Heat Advisory
2026-08-07T23:00:00-07:00

* WHAT...Hot temperatures of 90 to 95 degrees expected with low temperatures around 60 to 67 degrees. * WHERE...Siskiyou Mountains and Southern Oregon Cascades south of Crater Lake. This includes Lake of the Woods, Howard Prairie and Mt Ashland. * WHEN...Until 11 PM PDT Friday. * IMPACTS...Hot temperatures will lead to a moderate risk of heat illnesses, especially for those without adequate cooling methods.

South Fork Rogue River Near Prospect, 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 90.0
01-02 77.55
01-03 74.36
01-04 68.78
01-05 67.9
01-06 69.32
01-07 70.12
01-08 68.85
01-09 67.81
01-10 62.11
01-11 62.53
01-12 59.88
01-13 59.53
01-14 100.94
01-15 83.98
01-16 73.31
01-17 74.9
01-18 60.54
01-19 113.64
01-20 138.73
01-21 117.77
01-22 91.18
01-23 88.28
01-24 83.88
01-25 82.38
01-26 88.86
01-27 148.27
01-28 126.48
01-29 135.35
01-30 135.4
01-31 117.88
02-01 104.42
02-02 92.72
02-03 105.11
02-04 130.58
02-05 100.5
02-06 96.18
02-07 86.91
02-08 70.38
02-09 75.32
02-10 77.02
02-11 69.17
02-12 80.34
02-13 147.72
02-14 122.67
02-15 176.46
02-16 179.19
02-17 142.02
02-18 121.58
02-19 108.51
02-20 99.29
02-21 90.94
02-22 86.36
02-23 85.56
02-24 109.91
02-25 143.85
02-26 131.02
02-27 108.22
02-28 102.29
02-29 111.7
03-01 92.35
03-02 106.29
03-03 109.89
03-04 116.11
03-05 108.03
03-06 135.23
03-07 122.39
03-08 108.7
03-09 102.73
03-10 145.09
03-11 133.56
03-12 117.1
03-13 112.03
03-14 124.08
03-15 114.99
03-16 122.53
03-17 141.18
03-18 128.09
03-19 161.36
03-20 138.48
03-21 155.11
03-22 166.51
03-23 153.87
03-24 145.11
03-25 147.07
03-26 140.79
03-27 153.31
03-28 152.55
03-29 152.31
03-30 163.96
03-31 173.76
04-01 167.23
04-02 183.19
04-03 188.63
04-04 178.11
04-05 182.36
04-06 187.74
04-07 212.88
04-08 262.11
04-09 194.92
04-10 249.0
04-11 228.33
04-12 222.0
04-13 205.14
04-14 192.23
04-15 168.02
04-16 171.63
04-17 176.71
04-18 163.0
04-19 171.82
04-20 196.82
04-21 209.64
04-22 204.38
04-23 232.16
04-24 242.98
04-25 249.57
04-26 237.56
04-27 263.21
04-28 234.71
04-29 236.14
04-30 231.78
05-01 237.19
05-02 210.21
05-03 219.64
05-04 225.65
05-05 248.96
05-06 236.4
05-07 231.67
05-08 212.24
05-09 215.37
05-10 217.14
05-11 210.27
05-12 202.33
05-13 198.83
05-14 198.3
05-15 199.81
05-16 215.91
05-17 205.61
05-18 197.0
05-19 191.87
05-20 180.65
05-21 190.2
05-22 177.57
05-23 168.43
05-24 171.77
05-25 171.18
05-26 173.95
05-27 165.68
05-28 168.47
05-29 170.64
05-30 158.92
05-31 141.73
06-01 133.98
06-02 137.65
06-03 132.23
06-04 121.65
06-05 134.34
06-06 132.96
