Heat Advisory
2026-07-22T23:00:00-07:00

* WHAT...Temperatures as high as 95 to 100 expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, Lower Columbia River and Cowlitz River Valleys, and East Central Willamette Valley. * WHEN...From 10 AM Tuesday to 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from fires outside of the region or clouds moving into the area could result in cooler daytime high temperatures than currently forecast.

Fairview Creek At Glisan St Near Gresham, 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 6.2
01-02 5.02
01-03 4.75
01-04 7.59
01-05 7.44
01-06 7.7
01-07 8.36
01-08 8.09
01-09 7.02
01-10 7.04
01-11 6.37
01-12 7.51
01-13 10.39
01-14 7.8
01-15 5.8
01-16 5.88
01-17 6.73
01-18 8.33
01-19 12.14
01-20 12.34
01-21 8.04
01-22 7.38
01-23 7.78
01-24 6.65
01-25 8.49
01-26 6.32
01-27 6.42
01-28 7.09
01-29 7.42
01-30 7.5
01-31 6.27
02-01 5.36
02-02 5.43
02-03 5.64
02-04 4.83
02-05 4.01
02-06 4.53
02-07 5.07
02-08 5.32
02-09 5.14
02-10 5.06
02-11 4.1
02-12 4.91
02-13 5.08
02-14 4.39
02-15 4.4
02-16 7.06
02-17 6.59
02-18 7.71
02-19 6.67
02-20 5.85
02-21 5.27
02-22 5.03
02-23 6.57
02-24 6.52
02-25 7.38
02-26 5.67
02-27 5.26
02-28 4.61
02-29 4.3
03-01 7.27
03-02 6.3
03-03 5.83
03-04 5.03
03-05 4.01
03-06 5.52
03-07 5.31
03-08 4.63
03-09 4.47
03-10 5.56
03-11 4.79
03-12 4.81
03-13 8.6
03-14 9.69
03-15 8.22
03-16 9.21
03-17 6.26
03-18 5.37
03-19 5.38
03-20 4.69
03-21 5.74
03-22 7.8
03-23 6.23
03-24 5.67
03-25 6.28
03-26 5.34
03-27 5.52
03-28 5.12
03-29 6.0
03-30 5.96
03-31 5.95
04-01 5.54
04-02 5.47
04-03 5.18
04-04 4.72
04-05 4.75
04-06 4.79
04-07 6.35
04-08 7.32
04-09 5.95
04-10 5.11
04-11 6.03
04-12 7.93
04-13 7.29
04-14 6.74
04-15 6.06
04-16 5.92
04-17 5.13
04-18 5.01
04-19 4.92
04-20 5.96
04-21 5.69
04-22 5.11
04-23 5.22
04-24 5.32
04-25 6.65
04-26 5.47
04-27 5.37
04-28 4.99
04-29 4.47
04-30 3.86
05-01 5.35
05-02 4.54
05-03 4.46
05-04 5.29
05-05 4.89
05-06 5.4
05-07 5.17
05-08 4.88
05-09 5.07
05-10 5.19
05-11 4.27
05-12 3.8
05-13 3.77
05-14 3.55
05-15 3.66
05-16 5.75
05-17 4.99
05-18 4.38
05-19 4.8
05-20 4.67
05-21 3.91
05-22 4.43
05-23 4.77
05-24 4.76
05-25 4.65
05-26 4.28
05-27 3.65
05-28 3.95
05-29 3.95
05-30 4.32
05-31 3.26
06-01 3.11
06-02 3.18
06-03 3.16
06-04 2.68
06-05 3.17
06-06 3.47
06-07 3.3
06-08 3.49
06-09 3.76
