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

 | 

KLAMATH RIVER - SEIAD VALLEY (SEIC1)
Latitude: 41.85º NLongitude: 123.23º WElevation: 1320 Feet
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jan 08 2026 at 1:32 PM PSTNext Issuance: Jan 09 2026 at 9:00 AM PST
Action/Monitor: 13.0 FeetMinor Flood: 15.0 FeetModerate Flood: 20.0 FeetMajor Flood: 28.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Seiad Valley (SEIC1)
#
# File Generation Time:  01/08/2026 at 01:32 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/04/2026 at 07:00 PM PST
# Maximum Observed Stage:                       6.02 Feet
# Maximum Observed Flow:                        5479 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/08/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       4.79 Feet
# Maximum Forecast Flow:                        3751 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/03/2026 01 PM PST            4.91           3903                        Normal
  01/03/2026 02 PM PST            4.97           3981         +              Normal
  01/03/2026 03 PM PST            4.98           3994         +              Normal
  01/03/2026 04 PM PST            5.03           4059         +              Normal
  01/03/2026 05 PM PST            5.11           4165         +              Normal
  01/03/2026 06 PM PST            5.23           4327         +              Normal
  01/03/2026 07 PM PST            5.33           4464         +              Normal
  01/03/2026 08 PM PST            5.45           4633         +              Normal
  01/03/2026 09 PM PST            5.55           4775         +              Normal
  01/03/2026 10 PM PST            5.60           4848         +              Normal
  01/03/2026 11 PM PST            5.67           4950         +              Normal
  01/04/2026 12 AM PST            5.71           5009         +              Normal
  01/04/2026 01 AM PST            5.75           5068         +              Normal
  01/04/2026 02 AM PST            5.79           5128         +              Normal
  01/04/2026 03 AM PST            5.79           5128         0              Normal
  01/04/2026 04 AM PST            5.79           5128         0              Normal
  01/04/2026 05 AM PST            5.81           5158         +              Normal
  01/04/2026 06 AM PST            5.83           5188         +              Normal
  01/04/2026 07 AM PST            5.86           5233         +              Normal
  01/04/2026 08 AM PST            5.90           5294         +              Normal
  01/04/2026 09 AM PST            5.92           5325         +              Normal
  01/04/2026 10 AM PST            5.93           5340         +              Normal
  01/04/2026 11 AM PST            5.95           5371         +              Normal
  01/04/2026 12 PM PST            5.97           5402         +              Normal
  01/04/2026 01 PM PST            5.99           5432         +              Normal
  01/04/2026 02 PM PST            6.00           5448         +              Normal
  01/04/2026 03 PM PST            6.01           5463         +              Normal
  01/04/2026 04 PM PST            6.02           5479         +              Normal
  01/04/2026 05 PM PST            6.02           5479         0              Normal
  01/04/2026 06 PM PST            6.02           5479         0              Normal
  01/04/2026 07 PM PST            6.02           5479         0              Normal
  01/04/2026 08 PM PST            6.00           5448         -              Normal
  01/04/2026 09 PM PST            6.00           5448         0              Normal
  01/04/2026 10 PM PST            6.01           5463         +              Normal
  01/04/2026 11 PM PST            6.00           5448         -              Normal
  01/05/2026 12 AM PST            5.99           5432         -              Normal
  01/05/2026 01 AM PST            5.98           5417         -              Normal
  01/05/2026 02 AM PST            5.98           5417         0              Normal
  01/05/2026 03 AM PST            5.98           5417         0              Normal
  01/05/2026 04 AM PST            5.95           5371         -              Normal
  01/05/2026 05 AM PST            5.93           5340         -              Normal
  01/05/2026 06 AM PST            5.94           5355         +              Normal
  01/05/2026 07 AM PST            5.91           5309         -              Normal
  01/05/2026 08 AM PST            5.90           5294         -              Normal
  01/05/2026 09 AM PST            5.86           5233         -              Normal
  01/05/2026 10 AM PST            5.84           5203         -              Normal
  01/05/2026 11 AM PST            5.83           5188         -              Normal
  01/05/2026 12 PM PST            5.80           5143         -              Normal
  01/05/2026 01 PM PST            5.76           5083         -              Normal
  01/05/2026 02 PM PST            5.72           5024         -              Normal
