National Weather Service California-Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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KLAMATH RIVER - ORLEANS (ONSC1)
Latitude: 41.30º NLongitude: 123.54º WElevation: 354 FeetForecast Type: Official Location
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Sep 05 2026 at 7:03 AM PDTNext Issuance: Sep 06 2026 at 9:00 AM PDT
Action: 32.0 FeetMinor Flood: 38.0 FeetModerate Flood: 43.0 FeetMajor Flood: 48.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Orleans (ONSC1)
#
# File Generation Time:  09/05/2026 at 07:03 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/03/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       2.75 Feet
# Maximum Observed Flow:                        2294 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/05/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.10 Feet
# Maximum Forecast Flow:                        1731 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/31/2026 07 AM PDT            2.75           2294                        Normal
  08/31/2026 08 AM PDT            2.74           2285         -              Normal
  08/31/2026 09 AM PDT            2.74           2285         0              Normal
  08/31/2026 10 AM PDT            2.72           2267         -              Normal
  08/31/2026 11 AM PDT            2.69           2240         -              Normal
  08/31/2026 12 PM PDT            2.69           2240         0              Normal
  08/31/2026 01 PM PDT            2.68           2231         -              Normal
  08/31/2026 02 PM PDT            2.68           2231         0              Normal
  08/31/2026 03 PM PDT            2.69           2240         +              Normal
  08/31/2026 04 PM PDT            2.65           2204         -              Normal
  08/31/2026 05 PM PDT            2.65           2204         0              Normal
  08/31/2026 06 PM PDT            2.64           2195         -              Normal
  08/31/2026 07 PM PDT            2.63           2186         -              Normal
  08/31/2026 08 PM PDT            2.62           2177         -              Normal
  08/31/2026 09 PM PDT            2.61           2168         -              Normal
  08/31/2026 10 PM PDT            2.60           2159         -              Normal
  08/31/2026 11 PM PDT            2.58           2142         -              Normal
  09/01/2026 12 AM PDT            2.56           2124         -              Normal
  09/01/2026 01 AM PDT            2.54           2106         -              Normal
  09/01/2026 02 AM PDT            2.54           2106         0              Normal
  09/01/2026 03 AM PDT            2.52           2089         -              Normal
  09/01/2026 04 AM PDT            2.52           2089         0              Normal
  09/01/2026 05 AM PDT            2.50           2071         -              Normal
  09/01/2026 06 AM PDT            2.50           2071         0              Normal
  09/01/2026 07 AM PDT            2.50           2071         0              Normal
  09/01/2026 08 AM PDT            2.46           2036         -              Normal
  09/01/2026 09 AM PDT            2.45           2028         -              Normal
  09/01/2026 10 AM PDT            2.42           2002         -              Normal
  09/01/2026 11 AM PDT            2.42           2002         0              Normal
  09/01/2026 12 PM PDT            2.40           1984         -              Normal
  09/01/2026 01 PM PDT            2.38           1967         -              Normal
  09/01/2026 02 PM PDT            2.37           1959         -              Normal
  09/01/2026 03 PM PDT            2.35           1941         -              Normal
  09/01/2026 04 PM PDT            2.35           1941         0              Normal
  09/01/2026 05 PM PDT            2.34           1933         -              Normal
  09/01/2026 06 PM PDT            2.35           1941         +              Normal
  09/01/2026 07 PM PDT            2.34           1933         -              Normal
  09/01/2026 08 PM PDT            2.36           1950         +              Normal
  09/01/2026 09 PM PDT            2.34           1933         -              Normal
  09/01/2026 10 PM PDT            2.34           1933         0              Normal
  09/01/2026 11 PM PDT            2.33           1924         -              Normal
  09/02/2026 12 AM PDT            2.33           1924         0              Normal
  09/02/2026 01 AM PDT            2.32           1916         -              Normal
  09/02/2026 02 AM PDT            2.32           1916         0              Normal
  09/02/2026 03 AM PDT            2.32           1916         0              Normal
  09/02/2026 04 AM PDT            2.34           1933         +              Normal
  09/02/2026 05 AM PDT            2.31           1907         -              Normal
  09/02/2026 06 AM PDT            2.32           1916         +              Normal
  09/02/2026 07 AM PDT            2.31           1907         -              Normal
  09/02/2026 08 AM PDT            2.30           1899         -              Normal
  09/02/2026 09 AM PDT            2.29           1890         -              Normal
