Overview Realtime Historical Map View
Red Flag Warning
2026-08-22T22:00:00-07:00

...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A cold front will move through the region Saturday into Sunday, bringing a risk for thunderstorms and strong west to southwest winds. This will lead to critical fire weather conditions across the region. * Affected Area: Colville Reservation (Zone 702), Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707) and Lower Palouse -Snake River (Zone 709). * Winds: West to southwest 10 to 20 mph with gusts up to 35 mph. * Thunderstorms: Isolated thunderstorms may develop Saturday afternoon for zones 702 and 709. Gusty outflow winds are expected near thunderstorms. * Relative Humidities: 17 to 25 percent. * Impacts: Rapid fire spread is possible with any new or ongoing fires. Lightning strikes will have the potential to start new fires with gusty outflow winds.

Asotin Creek At Asotin, Wa 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 59.65
01-02 66.21
01-03 55.28
01-04 56.38
01-05 56.65
01-06 58.79
01-07 58.1
01-08 62.12
01-09 61.81
01-10 59.23
01-11 58.06
01-12 58.26
01-13 67.0
01-14 83.34
01-15 74.62
01-16 79.51
01-17 71.98
01-18 69.9
01-19 79.71
01-20 74.12
01-21 69.13
01-22 78.81
01-23 72.52
01-24 70.95
01-25 69.86
01-26 72.62
01-27 74.48
01-28 73.73
01-29 73.57
01-30 74.02
01-31 72.08
02-01 73.71
02-02 75.02
02-03 75.17
02-04 77.33
02-05 84.93
02-06 86.46
02-07 94.59
02-08 133.26
02-09 105.52
02-10 113.02
02-11 111.27
02-12 100.98
02-13 97.98
02-14 90.08
02-15 90.82
02-16 92.38
02-17 83.96
02-18 83.54
02-19 84.64
02-20 84.56
02-21 77.89
02-22 77.31
02-23 84.51
02-24 88.49
02-25 101.74
02-26 102.9
02-27 98.48
02-28 92.53
02-29 100.1
03-01 94.48
03-02 99.35
03-03 120.47
03-04 131.32
03-05 123.55
03-06 138.57
03-07 151.75
03-08 126.03
03-09 114.39
03-10 151.69
03-11 145.78
03-12 124.83
03-13 130.34
03-14 150.49
03-15 167.88
03-16 165.93
03-17 176.77
03-18 154.74
03-19 264.09
03-20 270.52
03-21 227.82
03-22 263.73
03-23 260.63
03-24 249.31
03-25 256.95
03-26 260.45
03-27 269.74
03-28 251.88
03-29 237.81
03-30 257.53
03-31 333.13
04-01 268.79
04-02 245.05
04-03 224.21
04-04 218.33
04-05 200.81
04-06 170.25
04-07 207.17
04-08 227.36
04-09 176.87
04-10 219.07
04-11 214.97
04-12 225.27
04-13 245.71
04-14 210.07
04-15 197.92
04-16 192.0
04-17 183.58
04-18 183.54
04-19 186.62
04-20 199.62
04-21 202.93
04-22 206.93
04-23 212.07
04-24 238.21
04-25 263.46
04-26 235.29
04-27 241.86
04-28 217.29
04-29 208.64
04-30 198.62
05-01 208.53
05-02 195.36
05-03 191.79
05-04 193.6
05-05 202.4
05-06 230.87
05-07 245.07
05-08 233.86
05-09 219.07
05-10 198.28
05-11 196.58
05-12 192.31
05-13 192.43
05-14 174.04
05-15 188.04
05-16 200.11
05-17 215.96
05-18 200.63
05-19 198.39
05-20 187.49
05-21 226.93
