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KLAMATH RIVER - SEIAD VALLEY (SEIC1)
| Latitude: 41.85º N | Longitude: 123.23º W | Elevation: 1320 Feet | | Forecast Type: Official Location |
| Location: Siskiyou County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Jun 23 2026 at 6:59 AM PDT | Next Issuance: | Jun 24 2026 at 9:00 AM PDT
| |
| Action/Monitor: 13.0 Feet | Minor Flood: 15.0 Feet | Moderate Flood: 20.0 Feet | Major Flood: 28.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Seiad Valley (SEIC1)
#
# File Generation Time: 06/23/2026 at 07:00 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/22/2026 at 10:00 PM PDT
# Maximum Observed Stage: 2.35 Feet
# Maximum Observed Flow: 1361 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/23/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 2.32 Feet
# Maximum Forecast Flow: 1340 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/18/2026 07 AM PDT 1.74 965 Normal
06/18/2026 08 AM PDT 1.72 953 - Normal
06/18/2026 09 AM PDT 1.71 948 - Normal
06/18/2026 10 AM PDT 1.69 936 - Normal
06/18/2026 11 AM PDT 1.68 930 - Normal
06/18/2026 12 PM PDT 1.67 924 - Normal
06/18/2026 01 PM PDT 1.66 919 - Normal
06/18/2026 02 PM PDT 1.65 913 - Normal
06/18/2026 03 PM PDT 1.63 902 - Normal
06/18/2026 04 PM PDT 1.62 896 - Normal
06/18/2026 05 PM PDT 1.60 885 - Normal
06/18/2026 06 PM PDT 1.59 879 - Normal
06/18/2026 07 PM PDT 1.58 874 - Normal
06/18/2026 08 PM PDT 1.56 863 - Normal
06/18/2026 09 PM PDT 1.55 857 - Normal
06/18/2026 10 PM PDT 1.54 852 - Normal
06/18/2026 11 PM PDT 1.53 846 - Normal
06/19/2026 12 AM PDT 1.51 835 - Normal
06/19/2026 01 AM PDT 1.50 830 - Normal
06/19/2026 02 AM PDT 1.49 824 - Normal
06/19/2026 03 AM PDT 1.47 814 - Normal
06/19/2026 04 AM PDT 1.46 808 - Normal
06/19/2026 05 AM PDT 1.45 803 - Normal
06/19/2026 06 AM PDT 1.43 793 - Normal
06/19/2026 07 AM PDT 1.42 787 - Normal
06/19/2026 08 AM PDT 1.42 787 0 Normal
06/19/2026 09 AM PDT 1.42 787 0 Normal
06/19/2026 10 AM PDT 1.42 787 0 Normal
06/19/2026 11 AM PDT 1.42 787 0 Normal
06/19/2026 12 PM PDT 1.42 787 0 Normal
06/19/2026 01 PM PDT 1.42 787 0 Normal
06/19/2026 02 PM PDT 1.42 787 0 Normal
06/19/2026 03 PM PDT 1.42 787 0 Normal
06/19/2026 04 PM PDT 1.42 787 0 Normal
06/19/2026 05 PM PDT 1.42 787 0 Normal
06/19/2026 06 PM PDT 1.42 787 0 Normal
06/19/2026 07 PM PDT 1.42 787 0 Normal
06/19/2026 08 PM PDT 1.42 787 0 Normal
06/19/2026 09 PM PDT 1.42 787 0 Normal
06/19/2026 10 PM PDT 1.42 787 0 Normal
06/19/2026 11 PM PDT 1.42 787 0 Normal
06/20/2026 12 AM PDT 1.42 787 0 Normal
06/20/2026 01 AM PDT 1.42 787 0 Normal
06/20/2026 02 AM PDT 1.42 787 0 Normal