  09/02/2026 10 AM PDT            2.28           1882         -              Normal
  09/02/2026 11 AM PDT            2.26           1865         -              Normal
  09/02/2026 12 PM PDT            2.24           1848         -              Normal
  09/02/2026 01 PM PDT            2.22           1831         -              Normal
  09/02/2026 02 PM PDT            2.23           1840         +              Normal
  09/02/2026 03 PM PDT            2.26           1865         +              Normal
  09/02/2026 04 PM PDT            2.27           1873         +              Normal
  09/02/2026 05 PM PDT            2.30           1899         +              Normal
  09/02/2026 06 PM PDT            2.35           1941         +              Normal
  09/02/2026 07 PM PDT            2.38           1967         +              Normal
  09/02/2026 08 PM PDT            2.41           1993         +              Normal
  09/02/2026 09 PM PDT            2.45           2028         +              Normal
  09/02/2026 10 PM PDT            2.47           2045         +              Normal
  09/02/2026 11 PM PDT            2.50           2071         +              Normal
  09/03/2026 12 AM PDT            2.53           2098         +              Normal
  09/03/2026 01 AM PDT            2.57           2133         +              Normal
  09/03/2026 02 AM PDT            2.60           2159         +              Normal
  09/03/2026 03 AM PDT            2.64           2195         +              Normal
  09/03/2026 04 AM PDT            2.67           2222         +              Normal
  09/03/2026 05 AM PDT            2.72           2267         +              Normal
  09/03/2026 06 AM PDT            2.74           2285         +              Normal
  09/03/2026 07 AM PDT            2.75           2294         +              Normal
  09/03/2026 08 AM PDT            2.74           2285         -              Normal
  09/03/2026 09 AM PDT            2.72           2267         -              Normal
  09/03/2026 10 AM PDT            2.71           2258         -              Normal
  09/03/2026 11 AM PDT            2.68           2231         -              Normal
  09/03/2026 12 PM PDT            2.67           2222         -              Normal
  09/03/2026 01 PM PDT            2.63           2186         -              Normal
  09/03/2026 02 PM PDT            2.65           2204         +              Normal
  09/03/2026 03 PM PDT            2.64           2195         -              Normal
  09/03/2026 04 PM PDT            2.64           2195         0              Normal
  09/03/2026 05 PM PDT            2.61           2168         -              Normal
  09/03/2026 06 PM PDT            2.60           2159         -              Normal
  09/03/2026 07 PM PDT            2.58           2142         -              Normal
  09/03/2026 08 PM PDT            2.56           2124         -              Normal
  09/03/2026 09 PM PDT            2.55           2115         -              Normal
  09/03/2026 10 PM PDT            2.53           2098         -              Normal
  09/03/2026 11 PM PDT            2.52           2089         -              Normal
  09/04/2026 12 AM PDT            2.51           2080         -              Normal
  09/04/2026 01 AM PDT            2.50           2071         -              Normal
  09/04/2026 02 AM PDT            2.51           2080         +              Normal
  09/04/2026 03 AM PDT            2.49           2063         -              Normal
  09/04/2026 04 AM PDT            2.51           2080         +              Normal
  09/04/2026 05 AM PDT            2.49           2063         -              Normal
  09/04/2026 06 AM PDT            2.49           2063         0              Normal
  09/04/2026 07 AM PDT            2.47           2045         -              Normal
  09/04/2026 08 AM PDT            2.46           2036         -              Normal
  09/04/2026 09 AM PDT            2.43           2010         -              Normal
  09/04/2026 10 AM PDT            2.42           2002         -              Normal
  09/04/2026 11 AM PDT            2.39           1976         -              Normal
  09/04/2026 12 PM PDT            2.37           1959         -              Normal
  09/04/2026 01 PM PDT            2.33           1924         -              Normal
  09/04/2026 02 PM PDT            2.31           1907         -              Normal
  09/04/2026 03 PM PDT            2.27           1873         -              Normal
  09/04/2026 04 PM PDT            2.23           1840         -              Normal
  09/04/2026 05 PM PDT            2.24           1848         +              Normal
  09/04/2026 06 PM PDT            2.22           1831         -              Normal
  09/04/2026 07 PM PDT            2.19           1806         -              Normal
  09/04/2026 08 PM PDT            2.17           1789         -              Normal
  09/04/2026 09 PM PDT            2.16           1781         -              Normal
  09/04/2026 10 PM PDT            2.16           1781         0              Normal
  09/04/2026 11 PM PDT            2.14           1764         -              Normal
  09/05/2026 12 AM PDT            2.12           1748         -              Normal
  09/05/2026 01 AM PDT            2.14           1764         +              Normal