05-22 206.52
05-23 187.87
05-24 173.15
05-25 172.23
05-26 167.57
05-27 184.59
05-28 167.55
05-29 152.89
05-30 144.54
05-31 136.31
06-01 132.38
06-02 129.22
06-03 144.78
06-04 133.63
06-05 138.74
06-06 150.84
06-07 152.5
06-08 136.81
06-09 121.77
06-10 115.59
06-11 109.05
06-12 108.44
06-13 113.67
06-14 112.59
06-15 101.49
06-16 96.31
06-17 92.27
06-18 87.91
06-19 94.69
06-20 91.18
06-21 88.84
06-22 87.46
06-23 84.2
06-24 79.99
06-25 79.89
06-26 76.03
06-27 77.26
06-28 76.18
06-29 69.65
06-30 69.03
07-01 64.36
07-02 61.37
07-03 59.99
07-04 60.32
07-05 56.11
07-06 53.94
07-07 53.76
07-08 51.53
07-09 50.06
07-10 49.99
07-11 50.49
07-12 49.03
07-13 47.34
07-14 46.99
07-15 45.71
07-16 43.8
07-17 45.6
07-18 44.51
07-19 44.08
07-20 43.4
07-21 43.08
07-22 43.31
07-23 41.77
07-24 41.15
07-25 40.11
07-26 39.79
07-27 36.25
07-28 36.33
07-29 35.44
07-30 34.69
07-31 33.86
08-01 32.05
08-02 35.72
08-03 34.17
08-04 33.86
08-05 34.1
08-06 33.64
08-07 34.27
08-08 36.49
08-09 34.14
08-10 35.26
08-11 33.59
08-12 33.46
08-13 33.97
08-14 34.0
08-15 33.55
08-16 33.7
08-17 35.02
08-18 35.94
08-19 36.31
08-20 35.27
08-21 36.31
08-22 36.84
08-23 41.05
08-24 38.25
08-25 36.35
08-26 36.23
08-27 35.88
08-28 36.7
08-29 35.74
08-30 35.66
08-31 36.57
09-01 35.9
09-02 35.47
09-03 35.89
09-04 35.42
09-05 36.24
09-06 36.69
09-07 36.79
09-08 36.06
09-09 36.72
09-10 36.44
09-11 35.89
09-12 37.03
09-13 36.67
09-14 36.41
09-15 37.09
09-16 37.44
09-17 37.02
09-18 37.75
09-19 38.31
09-20 38.69
09-21 39.75
09-22 40.31
09-23 39.46
09-24 39.1
09-25 39.09
09-26 38.32
09-27 39.25
09-28 38.77
09-29 39.37
09-30 40.95
10-01 41.07
10-02 41.02
10-03 41.81
10-04 42.03
10-05 41.66
10-06 41.27
10-07 41.32
10-08 41.01
10-09 40.7
10-10 40.4
10-11 43.11
10-12 43.78
10-13 41.74
10-14 43.5
10-15 43.74
10-16 43.52
10-17 44.98
10-18 43.91
10-19 43.8
10-20 44.52
10-21 44.38
10-22 43.62
10-23 47.21
10-24 43.15
10-25 41.28
10-26 42.89
10-27 42.35
10-28 42.85
10-29 43.04
10-30 48.24
10-31 47.08
11-01 46.07
11-02 45.99
11-03 45.84
11-04 44.98
11-05 48.45
11-06 65.6
11-07 57.62
11-08 53.66
11-09 51.22
11-10 50.82
11-11 49.77
11-12 49.21
11-13 49.52
11-14 49.97
11-15 48.8
11-16 48.73
11-17 51.12
11-18 52.32
11-19 52.01
11-20 52.33
11-21 56.46
11-22 55.58
11-23 55.69
11-24 53.95
11-25 52.9
11-26 57.37
11-27 55.23
11-28 52.51
11-29 53.23
11-30 54.06
12-01 57.81
12-02 58.74
12-03 77.65
12-04 63.46
12-05 59.38
12-06 62.22
12-07 60.69
12-08 58.3
12-09 59.08
12-10 58.69
12-11 57.14
12-12 54.73
12-13 53.79
12-14 52.56
12-15 51.15
12-16 52.19
12-17 51.07
12-18 53.72
12-19 54.97
12-20 63.16
12-21 59.2
12-22 61.95
12-23 63.51
12-24 59.02
12-25 57.51
12-26 58.82
12-27 62.63
12-28 164.95
12-29 81.01
12-30 68.08
12-31 66.21

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index