of the Cascades early in the week, which may limit high temperatures by approximately 1-3 degrees. However, temperatures will still be hot enough to bring an increased risk of heat-related illnesses even if temperatures are dampened a few degrees from smoke.

Fanno Creek At Durham, Or 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 38.17
01-02 41.25
01-03 68.86
01-04 87.22
01-05 75.12
01-06 64.97
01-07 117.48
01-08 79.21
01-09 88.55
01-10 83.82
01-11 65.0
01-12 123.27
01-13 195.29
01-14 71.65
01-15 52.51
01-16 73.79
01-17 68.33
01-18 145.79
01-19 180.84
01-20 133.55
01-21 99.63
01-22 86.93
01-23 83.38
01-24 88.08
01-25 115.88
01-26 60.36
01-27 83.19
01-28 79.77
01-29 82.14
01-30 84.6
01-31 50.99
02-01 45.27
02-02 59.72
02-03 62.1
02-04 47.39
02-05 38.44
02-06 57.88
02-07 59.23
02-08 64.91
02-09 53.31
02-10 51.42
02-11 44.71
02-12 75.46
02-13 60.06
02-14 39.42
02-15 60.55
02-16 110.61
02-17 70.97
02-18 70.02
02-19 77.67
02-20 53.55
02-21 49.57
02-22 42.26
02-23 60.3
02-24 75.3
02-25 80.78
02-26 54.87
02-27 52.97
02-28 50.11
02-29 125.67
03-01 123.32
03-02 65.96
03-03 67.03
03-04 51.42
03-05 42.13
03-06 78.06
03-07 59.84
03-08 39.58
03-09 57.89
03-10 74.31
03-11 56.64
03-12 71.19
03-13 143.96
03-14 130.51
03-15 112.07
03-16 138.16
03-17 64.66
03-18 47.49
03-19 41.18
03-20 47.29
03-21 62.48
03-22 80.99
03-23 57.19
03-24 70.47
03-25 63.61
03-26 43.2
03-27 47.51
03-28 50.63
03-29 105.05
03-30 86.87
03-31 65.59
04-01 58.58
04-02 48.15
04-03 38.36
04-04 41.67
04-05 37.63
04-06 39.99
04-07 80.21
04-08 71.34
04-09 56.56
04-10 40.33
04-11 76.63
04-12 54.25
04-13 54.49
04-14 44.16
04-15 34.01
04-16 45.76
04-17 33.09
04-18 41.36
04-19 36.4
04-20 58.22
04-21 36.51
04-22 31.4
04-23 35.75
04-24 37.61
04-25 38.42
04-26 30.09
04-27 25.0
04-28 21.86
04-29 18.67
04-30 26.34
05-01 21.98
05-02 17.67
05-03 29.92
05-04 27.61
05-05 28.34
05-06 21.25
05-07 36.93
05-08 18.53
05-09 59.38
05-10 19.17
05-11 15.62
05-12 23.6
05-13 23.01
05-14 19.7
05-15 17.27
05-16 28.62
05-17 18.86
05-18 15.42
05-19 40.66
05-20 18.95
05-21 14.1
05-22 20.26
05-23 35.71
05-24 30.68
05-25 26.79
05-26 22.43
05-27 26.7
05-28 24.57
05-29 18.54
05-30 15.84
05-31 14.58
06-01 11.04
06-02 14.51
06-03 13.93
06-04 10.4
06-05 26.07
06-06 16.43
06-07 17.65
06-08 16.11
06-09 19.56
06-10 15.79
06-11 41.87
06-12 17.31
06-13 17.38
06-14 22.94
06-15 12.29
06-16 14.7
06-17 14.9
06-18 10.85
06-19 20.47
06-20 15.8
06-21 10.91
06-22 12.56
06-23 8.29
06-24 10.69
06-25 9.56
06-26 12.37
06-27 20.18
06-28 18.07
06-29 9.22
06-30 6.74
07-01 6.84
07-02 7.46
07-03 6.11
07-04 6.11
07-05 5.2
07-06 5.44
07-07 6.04
07-08 4.95
07-09 5.48
07-10 6.23
07-11 5.12
07-12 5.94
07-13 6.02
07-14 5.18
07-15 5.39
07-16 5.47
07-17 6.72
07-18 13.65
07-19 5.58
07-20 4.91
07-21 5.94
07-22 4.96
07-23 6.13
07-24 7.79
07-25 4.36
07-26 3.72
07-27 3.59
07-28 3.74
07-29 3.31
07-30 3.11
07-31 3.05
08-01 2.56
08-02 2.94
08-03 3.3
08-04 3.06
08-05 2.75
08-06 2.82
08-07 3.26
08-08 3.15
08-09 3.42
08-10 3.53
08-11 3.4
08-12 3.47
08-13 3.01
08-14 2.97
08-15 3.0
08-16 2.94
08-17 3.28
08-18 3.25
08-19 3.02
08-20 2.93
08-21 2.86
08-22 3.06
08-23 2.93
08-24 2.96
08-25 2.9
08-26 2.89
08-27 3.94
08-28 3.64
08-29 3.86
08-30 6.01
08-31 3.78
09-01 7.19
09-02 3.78
09-03 3.9
09-04 4.25
09-05 3.02
09-06 9.84
09-07 8.83
09-08 4.23
09-09 3.95
09-10 4.38
09-11 4.42
09-12 3.51
09-13 3.29
09-14 3.22
09-15 5.0
09-16 8.21
09-17 5.3
09-18 13.46
09-19 16.36
09-20 15.77
09-21 21.7
09-22 7.9
09-23 11.71
09-24 10.07
09-25 13.76
09-26 15.75
09-27 7.12
09-28 37.2
09-29 42.26
09-30 49.68
10-01 22.39
10-02 16.71
10-03 18.36
10-04 10.79
10-05 8.69
10-06 13.75
10-07 7.16
10-08 7.38
10-09 5.96
10-10 31.07
10-11 15.26
10-12 18.64
10-13 31.06
10-14 41.55
10-15 50.2
10-16 30.38
10-17 33.35
10-18 27.75
10-19 19.24
10-20 31.13
10-21 23.21
10-22 78.97
10-23 57.73
10-24 34.09
10-25 58.21
10-26 43.13
10-27 34.64
10-28 59.34
10-29 59.85
10-30 27.48
10-31 78.47
11-01 51.28
11-02 41.71
11-03 36.04
11-04 42.1
11-05 72.19
11-06 101.78
11-07 82.02
11-08 35.03
11-09 24.8
11-10 21.05
11-11 19.01
11-12 49.45
11-13 79.51
11-14 32.0
11-15 58.19
11-16 54.68
11-17 31.31
11-18 38.88
11-19 62.09
11-20 127.45
11-21 58.97
11-22 63.9
11-23 120.43
11-24 115.17
11-25 148.45
11-26 57.33
11-27 57.23
11-28 53.69
11-29 50.46
11-30 32.18
12-01 74.91
12-02 65.81
12-03 69.54
12-04 47.12
12-05 112.86
12-06 94.3
12-07 86.29
12-08 109.05
12-09 83.01
12-10 144.74
12-11 113.51
12-12 141.92
12-13 54.84
12-14 40.26
12-15 30.1
12-16 52.33
12-17 180.35
12-18 84.36
12-19 178.48
12-20 121.13
12-21 201.13
12-22 98.6
12-23 95.78
12-24 75.07
12-25 74.2
12-26 104.29
12-27 99.27
12-28 107.53
12-29 76.83
12-30 95.99
12-31 73.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index