CNRFC Ensemble Plot for WMSO3

Short-Rng Pks	10D Prob	10 Accum
4x5D Prob	Mnth Prob	Seas Trnd
WY Trend	WY Accum	Multi-Yr Accum
Historical	Verification	Custom

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WILLIAMSON RIVER - CHILOQUIN (WMSO3)

Latitude:
42.57º N

Longitude:
121.88º W

Elevation:
4149 Feet

Location: Klamath County in OR

River Group: North Coast

Issuance Time:

Jun 16 2025 at 6:48 AM PDT

Please Note:

Flow data on this product are unregulated / full natural flow.

Historical Flows

Water Year Seasonal (Apr-Sep)

Rank	Year		Annual Flow	3-Year Mean
1	2025	1735689600000	957.9	718.5
2	2024	1704067200000	557.0	539.3
3	2023	1672531200000	640.6	480.7
4	2022	1640995200000	420.1	413.1
5	2021	1609459200000	381.5	496.4
6	2020	1577836800000	437.7	536.6
7	2019	1546300800000	669.9	703.2
8	2018	1514764800000	502.1	686.1
9	2017	1483228800000	937.5	679.4
10	2016	1451606400000	618.8	518.1
11	2015	1420070400000	481.8	484.7
12	2014	1388534400000	453.6	523.7
13	2013	1356998400000	518.8	639.9
14	2012	1325376000000	598.8	631.4
15	2011	1293840000000	802.2	611.6
16	2010	1262304000000	493.2	559.1
17	2009	1230768000000	539.5	590.3
18	2008	1199145600000	644.6	747.0
19	2007	1167609600000	586.8	707.2
20	2006	1136073600000	1009.6	686.2
21	2005	1104537600000	525.1	542.7
22	2004	1072915200000	523.8	560.9
23	2003	1041379200000	579.2	554.5
24	2002	1009843200000	579.8	626.2
25	2001	978307200000	504.6	780.4
26	2000	946684800000	794.2	938.8
27	1999	915148800000	1042.5	1004.2
28	1998	883612800000	979.6	968.2
29	1997	852076800000	990.4	889.7
30	1996	820454400000	934.5	687.6
31	1995	788918400000	744.2	647.3
32	1994	757382400000	384.0	516.2
33	1993	725846400000	813.7	530.0
34	1992	694224000000	350.7	426.1
35	1991	662688000000	425.4	577.6
36	1990	631152000000	502.1	623.8
37	1989	599616000000	805.3	671.7
38	1988	567993600000	564.1	742.9
39	1987	536457600000	645.6	834.9
40	1986	504921600000	1018.9	1003.5
41	1985	473385600000	840.2	1063.4
42	1984	441763200000	1151.5	1177.7
43	1983	410227200000	1198.5	966.7
44	1982	378691200000	1183.1	801.3
45	1981	347155200000	518.4
46	1980	315532800000	702.3
47	1979	283996800000
48	1978	252460800000	887.9	716.1
49	1977	220924800000	521.9	723.9
50	1976	189302400000	738.7	937.5
51	1975	157766400000	911.1	900.1
52	1974	126230400000	1162.7	929.0
53	1973	94694400000	626.5	905.7
54	1972	63072000000	997.9	978.4
55	1971	31536000000	1092.9	927.9
56	1970	0000	844.6	747.7
57	1969	-31536000000	846.1	758.3
58	1968	-63158400000	552.2	699.8
59	1967	-94694400000	876.5	913.2
60	1966	-126230400000	670.6	846.5
61	1965	-157766400000	1192.6	933.0
62	1964	-189388800000	676.2	765.7
63	1963	-220924800000	930.1	759.0
64	1962	-252460800000	690.7	680.8
65	1961	-283996800000	656.1	699.5
66	1960	-315619200000	695.6	962.0
67	1959	-347155200000	746.9	1079.0
68	1958	-378691200000	1443.5	1359.2
69	1957	-410227200000	1046.7	1111.6
70	1956	-441849600000	1587.5	1157.3
71	1955	-473385600000	700.5	1011.9
72	1954	-504921600000	1184.1	1170.9
73	1953	-536457600000	1151.2	1076.5
74	1952	-568080000000	1177.5	908.9
75	1951	-599616000000	900.8	710.7
76	1950	-631152000000	648.3	611.2
77	1949	-662688000000	583.0	557.6
78	1948	-694310400000	602.2	613.0
79	1947	-725846400000	487.6	619.1
80	1946	-757382400000	749.4	632.4
81	1945	-788918400000	620.3	752.9
82	1944	-820540800000	527.5	778.2
83	1943	-852076800000	1110.9	787.7
84	1942	-883612800000	696.3	646.7
85	1941	-915148800000	555.9	570.9
86	1940	-946771200000	688.0	695.9
87	1939	-978307200000	468.8	630.6
88	1938	-1009843200000	931.0	682.4
89	1937	-1041379200000	491.9	551.4
90	1936	-1073001600000	624.3	525.0
91	1935	-1104537600000	538.1	477.6
92	1934	-1136073600000	412.6	484.2
93	1933	-1167609600000	482.0	478.8
94	1932	-1199232000000	558.1	481.7
95	1931	-1230768000000	396.4	463.4
96	1930	-1262304000000	490.5	562.1
97	1929	-1293840000000	503.4	703.4
98	1928	-1325462400000	692.4	691.7
99	1927	-1356998400000	914.4	701.9
100	1926	-1388534400000	468.3	553.5
101	1925	-1420070400000	723.1
102	1924	-1451692800000	469.1
103	1923	-1483228800000
104	1922	-1514764800000	718.9	697.9
105	1921	-1546300800000	849.1	697.4
106	1920	-1577923200000	525.5	637.1
107	1919	-1609459200000	717.5
108	1918	-1640995200000	668.3

