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: Mar 31 2026 at 1:42 PM PDTNext Issuance: Apr 01 2026 at 9:00 AM PDT
Action/Monitor: 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:  03/31/2026 at 01:42 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/26/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       5.10 Feet
# Maximum Observed Flow:                        5322 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/02/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       6.30 Feet
# Maximum Forecast Flow:                        7163 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/26/2026 01 PM PDT            5.10           5322                        Normal
  03/26/2026 02 PM PDT            5.08           5292         -              Normal
  03/26/2026 03 PM PDT            5.09           5307         +              Normal
  03/26/2026 04 PM PDT            5.07           5278         -              Normal
  03/26/2026 05 PM PDT            5.06           5263         -              Normal
  03/26/2026 06 PM PDT            5.08           5292         +              Normal
  03/26/2026 07 PM PDT            5.06           5263         -              Normal
  03/26/2026 08 PM PDT            5.06           5263         0              Normal
  03/26/2026 09 PM PDT            5.06           5263         0              Normal
  03/26/2026 10 PM PDT            5.05           5249         -              Normal
  03/26/2026 11 PM PDT            5.05           5249         0              Normal
  03/27/2026 12 AM PDT            5.05           5249         0              Normal
  03/27/2026 01 AM PDT            5.04           5234         -              Normal
  03/27/2026 02 AM PDT            5.05           5249         +              Normal
  03/27/2026 03 AM PDT            5.06           5263         +              Normal
  03/27/2026 04 AM PDT            5.07           5278         +              Normal
  03/27/2026 05 AM PDT            5.03           5220         -              Normal
  03/27/2026 06 AM PDT            5.02           5205         -              Normal
  03/27/2026 07 AM PDT            5.02           5205         0              Normal
  03/27/2026 08 AM PDT            5.03           5220         +              Normal
  03/27/2026 09 AM PDT            5.02           5205         -              Normal
  03/27/2026 10 AM PDT            5.01           5191         -              Normal
  03/27/2026 11 AM PDT            5.03           5220         +              Normal
  03/27/2026 12 PM PDT            5.02           5205         -              Normal
  03/27/2026 01 PM PDT            5.03           5220         +              Normal
  03/27/2026 02 PM PDT            5.01           5191         -              Normal
  03/27/2026 03 PM PDT            5.00           5176         -              Normal
  03/27/2026 04 PM PDT            5.01           5191         +              Normal
  03/27/2026 05 PM PDT            5.01           5191         0              Normal
  03/27/2026 06 PM PDT            5.01           5191         0              Normal
  03/27/2026 07 PM PDT            5.00           5176         -              Normal
  03/27/2026 08 PM PDT            4.99           5162         -              Normal
  03/27/2026 09 PM PDT            5.01           5191         +              Normal
  03/27/2026 10 PM PDT            5.00           5176         -              Normal
  03/27/2026 11 PM PDT            5.00           5176         0              Normal
  03/28/2026 12 AM PDT            4.96           5118         -              Normal
  03/28/2026 01 AM PDT            5.00           5176         +              Normal
  03/28/2026 02 AM PDT            4.98           5147         -              Normal
  03/28/2026 03 AM PDT            4.98           5147         0              Normal
  03/28/2026 04 AM PDT            4.96           5118         -              Normal
  03/28/2026 05 AM PDT            4.96           5118         0              Normal
  03/28/2026 06 AM PDT            4.96           5118         0              Normal
  03/28/2026 07 AM PDT            4.95           5104         -              Normal
  03/28/2026 08 AM PDT            4.96           5118         +              Normal
  03/28/2026 09 AM PDT            4.96           5118         0              Normal
  03/28/2026 10 AM PDT            4.93           5075         -              Normal
  03/28/2026 11 AM PDT            4.93           5075         0              Normal
  03/28/2026 12 PM PDT            4.93           5075         0              Normal
  03/28/2026 01 PM PDT            4.93           5075         0              Normal
  03/28/2026 02 PM PDT            4.94           5090         +              Normal
  03/28/2026 03 PM PDT            4.93           5075         -              Normal
  03/28/2026 04 PM PDT            4.94           5090         +              Normal
  03/28/2026 05 PM PDT            4.94           5090         0              Normal
