Overview Realtime Historical Map View
Heat Advisory
2026-08-06T23:00:00-07:00

* WHAT...Afternoon high temperatures of 90 to 95 degrees and morning low temperatures of 55 to 63 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...The warmest overnight lows are expected in urban areas.

Middle Fork Willamette River Near Dexter, 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 3968.33
01-02 4267.27
01-03 4199.09
01-04 3990.0
01-05 3740.83
01-06 3573.33
01-07 3358.33
01-08 3247.5
01-09 3198.18
01-10 3297.5
01-11 3404.17
01-12 3189.09
01-13 3430.0
01-14 3500.0
01-15 3626.36
01-16 3535.45
01-17 3856.92
01-18 3826.92
01-19 3763.08
01-20 3499.23
01-21 3584.17
01-22 4634.62
01-23 4586.67
01-24 4740.83
01-25 4235.83
01-26 4604.55
01-27 4261.67
01-28 4162.5
01-29 3997.5
01-30 4025.0
01-31 3926.15
02-01 3780.77
02-02 3344.62
02-03 3028.46
02-04 2995.38
02-05 2895.0
02-06 2980.91
02-07 2845.38
02-08 2232.5
02-09 2513.57
02-10 2336.43
02-11 1763.85
02-12 2186.43
02-13 2086.43
02-14 2002.31
02-15 1901.43
02-16 2360.71
02-17 2315.38
02-18 2270.0
02-19 2304.29
02-20 2403.85
02-21 2324.29
02-22 2236.43
02-23 2187.14
02-24 2210.77
02-25 2281.67
02-26 2222.31
02-27 2097.86
02-28 2114.29
02-29 1395.0
03-01 1961.43
03-02 2051.67
03-03 1997.14
03-04 2020.71
03-05 2032.86
03-06 2091.43
03-07 2140.83
03-08 2057.69
03-09 2020.71
03-10 1990.77
03-11 1930.0
03-12 1909.29
03-13 1883.57
03-14 2004.62
03-15 1953.08
03-16 1875.0
03-17 2052.14
03-18 2155.71
03-19 2990.67
03-20 2674.29
03-21 3038.67
03-22 3075.0
03-23 3013.33
03-24 2890.67
03-25 2618.67
03-26 2684.0
03-27 2797.33
03-28 3096.67
03-29 3044.67
03-30 3197.33
03-31 2905.0
04-01 2594.0
04-02 2540.67
04-03 2765.33
04-04 2762.0
04-05 2690.0
04-06 2627.86
04-07 2553.33
04-08 2784.29
04-09 2346.92
04-10 2841.43
04-11 2908.0
04-12 2970.71
04-13 3052.14
04-14 2120.0
04-15 2872.31
04-16 2845.38
04-17 2893.33
04-18 2772.31
04-19 2408.33
04-20 2691.54
04-21 2682.86
04-22 2624.29
04-23 2639.29
04-24 2867.14
04-25 3269.23
04-26 3320.71
04-27 3467.86
04-28 3359.29
04-29 3227.14
04-30 2943.08
05-01 3404.67
05-02 3385.71
05-03 3075.0
05-04 3055.71
05-05 3094.0
05-06 3114.67
05-07 3388.67
05-08 3256.43
05-09 3260.0
05-10 3322.14
05-11 3368.0
05-12 3404.67
05-13 3480.71
05-14 3411.82
05-15 3350.77
05-16 3530.0
05-17 3500.0
05-18 3545.71
05-19 3406.0
05-20 3317.14
05-21 3377.69
05-22 3340.67
05-23 3393.33
05-24 3466.67
05-25 3487.69
05-26 3452.67
05-27 3364.0
05-28 3267.33
05-29 3149.29
05-30 3059.33
05-31 2974.67
06-01 2828.67
06-02 2766.0
06-03 2956.67
06-04 2835.71
06-05 3184.29
06-06 3421.43
06-07 3443.57
06-08 3250.0
06-09 3184.67
06-10 3335.0
06-11 3243.33
06-12 3828.57
06-13 3828.57
06-14 3775.71
06-15 3486.67
06-16 3293.33
06-17 2946.67
06-18 2687.33
06-19 2603.57
