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 - SEIAD VALLEY (SEIC1)
Latitude: 41.85º NLongitude: 123.23º WElevation: 1320 FeetForecast Type: Official Location
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 24 2026 at 6:57 AM PDTNext Issuance: Jun 25 2026 at 9:00 AM PDT
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:  06/24/2026 at 06:57 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/20/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       2.39 Feet
# Maximum Observed Flow:                        1390 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/24/2026 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
# ---------------------------------------------------------------------------------
  06/19/2026 06 AM PDT            2.38           1383                        Normal
  06/19/2026 07 AM PDT            2.38           1383         0              Normal
  06/19/2026 08 AM PDT            2.38           1383         0              Normal
  06/19/2026 09 AM PDT            2.38           1383         0              Normal
  06/19/2026 10 AM PDT            2.38           1383         0              Normal
  06/19/2026 11 AM PDT            2.37           1376         -              Normal
  06/19/2026 12 PM PDT            2.37           1376         0              Normal
  06/19/2026 01 PM PDT            2.37           1376         0              Normal
  06/19/2026 02 PM PDT            2.37           1376         0              Normal
  06/19/2026 03 PM PDT            2.36           1368         -              Normal
  06/19/2026 04 PM PDT            2.36           1368         0              Normal
  06/19/2026 05 PM PDT            2.36           1368         0              Normal
  06/19/2026 06 PM PDT            2.36           1368         0              Normal
  06/19/2026 07 PM PDT            2.37           1376         +              Normal
  06/19/2026 08 PM PDT            2.37           1376         0              Normal
  06/19/2026 09 PM PDT            2.37           1376         0              Normal
  06/19/2026 10 PM PDT            2.37           1376         0              Normal
  06/19/2026 11 PM PDT            2.37           1376         0              Normal
  06/20/2026 12 AM PDT            2.37           1376         0              Normal
  06/20/2026 01 AM PDT            2.37           1376         0              Normal
  06/20/2026 02 AM PDT            2.38           1383         +              Normal
  06/20/2026 03 AM PDT            2.38           1383         0              Normal
  06/20/2026 04 AM PDT            2.38           1383         0              Normal
  06/20/2026 05 AM PDT            2.38           1383         0              Normal
  06/20/2026 06 AM PDT            2.38           1383         0              Normal
  06/20/2026 07 AM PDT            2.38           1383         0              Normal
  06/20/2026 08 AM PDT            2.38           1383         0              Normal
  06/20/2026 09 AM PDT            2.38           1383         0              Normal
  06/20/2026 10 AM PDT            2.38           1383         0              Normal
  06/20/2026 11 AM PDT            2.38           1383         0              Normal
  06/20/2026 12 PM PDT            2.38           1383         0              Normal
  06/20/2026 01 PM PDT            2.39           1390         +              Normal
  06/20/2026 02 PM PDT            2.39           1390         0              Normal
  06/20/2026 03 PM PDT            2.39           1390         0              Normal
  06/20/2026 04 PM PDT            2.39           1390         0              Normal
  06/20/2026 05 PM PDT            2.38           1383         -              Normal
  06/20/2026 06 PM PDT            2.38           1383         0              Normal
  06/20/2026 07 PM PDT            2.38           1383         0              Normal
  06/20/2026 08 PM PDT            2.38           1383         0              Normal
  06/20/2026 09 PM PDT            2.38           1383         0              Normal
  06/20/2026 10 PM PDT            2.38           1383         0              Normal
  06/20/2026 11 PM PDT            2.38           1383         0              Normal
  06/21/2026 12 AM PDT            2.38           1383         0              Normal
  06/21/2026 01 AM PDT            2.38           1383         0              Normal
  06/21/2026 02 AM PDT            2.38           1383         0              Normal
  06/21/2026 03 AM PDT            2.38           1383         0              Normal
  06/21/2026 04 AM PDT            2.38           1383         0              Normal
  06/21/2026 05 AM PDT            2.38           1383         0              Normal
  06/21/2026 06 AM PDT            2.38           1383         0              Normal
  06/21/2026 07 AM PDT            2.37           1376         -              Normal
  06/21/2026 08 AM PDT            2.37           1376         0              Normal
  06/21/2026 09 AM PDT            2.37           1376         0              Normal
  06/21/2026 10 AM PDT            2.37           1376         0              Normal
  06/21/2026 11 AM PDT            2.37           1376         0              Normal
  06/21/2026 12 PM PDT            2.37           1376         0              Normal
  06/21/2026 01 PM PDT            2.36           1368         -              Normal
  06/21/2026 02 PM PDT            2.36           1368         0              Normal
  06/21/2026 03 PM PDT            2.35           1361         -              Normal
  06/21/2026 04 PM PDT            2.35           1361         0              Normal
  06/21/2026 05 PM PDT            2.34           1354         -              Normal
  06/21/2026 06 PM PDT            2.34           1354         0              Normal
  06/21/2026 07 PM PDT            2.34           1354         0              Normal
  06/21/2026 08 PM PDT            2.34           1354         0              Normal
  06/21/2026 09 PM PDT            2.34           1354         0              Normal