06/20/2026 03 AM PDT 1.42 787 0 Normal
06/20/2026 04 AM PDT 1.42 787 0 Normal
06/20/2026 05 AM PDT 1.42 787 0 Normal
06/20/2026 06 AM PDT 1.42 787 0 Normal
06/20/2026 07 AM PDT 1.42 787 0 Normal
06/20/2026 08 AM PDT 1.41 782 - Normal
06/20/2026 09 AM PDT 1.41 782 0 Normal
06/20/2026 10 AM PDT 1.41 782 0 Normal
06/20/2026 11 AM PDT 1.42 787 + Normal
06/20/2026 12 PM PDT 1.42 787 0 Normal
06/20/2026 01 PM PDT 1.42 787 0 Normal
06/20/2026 02 PM PDT 1.42 787 0 Normal
06/20/2026 03 PM PDT 1.42 787 0 Normal
06/20/2026 04 PM PDT 1.42 787 0 Normal
06/20/2026 05 PM PDT 1.42 787 0 Normal
06/20/2026 06 PM PDT 1.42 787 0 Normal
06/20/2026 07 PM PDT 1.42 787 0 Normal
06/20/2026 08 PM PDT 1.42 787 0 Normal
06/20/2026 09 PM PDT 1.42 787 0 Normal
06/20/2026 10 PM PDT 1.42 787 0 Normal
06/20/2026 11 PM PDT 1.42 787 0 Normal
06/21/2026 12 AM PDT 1.42 787 0 Normal
06/21/2026 01 AM PDT 1.42 787 0 Normal
06/21/2026 02 AM PDT 1.42 787 0 Normal
06/21/2026 03 AM PDT 1.42 787 0 Normal
06/21/2026 04 AM PDT 1.42 787 0 Normal
06/21/2026 05 AM PDT 1.42 787 0 Normal
06/21/2026 06 AM PDT 1.41 782 - Normal
06/21/2026 07 AM PDT 1.41 782 0 Normal
06/21/2026 08 AM PDT 1.41 782 0 Normal
06/21/2026 09 AM PDT 1.41 782 0 Normal
06/21/2026 10 AM PDT 1.41 782 0 Normal
06/21/2026 11 AM PDT 1.41 782 0 Normal
06/21/2026 12 PM PDT 1.42 787 + Normal
06/21/2026 01 PM PDT 1.42 787 0 Normal
06/21/2026 02 PM PDT 1.42 787 0 Normal
06/21/2026 03 PM PDT 1.42 787 0 Normal
06/21/2026 04 PM PDT 1.42 787 0 Normal
06/21/2026 05 PM PDT 1.42 787 0 Normal
06/21/2026 06 PM PDT 1.42 787 0 Normal
06/21/2026 07 PM PDT 1.42 787 0 Normal
06/21/2026 08 PM PDT 1.42 787 0 Normal
06/21/2026 09 PM PDT 1.42 787 0 Normal
06/21/2026 10 PM PDT 1.42 787 0 Normal
06/21/2026 11 PM PDT 1.42 787 0 Normal
06/22/2026 12 AM PDT 1.42 787 0 Normal
06/22/2026 01 AM PDT 1.42 787 0 Normal
06/22/2026 02 AM PDT 1.42 787 0 Normal
06/22/2026 03 AM PDT 1.42 787 0 Normal
06/22/2026 04 AM PDT 1.42 787 0 Normal
06/22/2026 05 AM PDT 1.42 787 0 Normal
06/22/2026 06 AM PDT 1.41 782 - Normal
06/22/2026 07 AM PDT 1.41 782 0 Normal
06/22/2026 08 AM PDT 1.41 782 0 Normal
06/22/2026 09 AM PDT 1.41 782 0 Normal
06/22/2026 10 AM PDT 1.41 782 0 Normal
06/22/2026 11 AM PDT 2.35 1361 + Normal
06/22/2026 12 PM PDT 2.35 1361 0 Normal
06/22/2026 01 PM PDT 2.35 1361 0 Normal
06/22/2026 02 PM PDT 2.35 1361 0 Normal
06/22/2026 03 PM PDT 2.35 1361 0 Normal
06/22/2026 04 PM PDT 2.35 1361 0 Normal
06/22/2026 05 PM PDT 2.35 1361 0 Normal
06/22/2026 06 PM PDT 2.35 1361 0 Normal
06/22/2026 07 PM PDT 2.34 1354 - Normal
06/22/2026 08 PM PDT 2.34 1354 0 Normal
06/22/2026 09 PM PDT 2.35 1361 + Normal
