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Fire Weather Watch
2026-08-04T22:00:00-07:00

...ENHANCED EAST-NORTHEAST WINDS WILL PROMOTE BREEZY AND VERY DRY CONDITIONS TUESDAY... .A thermal trough developing along the coast will attribute to east-northeast winds bringing a very dry airmass to the area. Enhanced winds will also be present, providing critical fire weather spread potential Tuesday. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Tuesday morning through Tuesday evening. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 701 Eastern Columbia River Gorge of Oregon and 702 East Slopes of the Mt. Hood National Forest. * TIMING...From Tuesday morning through Tuesday evening. * WINDS...Northeast 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

Willow Creek At Heppner, Oreg. 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 4.26
01-02 4.56
01-03 4.52
01-04 4.38
01-05 4.33
01-06 4.39
01-07 4.38
01-08 4.34
01-09 5.4
01-10 4.44
01-11 4.42
01-12 4.87
01-13 4.85
01-14 4.81
01-15 4.83
01-16 4.84
01-17 4.91
01-18 4.87
01-19 6.11
01-20 6.92
01-21 4.0
01-22 9.41
01-23 10.56
01-24 18.37
01-25 20.09
01-26 20.87
01-27 19.53
01-28 19.51
01-29 19.74
01-30 26.5
01-31 25.83
02-01 26.21
02-02 24.64
02-03 21.02
02-04 20.79
02-05 21.22
02-06 9.55
02-07 6.52
02-08 8.65
02-09 8.04
02-10 8.12
02-11 8.13
02-12 7.07
02-13 7.14
02-14 7.12
02-15 6.65
02-16 7.02
02-17 3.79
02-18 3.8
02-19 5.03
02-20 5.76
02-21 11.2
02-22 11.28
02-23 11.29
02-24 11.39
02-25 15.45
02-26 15.14
02-27 15.76
02-28 15.34
02-29 13.12
03-01 16.32
03-02 15.69
03-03 15.66
03-04 10.04
03-05 11.14
03-06 12.44
03-07 13.83
03-08 13.92
03-09 14.27
03-10 14.16
03-11 12.69
03-12 17.39
03-13 21.5
03-14 17.92
03-15 12.7
03-16 15.63
03-17 16.33
03-18 25.1
03-19 32.97
03-20 34.11
03-21 33.91
03-22 37.29
03-23 42.83
03-24 42.53
03-25 40.67
03-26 48.96
03-27 54.96
03-28 59.41
03-29 57.07
03-30 59.14
03-31 65.64
04-01 63.1
04-02 65.39
04-03 63.37
04-04 59.11
04-05 54.36
04-06 54.24
04-07 55.46
04-08 59.01
04-09 33.58
04-10 57.73
04-11 65.09
04-12 50.99
04-13 64.86
04-14 69.33
04-15 71.2
04-16 72.01
04-17 73.2
04-18 66.64
04-19 67.78
04-20 79.25
04-21 75.19
04-22 80.42
04-23 79.11
04-24 80.45
04-25 84.34
04-26 80.5
04-27 82.15
04-28 89.7
04-29 87.46
04-30 66.26
05-01 77.91
05-02 61.03
05-03 48.27
05-04 53.78
05-05 52.94
05-06 52.65
05-07 50.73
05-08 48.49
05-09 47.59
05-10 53.94
05-11 51.87
05-12 50.87
05-13 48.51
05-14 42.93
05-15 39.78
05-16 37.49
05-17 41.83
05-18 43.11
05-19 44.73
05-20 46.91
05-21 44.97
05-22 46.41
05-23 46.02
05-24 46.31
05-25 39.35
05-26 39.06
