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: Apr 24 2026 at 7:10 AM PDTNext Issuance: Apr 25 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:  04/24/2026 at 07:10 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/22/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       5.52 Feet
# Maximum Observed Flow:                        5946 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/24/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       5.25 Feet
# Maximum Forecast Flow:                        5542 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/19/2026 07 AM PDT            5.23           5513                        Normal
  04/19/2026 08 AM PDT            5.18           5439         -              Normal
  04/19/2026 09 AM PDT            5.19           5454         +              Normal
  04/19/2026 10 AM PDT            5.19           5454         0              Normal
  04/19/2026 11 AM PDT            5.20           5468         +              Normal
  04/19/2026 12 PM PDT            5.20           5468         0              Normal
  04/19/2026 01 PM PDT            5.19           5454         -              Normal
  04/19/2026 02 PM PDT            5.21           5483         +              Normal
  04/19/2026 03 PM PDT            5.18           5439         -              Normal
  04/19/2026 04 PM PDT            5.18           5439         0              Normal
  04/19/2026 05 PM PDT            5.17           5424         -              Normal
  04/19/2026 06 PM PDT            5.17           5424         0              Normal
  04/19/2026 07 PM PDT            5.20           5468         +              Normal
  04/19/2026 08 PM PDT            5.15           5395         -              Normal
  04/19/2026 09 PM PDT            5.17           5424         +              Normal
  04/19/2026 10 PM PDT            5.17           5424         0              Normal
  04/19/2026 11 PM PDT            5.14           5380         -              Normal
  04/20/2026 12 AM PDT            5.14           5380         0              Normal
  04/20/2026 01 AM PDT            5.15           5395         +              Normal
  04/20/2026 02 AM PDT            5.11           5336         -              Normal
  04/20/2026 03 AM PDT            5.11           5336         0              Normal
  04/20/2026 04 AM PDT            5.12           5351         +              Normal
  04/20/2026 05 AM PDT            5.10           5322         -              Normal
  04/20/2026 06 AM PDT            5.11           5336         +              Normal
  04/20/2026 07 AM PDT            5.11           5336         0              Normal
  04/20/2026 08 AM PDT            5.10           5322         -              Normal
  04/20/2026 09 AM PDT            5.12           5351         +              Normal
  04/20/2026 10 AM PDT            5.11           5336         -              Normal
  04/20/2026 11 AM PDT            5.11           5336         0              Normal
  04/20/2026 12 PM PDT            5.13           5366         +              Normal
  04/20/2026 01 PM PDT            5.13           5366         0              Normal
  04/20/2026 02 PM PDT            5.14           5380         +              Normal
  04/20/2026 03 PM PDT            5.14           5380         0              Normal
  04/20/2026 04 PM PDT            5.15           5395         +              Normal
  04/20/2026 05 PM PDT            5.14           5380         -              Normal
  04/20/2026 06 PM PDT            5.15           5395         +              Normal
  04/20/2026 07 PM PDT            5.16           5410         +              Normal
  04/20/2026 08 PM PDT            5.29           5601         +              Normal
  04/20/2026 09 PM PDT            5.30           5616         +              Normal
  04/20/2026 10 PM PDT            5.30           5616         0              Normal
  04/20/2026 11 PM PDT            5.28           5587         -              Normal
  04/21/2026 12 AM PDT            5.30           5616         +              Normal
  04/21/2026 01 AM PDT            5.31           5631         +              Normal
  04/21/2026 02 AM PDT            5.33           5661         +              Normal
  04/21/2026 03 AM PDT            5.31           5631         -              Normal
  04/21/2026 04 AM PDT            5.31           5631         0              Normal
  04/21/2026 05 AM PDT            5.34           5676         +              Normal
  04/21/2026 06 AM PDT            5.34           5676         0              Normal
  04/21/2026 07 AM PDT            5.35           5691         +              Normal
  04/21/2026 08 AM PDT            5.37           5721         +              Normal
  04/21/2026 09 AM PDT            5.39           5751         +              Normal
  04/21/2026 10 AM PDT            5.40           5766         +              Normal
  04/21/2026 11 AM PDT            5.40           5766         0              Normal
  04/21/2026 12 PM PDT            5.40           5766         0              Normal
  04/21/2026 01 PM PDT            5.41           5781         +              Normal