06-07 123.01
06-08 116.89
06-09 114.71
06-10 109.57
06-11 106.01
06-12 113.17
06-13 126.84
06-14 123.31
06-15 104.17
06-16 100.67
06-17 97.45
06-18 95.09
06-19 92.05
06-20 93.34
06-21 93.06
06-22 92.25
06-23 91.86
06-24 85.43
06-25 77.89
06-26 76.71
06-27 76.51
06-28 73.24
06-29 74.52
06-30 69.23
07-01 68.31
07-02 65.57
07-03 65.14
07-04 64.39
07-05 57.91
07-06 56.93
07-07 51.34
07-08 51.05
07-09 54.06
07-10 50.23
07-11 50.53
07-12 43.48
07-13 48.2
07-14 46.03
07-15 46.12
07-16 44.44
07-17 44.55
07-18 45.07
07-19 45.67
07-20 44.55
07-21 44.04
07-22 42.79
07-23 41.83
07-24 41.15
07-25 40.07
07-26 39.43
07-27 39.44
07-28 38.88
07-29 42.35
07-30 43.48
07-31 40.81
08-01 37.95
08-02 37.99
08-03 36.59
08-04 36.65
08-05 38.17
08-06 37.39
08-07 36.61
08-08 39.74
08-09 40.41
08-10 39.9
08-11 37.71
08-12 37.95
08-13 39.83
08-14 35.7
08-15 45.39
08-16 47.25
08-17 42.08
08-18 39.82
08-19 38.0
08-20 39.36
08-21 40.49
08-22 40.13
08-23 36.51
08-24 39.31
08-25 37.83
08-26 36.56
08-27 35.74
08-28 35.95
08-29 35.13
08-30 34.82
08-31 35.38
09-01 34.13
09-02 33.85
09-03 34.02
09-04 35.95
09-05 37.11
09-06 33.81
09-07 33.45
09-08 33.43
09-09 37.06
09-10 37.27
09-11 37.35
09-12 38.58
09-13 38.9
09-14 37.85
09-15 37.78
09-16 39.35
09-17 36.92
09-18 33.1
09-19 32.67
09-20 37.89
09-21 39.48
09-22 41.39
09-23 40.93
09-24 35.9
09-25 33.29
09-26 38.94
09-27 37.55
09-28 39.08
09-29 38.6
09-30 46.37
10-01 55.36
10-02 44.12
10-03 45.23
10-04 41.21
10-05 35.35
10-06 34.66
10-07 35.11
10-08 35.15
10-09 36.19
10-10 36.64
10-11 40.43
10-12 38.55
10-13 36.24
10-14 35.8
10-15 35.39
10-16 37.37
10-17 38.71
10-18 37.84
10-19 41.77
10-20 40.11
10-21 38.95
10-22 39.9
10-23 40.49
10-24 45.56
10-25 45.53
10-26 40.36
10-27 45.21
10-28 38.07
10-29 42.84
10-30 45.42
10-31 35.67
11-01 41.64
11-02 38.74
11-03 37.98
11-04 39.66
11-05 42.08
11-06 49.72
11-07 48.1
11-08 45.15
11-09 43.48
11-10 42.77
11-11 42.04
11-12 46.45
11-13 42.41
11-14 41.38
11-15 41.91
11-16 57.27
11-17 42.51
11-18 47.7
11-19 48.75
11-20 50.2
11-21 54.23
11-22 52.32
11-23 51.88
11-24 45.46
11-25 55.24
11-26 62.3
11-27 67.23
11-28 53.72
11-29 46.97
11-30 50.9
12-01 55.37
12-02 57.51
12-03 73.75
12-04 69.35
12-05 87.01
12-06 90.34
12-07 75.62
12-08 72.21
12-09 87.89
12-10 81.88
12-11 64.55
12-12 71.81
12-13 56.38
12-14 55.48
12-15 52.51
12-16 62.08
12-17 70.92
12-18 49.98
12-19 76.75
12-20 80.45
12-21 114.33
12-22 343.05
12-23 202.76
12-24 132.99
12-25 122.45
12-26 97.25
12-27 97.25
12-28 95.52
12-29 80.34
12-30 82.1
12-31 132.64

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index