  03/28/2026 06 PM PDT            4.94           5090         0              Normal
  03/28/2026 07 PM PDT            4.94           5090         0              Normal
  03/28/2026 08 PM PDT            4.93           5075         -              Normal
  03/28/2026 09 PM PDT            4.94           5090         +              Normal
  03/28/2026 10 PM PDT            4.93           5075         -              Normal
  03/28/2026 11 PM PDT            4.92           5061         -              Normal
  03/29/2026 12 AM PDT            4.92           5061         0              Normal
  03/29/2026 01 AM PDT            4.93           5075         +              Normal
  03/29/2026 02 AM PDT            4.90           5032         -              Normal
  03/29/2026 03 AM PDT            4.89           5018         -              Normal
  03/29/2026 04 AM PDT            4.89           5018         0              Normal
  03/29/2026 05 AM PDT            4.89           5018         0              Normal
  03/29/2026 06 AM PDT            4.89           5018         0              Normal
  03/29/2026 07 AM PDT            4.87           4989         -              Normal
  03/29/2026 08 AM PDT            4.88           5004         +              Normal
  03/29/2026 09 AM PDT            4.88           5004         0              Normal
  03/29/2026 10 AM PDT            4.87           4989         -              Normal
  03/29/2026 11 AM PDT            4.86           4975         -              Normal
  03/29/2026 12 PM PDT            4.88           5004         +              Normal
  03/29/2026 01 PM PDT            4.89           5018         +              Normal
  03/29/2026 02 PM PDT            4.86           4975         -              Normal
  03/29/2026 03 PM PDT            4.86           4975         0              Normal
  03/29/2026 04 PM PDT            4.86           4975         0              Normal
  03/29/2026 05 PM PDT            4.86           4975         0              Normal
  03/29/2026 06 PM PDT            4.88           5004         +              Normal
  03/29/2026 07 PM PDT            4.86           4975         -              Normal
  03/29/2026 08 PM PDT            4.88           5004         +              Normal
  03/29/2026 09 PM PDT            4.86           4975         -              Normal
  03/29/2026 10 PM PDT            4.88           5004         +              Normal
  03/29/2026 11 PM PDT            4.86           4975         -              Normal
  03/30/2026 12 AM PDT            4.87           4989         +              Normal
  03/30/2026 01 AM PDT            4.88           5004         +              Normal
  03/30/2026 02 AM PDT            4.86           4975         -              Normal
  03/30/2026 03 AM PDT            4.85           4961         -              Normal
  03/30/2026 04 AM PDT            4.85           4961         0              Normal
  03/30/2026 05 AM PDT            4.86           4975         +              Normal
  03/30/2026 06 AM PDT            4.85           4961         -              Normal
  03/30/2026 07 AM PDT            4.83           4932         -              Normal
  03/30/2026 08 AM PDT            4.84           4946         +              Normal
  03/30/2026 09 AM PDT            4.85           4961         +              Normal
  03/30/2026 10 AM PDT            4.84           4946         -              Normal
  03/30/2026 11 AM PDT            4.85           4961         +              Normal
  03/30/2026 12 PM PDT            4.87           4989         +              Normal
  03/30/2026 01 PM PDT            4.86           4975         -              Normal
  03/30/2026 02 PM PDT            4.85           4961         -              Normal
  03/30/2026 03 PM PDT            4.85           4961         0              Normal
  03/30/2026 04 PM PDT            4.84           4946         -              Normal
  03/30/2026 05 PM PDT            4.87           4989         +              Normal
  03/30/2026 06 PM PDT            4.85           4961         -              Normal
  03/30/2026 07 PM PDT            4.86           4975         +              Normal
  03/30/2026 08 PM PDT            4.86           4975         0              Normal
  03/30/2026 09 PM PDT            4.88           5004         +              Normal
  03/30/2026 10 PM PDT            4.86           4975         -              Normal
  03/30/2026 11 PM PDT            4.85           4961         -              Normal
  03/31/2026 12 AM PDT            4.86           4975         +              Normal
  03/31/2026 01 AM PDT            4.88           5004         +              Normal
  03/31/2026 02 AM PDT            4.87           4989         -              Normal
  03/31/2026 03 AM PDT            4.85           4961         -              Normal
  03/31/2026 04 AM PDT            4.86           4975         +              Normal
  03/31/2026 05 AM PDT            4.85           4961         -              Normal