  04/21/2026 02 PM PDT            5.42           5796         +              Normal
  04/21/2026 03 PM PDT            5.40           5766         -              Normal
  04/21/2026 04 PM PDT            5.39           5751         -              Normal
  04/21/2026 05 PM PDT            5.41           5781         +              Normal
  04/21/2026 06 PM PDT            5.41           5781         0              Normal
  04/21/2026 07 PM PDT            5.40           5766         -              Normal
  04/21/2026 08 PM PDT            5.41           5781         +              Normal
  04/21/2026 09 PM PDT            5.43           5811         +              Normal
  04/21/2026 10 PM PDT            5.44           5826         +              Normal
  04/21/2026 11 PM PDT            5.41           5781         -              Normal
  04/22/2026 12 AM PDT            5.45           5841         +              Normal
  04/22/2026 01 AM PDT            5.46           5856         +              Normal
  04/22/2026 02 AM PDT            5.47           5871         +              Normal
  04/22/2026 03 AM PDT            5.49           5901         +              Normal
  04/22/2026 04 AM PDT            5.50           5916         +              Normal
  04/22/2026 05 AM PDT            5.50           5916         0              Normal
  04/22/2026 06 AM PDT            5.50           5916         0              Normal
  04/22/2026 07 AM PDT            5.50           5916         0              Normal
  04/22/2026 08 AM PDT            5.52           5946         +              Normal
  04/22/2026 09 AM PDT            5.51           5931         -              Normal
  04/22/2026 10 AM PDT            5.50           5916         -              Normal
  04/22/2026 11 AM PDT            5.49           5901         -              Normal
  04/22/2026 12 PM PDT            5.49           5901         0              Normal
  04/22/2026 01 PM PDT            5.50           5916         +              Normal
  04/22/2026 02 PM PDT            5.47           5871         -              Normal
  04/22/2026 03 PM PDT            5.48           5886         +              Normal
  04/22/2026 04 PM PDT            5.47           5871         -              Normal
  04/22/2026 05 PM PDT            5.46           5856         -              Normal
  04/22/2026 06 PM PDT            5.46           5856         0              Normal
  04/22/2026 07 PM PDT            5.43           5811         -              Normal
  04/22/2026 08 PM PDT            5.44           5826         +              Normal
  04/22/2026 09 PM PDT            5.42           5796         -              Normal
  04/22/2026 10 PM PDT            5.44           5826         +              Normal
  04/22/2026 11 PM PDT            5.41           5781         -              Normal
  04/23/2026 12 AM PDT            5.42           5796         +              Normal
  04/23/2026 01 AM PDT            5.41           5781         -              Normal
  04/23/2026 02 AM PDT            5.42           5796         +              Normal
  04/23/2026 03 AM PDT            5.41           5781         -              Normal
  04/23/2026 04 AM PDT            5.43           5811         +              Normal
  04/23/2026 05 AM PDT            5.41           5781         -              Normal
  04/23/2026 06 AM PDT            5.42           5796         +              Normal
  04/23/2026 07 AM PDT            5.42           5796         0              Normal
  04/23/2026 08 AM PDT            5.42           5796         0              Normal
  04/23/2026 09 AM PDT            5.42           5796         0              Normal
  04/23/2026 10 AM PDT            5.42           5796         0              Normal
  04/23/2026 11 AM PDT            5.43           5811         +              Normal
  04/23/2026 12 PM PDT            5.41           5781         -              Normal
  04/23/2026 01 PM PDT            5.43           5811         +              Normal
  04/23/2026 02 PM PDT            5.40           5766         -              Normal
  04/23/2026 03 PM PDT            5.39           5751         -              Normal
  04/23/2026 04 PM PDT            5.40           5766         +              Normal
  04/23/2026 05 PM PDT            5.36           5706         -              Normal
  04/23/2026 06 PM PDT            5.39           5751         +              Normal
  04/23/2026 07 PM PDT            5.35           5691         -              Normal
  04/23/2026 08 PM PDT            5.36           5706         +              Normal
  04/23/2026 09 PM PDT            5.36           5706         0              Normal
  04/23/2026 10 PM PDT            5.34           5676         -              Normal
  04/23/2026 11 PM PDT            5.35           5691         +              Normal
  04/24/2026 12 AM PDT            5.33           5661         -              Normal
  04/24/2026 01 AM PDT            5.34           5676         +              Normal
  04/24/2026 02 AM PDT            5.33           5661         -              Normal