06/22/2026 10 PM PDT 2.35 1361 0 Normal
06/22/2026 11 PM PDT 2.34 1354 - Normal
06/23/2026 12 AM PDT 2.33 1347 - Normal
06/23/2026 01 AM PDT 2.33 1347 0 Normal
06/23/2026 02 AM PDT 2.33 1347 0 Normal
06/23/2026 03 AM PDT 2.33 1347 0 Normal
06/23/2026 04 AM PDT 2.33 1347 0 Normal
06/23/2026 05 AM PDT 2.32 1340 - Normal
06/23/2026 06 AM PDT 2.32 1340 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/23/2026 07 AM PDT 2.32 1340 Normal
06/23/2026 08 AM PDT 2.32 1340 0 Normal
06/23/2026 09 AM PDT 2.32 1340 0 Normal
06/23/2026 10 AM PDT 2.31 1333 - Normal
06/23/2026 11 AM PDT 2.31 1333 0 Normal
06/23/2026 12 PM PDT 2.31 1333 0 Normal
06/23/2026 01 PM PDT 2.31 1333 0 Normal
06/23/2026 02 PM PDT 2.31 1333 0 Normal
06/23/2026 03 PM PDT 2.30 1326 - Normal
06/23/2026 04 PM PDT 2.30 1326 0 Normal
06/23/2026 05 PM PDT 2.30 1326 0 Normal
06/23/2026 06 PM PDT 2.30 1326 0 Normal
06/23/2026 07 PM PDT 2.30 1326 0 Normal
06/23/2026 08 PM PDT 2.30 1326 0 Normal
06/23/2026 09 PM PDT 2.30 1326 0 Normal
06/23/2026 10 PM PDT 2.30 1326 0 Normal
06/23/2026 11 PM PDT 2.30 1326 0 Normal
06/24/2026 12 AM PDT 2.30 1326 0 Normal
06/24/2026 01 AM PDT 2.30 1326 0 Normal
06/24/2026 02 AM PDT 2.30 1326 0 Normal
06/24/2026 03 AM PDT 2.30 1326 0 Normal
06/24/2026 04 AM PDT 2.30 1326 0 Normal
06/24/2026 05 AM PDT 2.30 1326 0 Normal
06/24/2026 06 AM PDT 2.30 1326 0 Normal
06/24/2026 07 AM PDT 2.30 1326 0 Normal
06/24/2026 08 AM PDT 2.30 1326 0 Normal
06/24/2026 09 AM PDT 2.30 1326 0 Normal
06/24/2026 10 AM PDT 2.30 1326 0 Normal
06/24/2026 11 AM PDT 2.30 1326 0 Normal
06/24/2026 12 PM PDT 2.30 1326 0 Normal
06/24/2026 01 PM PDT 2.30 1326 0 Normal
06/24/2026 02 PM PDT 2.30 1326 0 Normal
06/24/2026 03 PM PDT 2.30 1326 0 Normal
06/24/2026 04 PM PDT 2.29 1319 - Normal
06/24/2026 05 PM PDT 2.29 1319 0 Normal
06/24/2026 06 PM PDT 2.29 1319 0 Normal
06/24/2026 07 PM PDT 2.29 1319 0 Normal
06/24/2026 08 PM PDT 2.29 1319 0 Normal
06/24/2026 09 PM PDT 2.29 1319 0 Normal
06/24/2026 10 PM PDT 2.29 1319 0 Normal
06/24/2026 11 PM PDT 2.29 1319 0 Normal
06/25/2026 12 AM PDT 2.29 1319 0 Normal
06/25/2026 01 AM PDT 2.29 1319 0 Normal
06/25/2026 02 AM PDT 2.28 1312 - Normal
06/25/2026 03 AM PDT 2.28 1312 0 Normal
06/25/2026 04 AM PDT 2.28 1312 0 Normal
06/25/2026 05 AM PDT 2.28 1312 0 Normal
06/25/2026 06 AM PDT 2.28 1312 0 Normal
06/25/2026 07 AM PDT 2.28 1312 0 Normal
06/25/2026 08 AM PDT 2.28 1312 0 Normal
06/25/2026 09 AM PDT 2.28 1312 0 Normal
06/25/2026 10 AM PDT 2.28 1312 0 Normal
06/25/2026 11 AM PDT 2.28 1312 0 Normal
06/25/2026 12 PM PDT 2.28 1312 0 Normal
06/25/2026 01 PM PDT 2.28 1312 0 Normal
06/25/2026 02 PM PDT 2.28 1312 0 Normal