  01/05/2026 03 PM PST            5.71           5009         -              Normal
  01/05/2026 04 PM PST            5.69           4979         -              Normal
  01/05/2026 05 PM PST            5.66           4935         -              Normal
  01/05/2026 06 PM PST            5.65           4920         -              Normal
  01/05/2026 07 PM PST            5.63           4891         -              Normal
  01/05/2026 08 PM PST            5.60           4848         -              Normal
  01/05/2026 09 PM PST            5.58           4819         -              Normal
  01/05/2026 10 PM PST            5.56           4790         -              Normal
  01/05/2026 11 PM PST            5.53           4747         -              Normal
  01/06/2026 12 AM PST            5.52           4732         -              Normal
  01/06/2026 01 AM PST            5.50           4704         -              Normal
  01/06/2026 02 AM PST            5.49           4689         -              Normal
  01/06/2026 03 AM PST            5.47           4661         -              Normal
  01/06/2026 04 AM PST            5.47           4661         0              Normal
  01/06/2026 05 AM PST            5.44           4618         -              Normal
  01/06/2026 06 AM PST            5.43           4604         -              Normal
  01/06/2026 07 AM PST            5.41           4576         -              Normal
  01/06/2026 08 AM PST            5.40           4562         -              Normal
  01/06/2026 09 AM PST            5.36           4506         -              Normal
  01/06/2026 10 AM PST            5.36           4506         0              Normal
  01/06/2026 11 AM PST            5.33           4464         -              Normal
  01/06/2026 12 PM PST            5.33           4464         0              Normal
  01/06/2026 01 PM PST            5.31           4437         -              Normal
  01/06/2026 02 PM PST            5.32           4451         +              Normal
  01/06/2026 03 PM PST            5.30           4423         -              Normal
  01/06/2026 04 PM PST            5.29           4409         -              Normal
  01/06/2026 05 PM PST            5.27           4382         -              Normal
  01/06/2026 06 PM PST            5.26           4368         -              Normal
  01/06/2026 07 PM PST            5.24           4341         -              Normal
  01/06/2026 08 PM PST            5.24           4341         0              Normal
  01/06/2026 09 PM PST            5.21           4300         -              Normal
  01/06/2026 10 PM PST            5.20           4286         -              Normal
  01/06/2026 11 PM PST            5.18           4259         -              Normal
  01/07/2026 12 AM PST            5.16           4232         -              Normal
  01/07/2026 01 AM PST            5.14           4205         -              Normal
  01/07/2026 02 AM PST            5.15           4219         +              Normal
  01/07/2026 03 AM PST            5.11           4165         -              Normal
  01/07/2026 04 AM PST            5.11           4165         0              Normal
  01/07/2026 05 AM PST            5.11           4165         0              Normal
  01/07/2026 06 AM PST            5.08           4125         -              Normal
  01/07/2026 07 AM PST            5.08           4125         0              Normal
  01/07/2026 08 AM PST            5.06           4099         -              Normal
  01/07/2026 09 AM PST            5.04           4072         -              Normal
  01/07/2026 10 AM PST            5.02           4046         -              Normal
  01/07/2026 11 AM PST            5.02           4046         0              Normal
  01/07/2026 12 PM PST            5.02           4046         0              Normal
  01/07/2026 01 PM PST            5.00           4020         -              Normal
  01/07/2026 02 PM PST            5.01           4033         +              Normal
  01/07/2026 03 PM PST            5.00           4020         -              Normal
  01/07/2026 04 PM PST            5.03           4059         +              Normal
  01/07/2026 05 PM PST            5.02           4046         -              Normal
  01/07/2026 06 PM PST            5.01           4033         -              Normal
  01/07/2026 07 PM PST            5.00           4020         -              Normal
  01/07/2026 08 PM PST            5.00           4020         0              Normal
  01/07/2026 09 PM PST            4.99           4007         -              Normal
  01/07/2026 10 PM PST            4.99           4007         0              Normal
  01/07/2026 11 PM PST            4.98           3994         -              Normal
  01/08/2026 12 AM PST            4.97           3981         -              Normal
  01/08/2026 01 AM PST            4.95           3955         -              Normal
  01/08/2026 02 AM PST            4.93           3929         -              Normal
  01/08/2026 03 AM PST            4.91           3903         -              Normal