  04/24/2026 03 AM PDT            5.31           5631         -              Normal
  04/24/2026 04 AM PDT            5.30           5616         -              Normal
  04/24/2026 05 AM PDT            5.28           5587         -              Normal
  04/24/2026 06 AM PDT            5.28           5587         0              Normal
  04/24/2026 07 AM PDT            5.26           5557         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/24/2026 08 AM PDT            5.25           5542                        Normal
  04/24/2026 09 AM PDT            5.23           5513         -              Normal
  04/24/2026 10 AM PDT            5.22           5498         -              Normal
  04/24/2026 11 AM PDT            5.20           5468         -              Normal
  04/24/2026 12 PM PDT            5.19           5454         -              Normal
  04/24/2026 01 PM PDT            5.17           5424         -              Normal
  04/24/2026 02 PM PDT            5.16           5410         -              Normal
  04/24/2026 03 PM PDT            5.14           5380         -              Normal
  04/24/2026 04 PM PDT            5.13           5366         -              Normal
  04/24/2026 05 PM PDT            5.12           5351         -              Normal
  04/24/2026 06 PM PDT            5.11           5336         -              Normal
  04/24/2026 07 PM PDT            5.09           5307         -              Normal
  04/24/2026 08 PM PDT            5.08           5292         -              Normal
  04/24/2026 09 PM PDT            5.07           5278         -              Normal
  04/24/2026 10 PM PDT            5.05           5249         -              Normal
  04/24/2026 11 PM PDT            5.04           5234         -              Normal
  04/25/2026 12 AM PDT            5.03           5220         -              Normal
  04/25/2026 01 AM PDT            5.01           5191         -              Normal
  04/25/2026 02 AM PDT            5.00           5176         -              Normal
  04/25/2026 03 AM PDT            4.99           5162         -              Normal
  04/25/2026 04 AM PDT            4.97           5133         -              Normal
  04/25/2026 05 AM PDT            4.96           5118         -              Normal
  04/25/2026 06 AM PDT            4.95           5104         -              Normal
  04/25/2026 07 AM PDT            4.94           5090         -              Normal
  04/25/2026 08 AM PDT            4.93           5075         -              Normal
  04/25/2026 09 AM PDT            4.92           5061         -              Normal
  04/25/2026 10 AM PDT            4.91           5047         -              Normal
  04/25/2026 11 AM PDT            4.90           5032         -              Normal
  04/25/2026 12 PM PDT            4.89           5018         -              Normal
  04/25/2026 01 PM PDT            4.88           5004         -              Normal
  04/25/2026 02 PM PDT            4.88           5004         0              Normal
  04/25/2026 03 PM PDT            4.87           4989         -              Normal
  04/25/2026 04 PM PDT            4.86           4975         -              Normal
  04/25/2026 05 PM PDT            4.86           4975         0              Normal
  04/25/2026 06 PM PDT            4.85           4961         -              Normal
  04/25/2026 07 PM PDT            4.84           4946         -              Normal
  04/25/2026 08 PM PDT            4.84           4946         0              Normal
  04/25/2026 09 PM PDT            4.83           4932         -              Normal
  04/25/2026 10 PM PDT            4.83           4932         0              Normal
  04/25/2026 11 PM PDT            4.82           4918         -              Normal
  04/26/2026 12 AM PDT            4.82           4918         0              Normal
  04/26/2026 01 AM PDT            4.81           4904         -              Normal
  04/26/2026 02 AM PDT            4.81           4904         0              Normal
  04/26/2026 03 AM PDT            4.80           4889         -              Normal
  04/26/2026 04 AM PDT            4.80           4889         0              Normal
  04/26/2026 05 AM PDT            4.79           4875         -              Normal
  04/26/2026 06 AM PDT            4.79           4875         0              Normal
  04/26/2026 07 AM PDT            4.78           4861         -              Normal
  04/26/2026 08 AM PDT            4.78           4861         0              Normal
  04/26/2026 09 AM PDT            4.77           4847         -              Normal
  04/26/2026 10 AM PDT            4.76           4833         -              Normal
  04/26/2026 11 AM PDT            4.75           4819         -              Normal
  04/26/2026 12 PM PDT            4.75           4819         0              Normal
  04/26/2026 01 PM PDT            4.74           4804         -              Normal
  04/26/2026 02 PM PDT            4.73           4790         -              Normal
  04/26/2026 03 PM PDT            4.73           4790         0              Normal
  04/26/2026 04 PM PDT            4.72           4776         -              Normal