05-27 39.12
05-28 36.71
05-29 35.91
05-30 34.64
05-31 38.21
06-01 43.15
06-02 41.18
06-03 37.22
06-04 42.73
06-05 52.8
06-06 47.76
06-07 50.02
06-08 49.06
06-09 43.53
06-10 41.83
06-11 40.13
06-12 37.75
06-13 38.33
06-14 47.8
06-15 45.39
06-16 44.29
06-17 44.91
06-18 40.69
06-19 42.58
06-20 42.91
06-21 28.61
06-22 27.23
06-23 26.62
06-24 25.53
06-25 22.42
06-26 21.86
06-27 21.37
06-28 16.72
06-29 16.8
06-30 15.51
07-01 15.4
07-02 14.91
07-03 15.0
07-04 15.49
07-05 14.75
07-06 14.35
07-07 14.74
07-08 15.02
07-09 15.78
07-10 16.36
07-11 16.41
07-12 16.42
07-13 16.94
07-14 16.77
07-15 16.73
07-16 17.04
07-17 17.03
07-18 16.82
07-19 17.03
07-20 17.24
07-21 16.71
07-22 16.97
07-23 18.36
07-24 18.16
07-25 18.41
07-26 18.16
07-27 18.49
07-28 18.37
07-29 17.95
07-30 17.3
07-31 17.45
08-01 17.38
08-02 17.24
08-03 17.64
08-04 17.57
08-05 17.3
08-06 16.99
08-07 16.95
08-08 17.13
08-09 17.17
08-10 16.37
08-11 15.63
08-12 15.38
08-13 15.7
08-14 15.89
08-15 15.74
08-16 15.25
08-17 15.85
08-18 15.92
08-19 15.95
08-20 15.75
08-21 15.58
08-22 15.18
08-23 14.89
08-24 15.25
08-25 15.05
08-26 14.89
08-27 14.69
08-28 15.05
08-29 14.38
08-30 14.38
08-31 13.79
09-01 14.1
09-02 13.3
09-03 13.54
09-04 12.92
09-05 12.77
09-06 12.87
09-07 12.76
09-08 12.67
09-09 12.44
09-10 13.07
09-11 12.23
09-12 11.05
09-13 10.24
09-14 10.34
09-15 9.59
09-16 9.61
09-17 8.32
09-18 7.86
09-19 7.11
09-20 6.63
09-21 6.53
09-22 6.13
09-23 5.63
09-24 5.39
09-25 5.34
09-26 5.23
09-27 5.61
09-28 5.35
09-29 5.26
09-30 5.65
10-01 5.63
10-02 5.35
10-03 4.93
10-04 4.91
10-05 4.88
10-06 4.88
10-07 4.72
10-08 4.73
10-09 4.85
10-10 4.87
10-11 5.12
10-12 4.7
10-13 6.35
10-14 6.15
10-15 6.05
10-16 6.2
10-17 5.76
10-18 5.44
10-19 3.87
10-20 6.02
10-21 5.49
10-22 5.15
10-23 5.05
10-24 3.97
10-25 3.55
10-26 3.08
10-27 3.24
10-28 3.16
10-29 3.05
10-30 3.03
10-31 2.92
11-01 2.93
11-02 3.01
11-03 2.98
11-04 3.0
11-05 2.75
11-06 2.78
11-07 2.63
11-08 4.04
11-09 3.92
11-10 3.99
11-11 3.89
11-12 4.42
11-13 3.99
11-14 4.34
11-15 4.01
11-16 4.03
11-17 4.1
11-18 4.3
11-19 4.18
11-20 4.49
11-21 4.2
11-22 4.17
11-23 4.08
11-24 4.08
11-25 4.24
11-26 4.17
11-27 4.36
11-28 3.94
11-29 3.86
11-30 3.93
12-01 3.92
12-02 4.15
12-03 3.87
12-04 2.99
12-05 2.97
12-06 2.91
12-07 3.08
12-08 2.93
12-09 2.84
12-10 2.59
12-11 2.56
12-12 2.56
12-13 2.57
12-14 2.74
12-15 2.77
12-16 2.77
12-17 2.65
12-18 2.69
12-19 2.48
12-20 3.18
12-21 2.69
12-22 2.68
12-23 2.64
12-24 2.55
12-25 2.52
12-26 2.55
12-27 2.59
12-28 4.16
12-29 4.04
12-30 4.77
12-31 4.36

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index