Rank	Year		Seasonal Flow	3-Year Mean
1	2025	1735689600000	521.2	411.2
2	2024	1704067200000	295.2	308.2
3	2023	1672531200000	417.1	271.0
4	2022	1640995200000	212.3	202.9
5	2021	1609459200000	183.6	268.7
6	2020	1577836800000	212.7	292.5
7	2019	1546300800000	410.0	371.5
8	2018	1514764800000	254.9	326.3
9	2017	1483228800000	449.7	307.9
10	2016	1451606400000	274.4	227.9
11	2015	1420070400000	199.6	219.5
12	2014	1388534400000	209.8	263.3
13	2013	1356998400000	249.1	346.8
14	2012	1325376000000	331.1	350.8
15	2011	1293840000000	460.3	334.2
16	2010	1262304000000	260.9	304.5
17	2009	1230768000000	281.4	303.8
18	2008	1199145600000	371.2	393.3
19	2007	1167609600000	258.7	366.2
20	2006	1136073600000	549.9	357.0
21	2005	1104537600000	290.0	269.4
22	2004	1072915200000	231.1	260.3
23	2003	1041379200000	287.2	254.3
24	2002	1009843200000	262.7	283.1
25	2001	978307200000	212.9	392.3
26	2000	946684800000	373.7	503.5
27	1999	915148800000	590.3	493.9
28	1998	883612800000	546.5	427.8
29	1997	852076800000	344.8	378.3
30	1996	820454400000	392.1	316.4
31	1995	788918400000	397.9	341.0
32	1994	757382400000	159.0	256.6
33	1993	725846400000	465.9	270.3
34	1992	694224000000	144.7	185.6
35	1991	662688000000	200.3	279.0
36	1990	631152000000	211.9	288.1
37	1989	599616000000	424.6	307.9
38	1988	567993600000	227.7	299.8
39	1987	536457600000	271.4	368.2
40	1986	504921600000	400.4	475.9
41	1985	473385600000	432.8	565.7
42	1984	441763200000	594.6	600.0
43	1983	410227200000	669.8	474.0
44	1982	378691200000	535.7	353.7
45	1981	347155200000	216.4
46	1980	315532800000	309.0
47	1979	283996800000
48	1978	252460800000	396.6	324.5
49	1977	220924800000	237.0	368.1
50	1976	189302400000	339.9	475.5
51	1975	157766400000	527.4	446.4
52	1974	126230400000	559.4	413.4
53	1973	94694400000	252.4	436.8
54	1972	63072000000	428.4	457.8
55	1971	31536000000	629.7	493.5
56	1970	0000	315.3	356.4
57	1969	-31536000000	535.5	419.8
58	1968	-63158400000	218.4	354.4
59	1967	-94694400000	505.6	420.5
60	1966	-126230400000	339.3	380.0
61	1965	-157766400000	416.5	415.9
62	1964	-189388800000	384.1	396.2
63	1963	-220924800000	447.0	364.8
64	1962	-252460800000	357.6	322.7
65	1961	-283996800000	289.8	304.4
66	1960	-315619200000	320.7	447.1
67	1959	-347155200000	302.7	502.8
68	1958	-378691200000	717.9	705.4
69	1957	-410227200000	487.9	581.8
70	1956	-441849600000	910.6	633.5
71	1955	-473385600000	346.9	546.7
72	1954	-504921600000	643.1	708.2
73	1953	-536457600000	650.2	646.4
74	1952	-568080000000	831.3	547.8
75	1951	-599616000000	457.6	377.5
76	1950	-631152000000	354.4	343.8
77	1949	-662688000000	320.6	300.2
78	1948	-694310400000	356.3	331.8
79	1947	-725846400000	223.8	323.9
80	1946	-757382400000	415.4	337.0
81	1945	-788918400000	332.5	433.0
82	1944	-820540800000	263.2	447.8
83	1943	-852076800000	703.5	449.6
84	1942	-883612800000	376.8	330.3
85	1941	-915148800000	268.6	276.1
86	1940	-946771200000	345.6	395.4
87	1939	-978307200000	214.1	372.3
88	1938	-1009843200000	626.6	415.3
89	1937	-1041379200000	276.1	311.1
90	1936	-1073001600000	343.3	281.4
91	1935	-1104537600000	314.0	256.8
92	1934	-1136073600000	187.0	252.2
93	1933	-1167609600000	269.4	249.6
94	1932	-1199232000000	300.1	233.2
95	1931	-1230768000000	179.4	215.3
96	1930	-1262304000000	220.0	270.6
97	1929	-1293840000000	246.5	367.2
98	1928	-1325462400000	345.4	353.0
99	1927	-1356998400000	509.8	362.1
100	1926	-1388534400000	203.9	258.0
101	1925	-1420070400000	372.7
102	1924	-1451692800000	197.5
103	1923	-1483228800000
104	1922	-1514764800000	480.6	391.1
105	1921	-1546300800000	443.7	367.3
106	1920	-1577923200000	248.9	317.9
107	1919	-1609459200000	409.3
108	1918	-1640995200000	295.6