06/25/2026 03 PM PDT 2.28 1312 0 Normal
06/25/2026 04 PM PDT 2.28 1312 0 Normal
06/25/2026 05 PM PDT 2.28 1312 0 Normal
06/25/2026 06 PM PDT 2.28 1312 0 Normal
06/25/2026 07 PM PDT 2.28 1312 0 Normal
06/25/2026 08 PM PDT 2.27 1305 - Normal
06/25/2026 09 PM PDT 2.27 1305 0 Normal
06/25/2026 10 PM PDT 2.27 1305 0 Normal
06/25/2026 11 PM PDT 2.27 1305 0 Normal
06/26/2026 12 AM PDT 2.27 1305 0 Normal
06/26/2026 01 AM PDT 2.27 1305 0 Normal
06/26/2026 02 AM PDT 2.27 1305 0 Normal
06/26/2026 03 AM PDT 2.27 1305 0 Normal
06/26/2026 04 AM PDT 2.27 1305 0 Normal
06/26/2026 05 AM PDT 2.27 1305 0 Normal
06/26/2026 06 AM PDT 2.27 1305 0 Normal
06/26/2026 07 AM PDT 2.27 1305 0 Normal
06/26/2026 08 AM PDT 2.27 1305 0 Normal
06/26/2026 09 AM PDT 2.27 1305 0 Normal
06/26/2026 10 AM PDT 2.27 1305 0 Normal
06/26/2026 11 AM PDT 2.27 1305 0 Normal
06/26/2026 12 PM PDT 2.27 1305 0 Normal
06/26/2026 01 PM PDT 2.27 1305 0 Normal
06/26/2026 02 PM PDT 2.27 1305 0 Normal
06/26/2026 03 PM PDT 2.27 1305 0 Normal
06/26/2026 04 PM PDT 2.27 1305 0 Normal
06/26/2026 05 PM PDT 2.27 1305 0 Normal
06/26/2026 06 PM PDT 2.27 1305 0 Normal
06/26/2026 07 PM PDT 2.27 1305 0 Normal
06/26/2026 08 PM PDT 2.27 1305 0 Normal
06/26/2026 09 PM PDT 2.27 1305 0 Normal
06/26/2026 10 PM PDT 2.27 1305 0 Normal
06/26/2026 11 PM PDT 2.27 1305 0 Normal
06/27/2026 12 AM PDT 2.27 1305 0 Normal
06/27/2026 01 AM PDT 2.27 1305 0 Normal
06/27/2026 02 AM PDT 2.27 1305 0 Normal
06/27/2026 03 AM PDT 2.27 1305 0 Normal
06/27/2026 04 AM PDT 2.27 1305 0 Normal
06/27/2026 05 AM PDT 2.27 1305 0 Normal
06/27/2026 06 AM PDT 2.27 1305 0 Normal
06/27/2026 07 AM PDT 2.27 1305 0 Normal
06/27/2026 08 AM PDT 2.27 1305 0 Normal
06/27/2026 09 AM PDT 2.27 1305 0 Normal
06/27/2026 10 AM PDT 2.27 1305 0 Normal
06/27/2026 11 AM PDT 2.27 1305 0 Normal
06/27/2026 12 PM PDT 2.27 1305 0 Normal
06/27/2026 01 PM PDT 2.27 1305 0 Normal
06/27/2026 02 PM PDT 2.27 1305 0 Normal
06/27/2026 03 PM PDT 2.27 1305 0 Normal
06/27/2026 04 PM PDT 2.27 1305 0 Normal
06/27/2026 05 PM PDT 2.27 1305 0 Normal
06/27/2026 06 PM PDT 2.27 1305 0 Normal
06/27/2026 07 PM PDT 2.27 1305 0 Normal
06/27/2026 08 PM PDT 2.27 1305 0 Normal
06/27/2026 09 PM PDT 2.27 1305 0 Normal
06/27/2026 10 PM PDT 2.27 1305 0 Normal
06/27/2026 11 PM PDT 2.27 1305 0 Normal
06/28/2026 12 AM PDT 2.26 1298 - Normal
06/28/2026 01 AM PDT 2.26 1298 0 Normal
06/28/2026 02 AM PDT 2.26 1298 0 Normal
06/28/2026 03 AM PDT 2.26 1298 0 Normal
06/28/2026 04 AM PDT 2.26 1298 0 Normal
06/28/2026 05 AM PDT 2.26 1298 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.
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