06-10 5.26
06-11 5.59
06-12 4.18
06-13 3.62
06-14 3.75
06-15 3.38
06-16 3.53
06-17 4.24
06-18 3.35
06-19 2.98
06-20 4.03
06-21 2.96
06-22 3.93
06-23 2.71
06-24 2.62
06-25 2.8
06-26 2.27
06-27 3.37
06-28 3.27
06-29 2.92
06-30 2.13
07-01 2.23
07-02 2.53
07-03 3.07
07-04 2.89
07-05 2.33
07-06 2.3
07-07 2.54
07-08 2.01
07-09 2.16
07-10 2.28
07-11 2.35
07-12 2.09
07-13 2.59
07-14 2.33
07-15 1.79
07-16 1.91
07-17 1.56
07-18 1.77
07-19 1.78
07-20 1.41
07-21 1.38
07-22 1.18
07-23 1.55
07-24 1.9
07-25 1.71
07-26 1.74
07-27 1.78
07-28 1.56
07-29 1.55
07-30 1.58
07-31 1.48
08-01 1.87
08-02 2.7
08-03 1.68
08-04 1.7
08-05 1.41
08-06 1.55
08-07 1.54
08-08 1.43
08-09 1.45
08-10 1.56
08-11 1.52
08-12 1.49
08-13 1.17
08-14 1.47
08-15 1.49
08-16 1.51
08-17 1.9
08-18 1.91
08-19 1.76
08-20 1.82
08-21 1.57
08-22 1.39
08-23 1.37
08-24 1.44
08-25 1.47
08-26 1.36
08-27 1.47
08-28 1.5
08-29 1.52
08-30 1.79
08-31 1.79
09-01 1.77
09-02 1.93
09-03 2.06
09-04 1.87
09-05 1.71
09-06 1.84
09-07 2.28
09-08 1.8
09-09 1.73
09-10 2.59
09-11 2.32
09-12 1.86
09-13 1.66
09-14 1.63
09-15 1.47
09-16 1.71
09-17 1.85
09-18 2.98
09-19 5.33
09-20 4.59
09-21 4.27
09-22 3.08
09-23 2.49
09-24 2.24
09-25 3.07
09-26 2.84
09-27 2.71
09-28 3.0
09-29 3.2
09-30 3.92
10-01 3.82
10-02 3.01
10-03 2.83
10-04 2.68
10-05 1.97
10-06 2.24
10-07 1.86
10-08 2.34
10-09 2.02
10-10 4.13
10-11 4.78
10-12 3.98
10-13 4.42
10-14 5.44
10-15 4.62
10-16 5.48
10-17 4.02
10-18 4.12
10-19 3.57
10-20 3.64
10-21 3.28
10-22 5.16
10-23 6.89
10-24 6.13
10-25 5.1
10-26 5.04
10-27 4.9
10-28 5.38
10-29 6.19
10-30 6.41
10-31 9.35
11-01 6.75
11-02 6.73
11-03 5.17
11-04 4.62
11-05 6.81
11-06 6.64
11-07 8.42
11-08 7.34
11-09 4.19
11-10 3.86
11-11 3.9
11-12 5.2
11-13 8.34
11-14 5.17
11-15 5.49
11-16 7.77
11-17 5.23
11-18 5.14
11-19 5.9
11-20 8.67
11-21 7.14
11-22 6.5
11-23 7.02
11-24 10.58
11-25 8.37
11-26 6.65
11-27 6.67
11-28 7.24
11-29 6.8
11-30 5.11
12-01 5.71
12-02 5.89
12-03 6.98
12-04 6.71
12-05 8.52
12-06 8.47
12-07 6.54
12-08 11.7
12-09 8.68
12-10 8.4
12-11 10.32
12-12 10.64
12-13 7.63
12-14 6.16
12-15 4.78
12-16 5.58
12-17 9.81
12-18 8.1
12-19 5.37
12-20 10.86
12-21 14.86
12-22 10.88
12-23 8.26
12-24 7.72
12-25 7.75
12-26 7.91
12-27 8.29
12-28 8.93
12-29 8.73
12-30 7.53
12-31 8.39

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index