  09/05/2026 02 AM PDT            2.12           1748         -              Normal
  09/05/2026 03 AM PDT            2.12           1748         0              Normal
  09/05/2026 04 AM PDT            2.11           1739         -              Normal
  09/05/2026 05 AM PDT            2.11           1739         0              Normal
  09/05/2026 06 AM PDT            2.10           1731         -              Normal
  09/05/2026 07 AM PDT            2.10           1731         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/05/2026 08 AM PDT            2.10           1731                        Normal
  09/05/2026 09 AM PDT            2.10           1731         0              Normal
  09/05/2026 10 AM PDT            2.09           1723         -              Normal
  09/05/2026 11 AM PDT            2.08           1715         -              Normal
  09/05/2026 12 PM PDT            2.08           1715         0              Normal
  09/05/2026 01 PM PDT            2.07           1706         -              Normal
  09/05/2026 02 PM PDT            2.06           1698         -              Normal
  09/05/2026 03 PM PDT            2.05           1690         -              Normal
  09/05/2026 04 PM PDT            2.05           1690         0              Normal
  09/05/2026 05 PM PDT            2.04           1682         -              Normal
  09/05/2026 06 PM PDT            2.03           1674         -              Normal
  09/05/2026 07 PM PDT            2.03           1674         0              Normal
  09/05/2026 08 PM PDT            2.02           1666         -              Normal
  09/05/2026 09 PM PDT            2.02           1666         0              Normal
  09/05/2026 10 PM PDT            2.01           1657         -              Normal
  09/05/2026 11 PM PDT            2.01           1657         0              Normal
  09/06/2026 12 AM PDT            2.00           1649         -              Normal
  09/06/2026 01 AM PDT            2.00           1649         0              Normal
  09/06/2026 02 AM PDT            2.00           1649         0              Normal
  09/06/2026 03 AM PDT            1.99           1641         -              Normal
  09/06/2026 04 AM PDT            1.99           1641         0              Normal
  09/06/2026 05 AM PDT            1.98           1633         -              Normal
  09/06/2026 06 AM PDT            1.98           1633         0              Normal
  09/06/2026 07 AM PDT            1.97           1625         -              Normal
  09/06/2026 08 AM PDT            1.97           1625         0              Normal
  09/06/2026 09 AM PDT            1.96           1617         -              Normal
  09/06/2026 10 AM PDT            1.95           1609         -              Normal
  09/06/2026 11 AM PDT            1.95           1609         0              Normal
  09/06/2026 12 PM PDT            1.94           1601         -              Normal
  09/06/2026 01 PM PDT            1.94           1601         0              Normal
  09/06/2026 02 PM PDT            1.93           1593         -              Normal
  09/06/2026 03 PM PDT            1.93           1593         0              Normal
  09/06/2026 04 PM PDT            1.92           1585         -              Normal
  09/06/2026 05 PM PDT            1.91           1577         -              Normal
  09/06/2026 06 PM PDT            1.91           1577         0              Normal
  09/06/2026 07 PM PDT            1.90           1569         -              Normal
  09/06/2026 08 PM PDT            1.90           1569         0              Normal
  09/06/2026 09 PM PDT            1.89           1561         -              Normal
  09/06/2026 10 PM PDT            1.89           1561         0              Normal
  09/06/2026 11 PM PDT            1.88           1553         -              Normal
  09/07/2026 12 AM PDT            1.88           1553         0              Normal
  09/07/2026 01 AM PDT            1.87           1545         -              Normal
  09/07/2026 02 AM PDT            1.86           1537         -              Normal
  09/07/2026 03 AM PDT            1.86           1537         0              Normal
  09/07/2026 04 AM PDT            1.85           1529         -              Normal
  09/07/2026 05 AM PDT            1.85           1529         0              Normal
  09/07/2026 06 AM PDT            1.84           1521         -              Normal
  09/07/2026 07 AM PDT            1.84           1521         0              Normal
  09/07/2026 08 AM PDT            1.83           1513         -              Normal
  09/07/2026 09 AM PDT            1.83           1513         0              Normal
  09/07/2026 10 AM PDT            1.83           1513         0              Normal
  09/07/2026 11 AM PDT            1.82           1505         -              Normal
  09/07/2026 12 PM PDT            1.82           1505         0              Normal
  09/07/2026 01 PM PDT            1.82           1505         0              Normal
  09/07/2026 02 PM PDT            1.81           1497         -              Normal
  09/07/2026 03 PM PDT            1.81           1497         0              Normal