  01/08/2026 04 AM PST            4.89           3878         -              Normal
  01/08/2026 05 AM PST            4.88           3865         -              Normal
  01/08/2026 06 AM PST            4.87           3852         -              Normal
  01/08/2026 07 AM PST            4.87           3852         0              Normal
  01/08/2026 08 AM PST            4.84           3814         -              Normal
  01/08/2026 09 AM PST            4.85           3827         +              Normal
  01/08/2026 10 AM PST            4.83           3801         -              Normal
  01/08/2026 11 AM PST            4.83           3801         0              Normal
  01/08/2026 12 PM PST            4.81           3776         -              Normal
  01/08/2026 01 PM PST            4.80           3763         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/08/2026 02 PM PST            4.79           3751                        Normal
  01/08/2026 03 PM PST            4.78           3738         -              Normal
  01/08/2026 04 PM PST            4.77           3726         -              Normal
  01/08/2026 05 PM PST            4.76           3713         -              Normal
  01/08/2026 06 PM PST            4.74           3688         -              Normal
  01/08/2026 07 PM PST            4.73           3676         -              Normal
  01/08/2026 08 PM PST            4.72           3663         -              Normal
  01/08/2026 09 PM PST            4.71           3651         -              Normal
  01/08/2026 10 PM PST            4.70           3639         -              Normal
  01/08/2026 11 PM PST            4.68           3614         -              Normal
  01/09/2026 12 AM PST            4.67           3602         -              Normal
  01/09/2026 01 AM PST            4.66           3589         -              Normal
  01/09/2026 02 AM PST            4.65           3577         -              Normal
  01/09/2026 03 AM PST            4.64           3565         -              Normal
  01/09/2026 04 AM PST            4.63           3553         -              Normal
  01/09/2026 05 AM PST            4.62           3540         -              Normal
  01/09/2026 06 AM PST            4.61           3528         -              Normal
  01/09/2026 07 AM PST            4.61           3528         0              Normal
  01/09/2026 08 AM PST            4.59           3504         -              Normal
  01/09/2026 09 AM PST            4.59           3504         0              Normal
  01/09/2026 10 AM PST            4.58           3492         -              Normal
  01/09/2026 11 AM PST            4.57           3480         -              Normal
  01/09/2026 12 PM PST            4.56           3468         -              Normal
  01/09/2026 01 PM PST            4.55           3456         -              Normal
  01/09/2026 02 PM PST            4.54           3444         -              Normal
  01/09/2026 03 PM PST            4.53           3432         -              Normal
  01/09/2026 04 PM PST            4.53           3432         0              Normal
  01/09/2026 05 PM PST            4.52           3420         -              Normal
  01/09/2026 06 PM PST            4.51           3408         -              Normal
  01/09/2026 07 PM PST            4.50           3396         -              Normal
  01/09/2026 08 PM PST            4.49           3384         -              Normal
  01/09/2026 09 PM PST            4.48           3372         -              Normal
  01/09/2026 10 PM PST            4.48           3372         0              Normal
  01/09/2026 11 PM PST            4.47           3360         -              Normal
  01/10/2026 12 AM PST            4.46           3349         -              Normal
  01/10/2026 01 AM PST            4.46           3349         0              Normal
  01/10/2026 02 AM PST            4.45           3337         -              Normal
  01/10/2026 03 AM PST            4.44           3325         -              Normal
  01/10/2026 04 AM PST            4.44           3325         0              Normal
  01/10/2026 05 AM PST            4.43           3313         -              Normal
  01/10/2026 06 AM PST            4.43           3313         0              Normal
  01/10/2026 07 AM PST            4.42           3302         -              Normal
  01/10/2026 08 AM PST            4.41           3290         -              Normal
  01/10/2026 09 AM PST            4.41           3290         0              Normal
  01/10/2026 10 AM PST            4.40           3278         -              Normal
  01/10/2026 11 AM PST            4.40           3278         0              Normal
  01/10/2026 12 PM PST            4.39           3267         -              Normal
  01/10/2026 01 PM PST            4.39           3267         0              Normal
  01/10/2026 02 PM PST            4.38           3255         -              Normal
  01/10/2026 03 PM PST            4.38           3255         0              Normal
  01/10/2026 04 PM PST            4.37           3243         -              Normal