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (ORZ029)

Today: Partly cloudy until early afternoon then clearing. Highs in the lower to mid 70s. West winds around 5 mph increasing to 10 to 15 mph This Afternoon.

Tonight: Mostly clear. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph decreasing to around 5 mph well after midnight.

Tuesday: Sunny. Highs in the mid 70s to lower 80s. Northwest winds around 5 mph shifting to the southwest in the late morning and early afternoon, then shifting to the west late in the afternoon.

Tuesday Night: Clear. Lows in the lower 40s to lower 50s. Northwest winds 10 to 15 mph decreasing to around 5 mph well after midnight.

Wednesday: Sunny. Highs in the mid 70s to mid 80s. Northwest winds around 5 mph shifting to the west in the afternoon.

Wednesday Night and juneteenth: Clear. Lows in the lower 40s to lower 50s. Highs in the mid 70s to mid 80s.

Thursday Night and Friday: Mostly clear. Not as warm. Lows in the mid 30s to mid 40s. Highs in the mid 60s to mid 70s.

Friday Night: Partly cloudy with a slight chance of rain showers in the evening, then mostly cloudy with a chance of rain and snow showers after midnight. Colder. Lows in the lower 30s to lower 40s.

Saturday: Mostly cloudy. Chance of rain and snow showers in the morning, then chance of rain showers in the afternoon. Highs in the lower 50s to lower 60s.

Saturday Night: Partly cloudy. Slight chance of rain showers in the evening. Areas of frost after midnight. Lows in the lower 30s to lower 40s.

Sunday: Partly cloudy in the morning then becoming sunny. Warmer. Areas of frost in the morning. Highs in the mid 60s to lower 70s.

Flood Impacts
10.0 Feet	Widespread flooding is occurring along the Williamson River from the Highway 97 bridge downstream to Upper Klamath Lake. Widespread farm land flooding is occurring. Numerous structures are flooded.
9.0 Feet	The Williamson River is at flood stage. Water exceeds the channel of the river and begins to impact structures along the river and in low-lying areas near the river.
8.0 Feet	The Williamson River is near bankfull stage. Water is nearing many structures along and enar the river. Water is close to structures at the Water Wheel Campground near Highway 97.