  03/31/2026 06 AM PDT            4.86           4975         +              Normal
  03/31/2026 07 AM PDT            4.85           4961         -              Normal
  03/31/2026 08 AM PDT            4.86           4975         +              Normal
  03/31/2026 09 AM PDT            4.85           4961         -              Normal
  03/31/2026 10 AM PDT            4.84           4946         -              Normal
  03/31/2026 11 AM PDT            4.84           4946         0              Normal
  03/31/2026 12 PM PDT            4.84           4946         0              Normal
  03/31/2026 01 PM PDT            4.84           4946         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/31/2026 02 PM PDT            4.83           4932                        Normal
  03/31/2026 03 PM PDT            4.83           4932         0              Normal
  03/31/2026 04 PM PDT            4.82           4918         -              Normal
  03/31/2026 05 PM PDT            4.82           4918         0              Normal
  03/31/2026 06 PM PDT            4.81           4904         -              Normal
  03/31/2026 07 PM PDT            4.81           4904         0              Normal
  03/31/2026 08 PM PDT            4.80           4889         -              Normal
  03/31/2026 09 PM PDT            4.80           4889         0              Normal
  03/31/2026 10 PM PDT            4.80           4889         0              Normal
  03/31/2026 11 PM PDT            4.79           4875         -              Normal
  04/01/2026 12 AM PDT            4.79           4875         0              Normal
  04/01/2026 01 AM PDT            4.78           4861         -              Normal
  04/01/2026 02 AM PDT            4.78           4861         0              Normal
  04/01/2026 03 AM PDT            4.77           4847         -              Normal
  04/01/2026 04 AM PDT            4.77           4847         0              Normal
  04/01/2026 05 AM PDT            4.76           4833         -              Normal
  04/01/2026 06 AM PDT            4.76           4833         0              Normal
  04/01/2026 07 AM PDT            4.76           4833         0              Normal
  04/01/2026 08 AM PDT            4.76           4833         0              Normal
  04/01/2026 09 AM PDT            4.77           4847         +              Normal
  04/01/2026 10 AM PDT            4.77           4847         0              Normal
  04/01/2026 11 AM PDT            4.78           4861         +              Normal
  04/01/2026 12 PM PDT            4.79           4875         +              Normal
  04/01/2026 01 PM PDT            4.80           4889         +              Normal
  04/01/2026 02 PM PDT            4.82           4918         +              Normal
  04/01/2026 03 PM PDT            4.84           4946         +              Normal
  04/01/2026 04 PM PDT            4.90           5032         +              Normal
  04/01/2026 05 PM PDT            4.99           5162         +              Normal
  04/01/2026 06 PM PDT            5.11           5336         +              Normal
  04/01/2026 07 PM PDT            5.25           5542         +              Normal
  04/01/2026 08 PM PDT            5.41           5781         +              Normal
  04/01/2026 09 PM PDT            5.57           6022         +              Normal
  04/01/2026 10 PM PDT            5.72           6251         +              Normal
  04/01/2026 11 PM PDT            5.86           6468         +              Normal
  04/02/2026 12 AM PDT            5.98           6655         +              Normal
  04/02/2026 01 AM PDT            6.09           6829         +              Normal
  04/02/2026 02 AM PDT            6.18           6971         +              Normal
  04/02/2026 03 AM PDT            6.25           7083         +              Normal
  04/02/2026 04 AM PDT            6.29           7147         +              Normal
  04/02/2026 05 AM PDT            6.30           7163         +              Normal
  04/02/2026 06 AM PDT            6.29           7147         -              Normal
  04/02/2026 07 AM PDT            6.25           7083         -              Normal
  04/02/2026 08 AM PDT            6.19           6987         -              Normal
  04/02/2026 09 AM PDT            6.13           6892         -              Normal
  04/02/2026 10 AM PDT            6.07           6797         -              Normal
  04/02/2026 11 AM PDT            6.01           6702         -              Normal
  04/02/2026 12 PM PDT            5.96           6624         -              Normal
  04/02/2026 01 PM PDT            5.91           6546         -              Normal
  04/02/2026 02 PM PDT            5.86           6468         -              Normal
  04/02/2026 03 PM PDT            5.83           6421         -              Normal
  04/02/2026 04 PM PDT            5.81           6390         -              Normal
  04/02/2026 05 PM PDT            5.80           6375         -              Normal