  01/10/2026 05 PM PST            4.36           3232         -              Normal
  01/10/2026 06 PM PST            4.36           3232         0              Normal
  01/10/2026 07 PM PST            4.35           3220         -              Normal
  01/10/2026 08 PM PST            4.35           3220         0              Normal
  01/10/2026 09 PM PST            4.34           3209         -              Normal
  01/10/2026 10 PM PST            4.34           3209         0              Normal
  01/10/2026 11 PM PST            4.33           3197         -              Normal
  01/11/2026 12 AM PST            4.33           3197         0              Normal
  01/11/2026 01 AM PST            4.33           3197         0              Normal
  01/11/2026 02 AM PST            4.32           3186         -              Normal
  01/11/2026 03 AM PST            4.32           3186         0              Normal
  01/11/2026 04 AM PST            4.31           3174         -              Normal
  01/11/2026 05 AM PST            4.31           3174         0              Normal
  01/11/2026 06 AM PST            4.30           3163         -              Normal
  01/11/2026 07 AM PST            4.30           3163         0              Normal
  01/11/2026 08 AM PST            4.30           3163         0              Normal
  01/11/2026 09 AM PST            4.29           3151         -              Normal
  01/11/2026 10 AM PST            4.29           3151         0              Normal
  01/11/2026 11 AM PST            4.29           3151         0              Normal
  01/11/2026 12 PM PST            4.28           3140         -              Normal
  01/11/2026 01 PM PST            4.28           3140         0              Normal
  01/11/2026 02 PM PST            4.28           3140         0              Normal
  01/11/2026 03 PM PST            4.27           3129         -              Normal
  01/11/2026 04 PM PST            4.27           3129         0              Normal
  01/11/2026 05 PM PST            4.27           3129         0              Normal
  01/11/2026 06 PM PST            4.27           3129         0              Normal
  01/11/2026 07 PM PST            4.26           3117         -              Normal
  01/11/2026 08 PM PST            4.26           3117         0              Normal
  01/11/2026 09 PM PST            4.26           3117         0              Normal
  01/11/2026 10 PM PST            4.26           3117         0              Normal
  01/11/2026 11 PM PST            4.26           3117         0              Normal
  01/12/2026 12 AM PST            4.25           3106         -              Normal
  01/12/2026 01 AM PST            4.25           3106         0              Normal
  01/12/2026 02 AM PST            4.25           3106         0              Normal
  01/12/2026 03 AM PST            4.25           3106         0              Normal
  01/12/2026 04 AM PST            4.26           3117         +              Normal
  01/12/2026 05 AM PST            4.26           3117         0              Normal
  01/12/2026 06 AM PST            4.26           3117         0              Normal
  01/12/2026 07 AM PST            4.26           3117         0              Normal
  01/12/2026 08 AM PST            4.26           3117         0              Normal
  01/12/2026 09 AM PST            4.26           3117         0              Normal
  01/12/2026 10 AM PST            4.26           3117         0              Normal
  01/12/2026 11 AM PST            4.26           3117         0              Normal
  01/12/2026 12 PM PST            4.26           3117         0              Normal
  01/12/2026 01 PM PST            4.26           3117         0              Normal
  01/12/2026 02 PM PST            4.26           3117         0              Normal
  01/12/2026 03 PM PST            4.25           3106         -              Normal
  01/12/2026 04 PM PST            4.25           3106         0              Normal
  01/12/2026 05 PM PST            4.25           3106         0              Normal
  01/12/2026 06 PM PST            4.25           3106         0              Normal
  01/12/2026 07 PM PST            4.25           3106         0              Normal
  01/12/2026 08 PM PST            4.25           3106         0              Normal
  01/12/2026 09 PM PST            4.25           3106         0              Normal
  01/12/2026 10 PM PST            4.25           3106         0              Normal
  01/12/2026 11 PM PST            4.25           3106         0              Normal
  01/13/2026 12 AM PST            4.25           3106         0              Normal
  01/13/2026 01 AM PST            4.25           3106         0              Normal
  01/13/2026 02 AM PST            4.25           3106         0              Normal
  01/13/2026 03 AM PST            4.25           3106         0              Normal
  01/13/2026 04 AM PST            4.25           3106         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.