  09/07/2026 04 PM PDT            1.81           1497         0              Normal
  09/07/2026 05 PM PDT            1.81           1497         0              Normal
  09/07/2026 06 PM PDT            1.81           1497         0              Normal
  09/07/2026 07 PM PDT            1.81           1497         0              Normal
  09/07/2026 08 PM PDT            1.81           1497         0              Normal
  09/07/2026 09 PM PDT            1.81           1497         0              Normal
  09/07/2026 10 PM PDT            1.81           1497         0              Normal
  09/07/2026 11 PM PDT            1.81           1497         0              Normal
  09/08/2026 12 AM PDT            1.81           1497         0              Normal
  09/08/2026 01 AM PDT            1.81           1497         0              Normal
  09/08/2026 02 AM PDT            1.81           1497         0              Normal
  09/08/2026 03 AM PDT            1.81           1497         0              Normal
  09/08/2026 04 AM PDT            1.81           1497         0              Normal
  09/08/2026 05 AM PDT            1.81           1497         0              Normal
  09/08/2026 06 AM PDT            1.81           1497         0              Normal
  09/08/2026 07 AM PDT            1.81           1497         0              Normal
  09/08/2026 08 AM PDT            1.81           1497         0              Normal
  09/08/2026 09 AM PDT            1.81           1497         0              Normal
  09/08/2026 10 AM PDT            1.82           1505         +              Normal
  09/08/2026 11 AM PDT            1.82           1505         0              Normal
  09/08/2026 12 PM PDT            1.82           1505         0              Normal
  09/08/2026 01 PM PDT            1.82           1505         0              Normal
  09/08/2026 02 PM PDT            1.82           1505         0              Normal
  09/08/2026 03 PM PDT            1.82           1505         0              Normal
  09/08/2026 04 PM PDT            1.82           1505         0              Normal
  09/08/2026 05 PM PDT            1.82           1505         0              Normal
  09/08/2026 06 PM PDT            1.82           1505         0              Normal
  09/08/2026 07 PM PDT            1.82           1505         0              Normal
  09/08/2026 08 PM PDT            1.82           1505         0              Normal
  09/08/2026 09 PM PDT            1.82           1505         0              Normal
  09/08/2026 10 PM PDT            1.82           1505         0              Normal
  09/08/2026 11 PM PDT            1.82           1505         0              Normal
  09/09/2026 12 AM PDT            1.82           1505         0              Normal
  09/09/2026 01 AM PDT            1.82           1505         0              Normal
  09/09/2026 02 AM PDT            1.81           1497         -              Normal
  09/09/2026 03 AM PDT            1.81           1497         0              Normal
  09/09/2026 04 AM PDT            1.81           1497         0              Normal
  09/09/2026 05 AM PDT            1.81           1497         0              Normal
  09/09/2026 06 AM PDT            1.81           1497         0              Normal
  09/09/2026 07 AM PDT            1.81           1497         0              Normal
  09/09/2026 08 AM PDT            1.81           1497         0              Normal
  09/09/2026 09 AM PDT            1.81           1497         0              Normal
  09/09/2026 10 AM PDT            1.81           1497         0              Normal
  09/09/2026 11 AM PDT            1.81           1497         0              Normal
  09/09/2026 12 PM PDT            1.80           1489         -              Normal
  09/09/2026 01 PM PDT            1.80           1489         0              Normal
  09/09/2026 02 PM PDT            1.80           1489         0              Normal
  09/09/2026 03 PM PDT            1.80           1489         0              Normal
  09/09/2026 04 PM PDT            1.80           1489         0              Normal
  09/09/2026 05 PM PDT            1.80           1489         0              Normal
  09/09/2026 06 PM PDT            1.80           1489         0              Normal
  09/09/2026 07 PM PDT            1.80           1489         0              Normal
  09/09/2026 08 PM PDT            1.80           1489         0              Normal
  09/09/2026 09 PM PDT            1.80           1489         0              Normal
  09/09/2026 10 PM PDT            1.80           1489         0              Normal
  09/09/2026 11 PM PDT            1.80           1489         0              Normal
  09/10/2026 12 AM PDT            1.80           1489         0              Normal
  09/10/2026 01 AM PDT            1.80           1489         0              Normal
  09/10/2026 02 AM PDT            1.80           1489         0              Normal
  09/10/2026 03 AM PDT            1.80           1489         0              Normal
  09/10/2026 04 AM PDT            1.80           1489         0              Normal
  09/10/2026 05 AM PDT            1.80           1489         0              Normal
  09/10/2026 06 AM PDT            1.80           1489         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.