06-20 2674.29
06-21 2607.14
06-22 2534.29
06-23 2533.57
06-24 2495.0
06-25 2477.86
06-26 2422.14
06-27 2340.71
06-28 2254.29
06-29 2302.14
06-30 2251.43
07-01 2224.29
07-02 2215.71
07-03 2326.43
07-04 2252.31
07-05 2374.0
07-06 2250.71
07-07 2112.14
07-08 2107.14
07-09 2092.14
07-10 2079.33
07-11 2112.86
07-12 2169.23
07-13 2036.43
07-14 1982.67
07-15 1978.57
07-16 1904.17
07-17 1854.0
07-18 1855.71
07-19 1871.43
07-20 1882.67
07-21 1866.67
07-22 1880.0
07-23 1900.0
07-24 1896.67
07-25 1880.67
07-26 1859.29
07-27 1872.67
07-28 1880.0
07-29 1903.33
07-30 1946.67
07-31 1983.33
08-01 2019.23
08-02 2068.57
08-03 2200.0
08-04 2187.33
08-05 2162.0
08-06 2202.67
08-07 2217.86
08-08 2310.0
08-09 2284.62
08-10 2263.85
08-11 2232.86
08-12 2236.43
08-13 2274.62
08-14 2226.43
08-15 2232.86
08-16 2088.18
08-17 2188.33
08-18 2223.33
08-19 2258.46
08-20 2236.92
08-21 2132.5
08-22 2070.77
08-23 2140.71
08-24 2235.38
08-25 2243.08
08-26 2192.86
08-27 2295.71
08-28 2290.71
08-29 2329.29
08-30 2351.54
08-31 2306.15
09-01 2239.29
09-02 2225.0
09-03 2214.29
09-04 2167.86
09-05 2150.0
09-06 2126.43
09-07 2105.71
09-08 2105.0
09-09 2048.57
09-10 2060.77
09-11 2011.43
09-12 2000.0
09-13 2037.69
09-14 1985.71
09-15 1971.43
09-16 2011.54
09-17 1956.43
09-18 1925.0
09-19 1911.43
09-20 1880.71
09-21 1916.92
09-22 1870.71
09-23 1880.71
09-24 1883.57
09-25 1885.71
09-26 1876.43
09-27 1860.0
09-28 1858.57
09-29 1937.69
09-30 1771.54
10-01 1879.17
10-02 1879.23
10-03 1874.17
10-04 1830.0
10-05 1803.57
10-06 1796.43
10-07 1790.71
10-08 1782.14
10-09 1779.29
10-10 1775.71
10-11 1785.71
10-12 1772.86
10-13 1791.43
10-14 1799.17
10-15 1771.54
10-16 1802.5
10-17 1764.62
10-18 1724.29
10-19 1730.0
10-20 1752.31
10-21 1760.77
10-22 1773.85
10-23 1756.43
10-24 1745.0
10-25 1789.29
10-26 1930.0
10-27 2048.46
10-28 2145.38
10-29 2267.14
10-30 2295.0
10-31 2375.38
11-01 2359.23
11-02 2223.57
11-03 2322.31
11-04 2267.69
11-05 2210.0
11-06 2222.5
11-07 2285.83
11-08 2339.17
11-09 2503.08
11-10 2686.15
11-11 2609.17
11-12 2642.31
11-13 2454.17
11-14 2255.38
11-15 2268.57
11-16 2396.43
11-17 2730.0
11-18 2940.0
11-19 3406.67
11-20 3370.71
11-21 3416.92
11-22 3797.5
11-23 4052.31
11-24 4056.92
11-25 4232.31
11-26 4697.69
11-27 4918.33
11-28 4557.86
11-29 4481.43
11-30 3889.23
12-01 4227.14
12-02 4204.29
12-03 3905.38
12-04 3302.14
12-05 3090.0
12-06 3180.83
12-07 3363.08
12-08 3373.57
12-09 3246.43
12-10 3291.54
12-11 3409.29
12-12 3279.29
12-13 3066.92
12-14 3353.33
12-15 3256.15
12-16 3651.54
12-17 3021.67
12-18 3137.5
12-19 2897.27
12-20 2984.0
12-21 2826.36
12-22 2900.91
12-23 3705.83
12-24 4309.17
12-25 4403.33
12-26 4760.91
12-27 4019.0
12-28 4046.0
12-29 4097.5
12-30 4002.0
12-31 4107.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index