  04/26/2026 05 PM PDT            4.71           4762         -              Normal
  04/26/2026 06 PM PDT            4.71           4762         0              Normal
  04/26/2026 07 PM PDT            4.70           4748         -              Normal
  04/26/2026 08 PM PDT            4.69           4734         -              Normal
  04/26/2026 09 PM PDT            4.69           4734         0              Normal
  04/26/2026 10 PM PDT            4.68           4720         -              Normal
  04/26/2026 11 PM PDT            4.67           4706         -              Normal
  04/27/2026 12 AM PDT            4.67           4706         0              Normal
  04/27/2026 01 AM PDT            4.66           4692         -              Normal
  04/27/2026 02 AM PDT            4.66           4692         0              Normal
  04/27/2026 03 AM PDT            4.65           4678         -              Normal
  04/27/2026 04 AM PDT            4.64           4664         -              Normal
  04/27/2026 05 AM PDT            4.64           4664         0              Normal
  04/27/2026 06 AM PDT            4.63           4650         -              Normal
  04/27/2026 07 AM PDT            4.62           4636         -              Normal
  04/27/2026 08 AM PDT            4.62           4636         0              Normal
  04/27/2026 09 AM PDT            4.61           4622         -              Normal
  04/27/2026 10 AM PDT            4.60           4608         -              Normal
  04/27/2026 11 AM PDT            4.60           4608         0              Normal
  04/27/2026 12 PM PDT            4.59           4594         -              Normal
  04/27/2026 01 PM PDT            4.58           4580         -              Normal
  04/27/2026 02 PM PDT            4.58           4580         0              Normal
  04/27/2026 03 PM PDT            4.57           4566         -              Normal
  04/27/2026 04 PM PDT            4.57           4566         0              Normal
  04/27/2026 05 PM PDT            4.56           4552         -              Normal
  04/27/2026 06 PM PDT            4.56           4552         0              Normal
  04/27/2026 07 PM PDT            4.55           4538         -              Normal
  04/27/2026 08 PM PDT            4.55           4538         0              Normal
  04/27/2026 09 PM PDT            4.54           4524         -              Normal
  04/27/2026 10 PM PDT            4.54           4524         0              Normal
  04/27/2026 11 PM PDT            4.53           4511         -              Normal
  04/28/2026 12 AM PDT            4.53           4511         0              Normal
  04/28/2026 01 AM PDT            4.53           4511         0              Normal
  04/28/2026 02 AM PDT            4.52           4497         -              Normal
  04/28/2026 03 AM PDT            4.52           4497         0              Normal
  04/28/2026 04 AM PDT            4.51           4483         -              Normal
  04/28/2026 05 AM PDT            4.51           4483         0              Normal
  04/28/2026 06 AM PDT            4.50           4469         -              Normal
  04/28/2026 07 AM PDT            4.50           4469         0              Normal
  04/28/2026 08 AM PDT            4.50           4469         0              Normal
  04/28/2026 09 AM PDT            4.49           4455         -              Normal
  04/28/2026 10 AM PDT            4.49           4455         0              Normal
  04/28/2026 11 AM PDT            4.49           4455         0              Normal
  04/28/2026 12 PM PDT            4.48           4442         -              Normal
  04/28/2026 01 PM PDT            4.48           4442         0              Normal
  04/28/2026 02 PM PDT            4.47           4428         -              Normal
  04/28/2026 03 PM PDT            4.47           4428         0              Normal
  04/28/2026 04 PM PDT            4.46           4414         -              Normal
  04/28/2026 05 PM PDT            4.46           4414         0              Normal
  04/28/2026 06 PM PDT            4.45           4400         -              Normal
  04/28/2026 07 PM PDT            4.45           4400         0              Normal
  04/28/2026 08 PM PDT            4.45           4400         0              Normal
  04/28/2026 09 PM PDT            4.44           4387         -              Normal
  04/28/2026 10 PM PDT            4.44           4387         0              Normal
  04/28/2026 11 PM PDT            4.43           4373         -              Normal
  04/29/2026 12 AM PDT            4.43           4373         0              Normal
  04/29/2026 01 AM PDT            4.42           4359         -              Normal
  04/29/2026 02 AM PDT            4.42           4359         0              Normal
  04/29/2026 03 AM PDT            4.42           4359         0              Normal
  04/29/2026 04 AM PDT            4.41           4345         -              Normal
  04/29/2026 05 AM PDT            4.41           4345         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.