  04/02/2026 06 PM PDT            5.81           6390         +              Normal
  04/02/2026 07 PM PDT            5.83           6421         +              Normal
  04/02/2026 08 PM PDT            5.85           6452         +              Normal
  04/02/2026 09 PM PDT            5.88           6499         +              Normal
  04/02/2026 10 PM PDT            5.89           6515         +              Normal
  04/02/2026 11 PM PDT            5.88           6499         -              Normal
  04/03/2026 12 AM PDT            5.87           6483         -              Normal
  04/03/2026 01 AM PDT            5.84           6437         -              Normal
  04/03/2026 02 AM PDT            5.80           6375         -              Normal
  04/03/2026 03 AM PDT            5.76           6313         -              Normal
  04/03/2026 04 AM PDT            5.72           6251         -              Normal
  04/03/2026 05 AM PDT            5.68           6190         -              Normal
  04/03/2026 06 AM PDT            5.64           6129         -              Normal
  04/03/2026 07 AM PDT            5.61           6083         -              Normal
  04/03/2026 08 AM PDT            5.57           6022         -              Normal
  04/03/2026 09 AM PDT            5.54           5977         -              Normal
  04/03/2026 10 AM PDT            5.50           5916         -              Normal
  04/03/2026 11 AM PDT            5.47           5871         -              Normal
  04/03/2026 12 PM PDT            5.44           5826         -              Normal
  04/03/2026 01 PM PDT            5.41           5781         -              Normal
  04/03/2026 02 PM PDT            5.39           5751         -              Normal
  04/03/2026 03 PM PDT            5.37           5721         -              Normal
  04/03/2026 04 PM PDT            5.35           5691         -              Normal
  04/03/2026 05 PM PDT            5.34           5676         -              Normal
  04/03/2026 06 PM PDT            5.33           5661         -              Normal
  04/03/2026 07 PM PDT            5.33           5661         0              Normal
  04/03/2026 08 PM PDT            5.34           5676         +              Normal
  04/03/2026 09 PM PDT            5.34           5676         0              Normal
  04/03/2026 10 PM PDT            5.34           5676         0              Normal
  04/03/2026 11 PM PDT            5.35           5691         +              Normal
  04/04/2026 12 AM PDT            5.35           5691         0              Normal
  04/04/2026 01 AM PDT            5.36           5706         +              Normal
  04/04/2026 02 AM PDT            5.36           5706         0              Normal
  04/04/2026 03 AM PDT            5.36           5706         0              Normal
  04/04/2026 04 AM PDT            5.36           5706         0              Normal
  04/04/2026 05 AM PDT            5.37           5721         +              Normal
  04/04/2026 06 AM PDT            5.36           5706         -              Normal
  04/04/2026 07 AM PDT            5.36           5706         0              Normal
  04/04/2026 08 AM PDT            5.36           5706         0              Normal
  04/04/2026 09 AM PDT            5.35           5691         -              Normal
  04/04/2026 10 AM PDT            5.35           5691         0              Normal
  04/04/2026 11 AM PDT            5.34           5676         -              Normal
  04/04/2026 12 PM PDT            5.34           5676         0              Normal
  04/04/2026 01 PM PDT            5.33           5661         -              Normal
  04/04/2026 02 PM PDT            5.33           5661         0              Normal
  04/04/2026 03 PM PDT            5.32           5646         -              Normal
  04/04/2026 04 PM PDT            5.32           5646         0              Normal
  04/04/2026 05 PM PDT            5.33           5661         +              Normal
  04/04/2026 06 PM PDT            5.35           5691         +              Normal
  04/04/2026 07 PM PDT            5.37           5721         +              Normal
  04/04/2026 08 PM PDT            5.39           5751         +              Normal
  04/04/2026 09 PM PDT            5.42           5796         +              Normal
  04/04/2026 10 PM PDT            5.44           5826         +              Normal
  04/04/2026 11 PM PDT            5.47           5871         +              Normal
  04/05/2026 12 AM PDT            5.50           5916         +              Normal
  04/05/2026 01 AM PDT            5.53           5961         +              Normal
  04/05/2026 02 AM PDT            5.56           6007         +              Normal
  04/05/2026 03 AM PDT            5.58           6037         +              Normal
  04/05/2026 04 AM PDT            5.61           6083         +              Normal
  04/05/2026 05 AM PDT            5.63           6113         +              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.