  06/21/2026 10 PM PDT            2.34           1354         0              Normal
  06/21/2026 11 PM PDT            2.35           1361         +              Normal
  06/22/2026 12 AM PDT            2.35           1361         0              Normal
  06/22/2026 01 AM PDT            2.35           1361         0              Normal
  06/22/2026 02 AM PDT            2.35           1361         0              Normal
  06/22/2026 03 AM PDT            2.35           1361         0              Normal
  06/22/2026 04 AM PDT            2.35           1361         0              Normal
  06/22/2026 05 AM PDT            2.35           1361         0              Normal
  06/22/2026 06 AM PDT            2.35           1361         0              Normal
  06/22/2026 07 AM PDT            2.35           1361         0              Normal
  06/22/2026 08 AM PDT            2.35           1361         0              Normal
  06/22/2026 09 AM PDT            2.35           1361         0              Normal
  06/22/2026 10 AM PDT            2.35           1361         0              Normal
  06/22/2026 11 AM PDT            2.35           1361         0              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
  06/23/2026 07 AM PDT            2.32           1340         0              Normal
  06/23/2026 08 AM PDT            2.31           1333         -              Normal
  06/23/2026 09 AM PDT            2.31           1333         0              Normal
  06/23/2026 10 AM PDT            2.32           1340         +              Normal
  06/23/2026 11 AM PDT            2.32           1340         0              Normal
  06/23/2026 12 PM PDT            2.32           1340         0              Normal
  06/23/2026 01 PM PDT            2.32           1340         0              Normal
  06/23/2026 02 PM PDT            2.32           1340         0              Normal
  06/23/2026 03 PM PDT            2.31           1333         -              Normal
  06/23/2026 04 PM PDT            2.32           1340         +              Normal
  06/23/2026 05 PM PDT            2.32           1340         0              Normal
  06/23/2026 06 PM PDT            2.31           1333         -              Normal
  06/23/2026 07 PM PDT            2.32           1340         +              Normal
  06/23/2026 08 PM PDT            2.32           1340         0              Normal
  06/23/2026 09 PM PDT            2.32           1340         0              Normal
  06/23/2026 10 PM PDT            2.32           1340         0              Normal
  06/23/2026 11 PM PDT            2.32           1340         0              Normal
  06/24/2026 12 AM PDT            2.32           1340         0              Normal
  06/24/2026 01 AM PDT            2.32           1340         0              Normal
  06/24/2026 02 AM PDT            2.32           1340         0              Normal
  06/24/2026 03 AM PDT            2.32           1340         0              Normal
  06/24/2026 04 AM PDT            2.33           1347         +              Normal
  06/24/2026 05 AM PDT            2.32           1340         -              Normal
  06/24/2026 06 AM PDT            2.32           1340         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/24/2026 07 AM PDT            2.32           1340                        Normal
  06/24/2026 08 AM PDT            2.32           1340         0              Normal
  06/24/2026 09 AM PDT            2.31           1333         -              Normal
  06/24/2026 10 AM PDT            2.31           1333         0              Normal
  06/24/2026 11 AM PDT            2.31           1333         0              Normal
  06/24/2026 12 PM PDT            2.31           1333         0              Normal
  06/24/2026 01 PM PDT            2.30           1326         -              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            2.30           1326         0              Normal
  06/24/2026 05 PM PDT            2.30           1326         0              Normal
  06/24/2026 06 PM PDT            2.30           1326         0              Normal
  06/24/2026 07 PM PDT            2.29           1319         -              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            2.29           1319         0              Normal
  06/25/2026 03 AM PDT            2.29           1319         0              Normal
  06/25/2026 04 AM PDT            2.29           1319         0              Normal
  06/25/2026 05 AM PDT            2.29           1319         0              Normal
  06/25/2026 06 AM PDT            2.29           1319         0              Normal
  06/25/2026 07 AM PDT            2.29           1319         0              Normal
  06/25/2026 08 AM PDT            2.29           1319         0              Normal
  06/25/2026 09 AM PDT            2.29           1319         0              Normal
  06/25/2026 10 AM PDT            2.29           1319         0              Normal
  06/25/2026 11 AM PDT            2.29           1319         0              Normal
  06/25/2026 12 PM PDT            2.29           1319         0              Normal
  06/25/2026 01 PM PDT            2.28           1312         -              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            2.28           1312         0              Normal
  06/25/2026 09 PM PDT            2.28           1312         0              Normal
  06/25/2026 10 PM PDT            2.28           1312         0              Normal
  06/25/2026 11 PM PDT            2.28           1312         0              Normal
  06/26/2026 12 AM PDT            2.28           1312         0              Normal
  06/26/2026 01 AM PDT            2.28           1312         0              Normal
  06/26/2026 02 AM PDT            2.28           1312         0              Normal
  06/26/2026 03 AM PDT            2.28           1312         0              Normal
  06/26/2026 04 AM PDT            2.28           1312         0              Normal
  06/26/2026 05 AM PDT            2.28           1312         0              Normal
  06/26/2026 06 AM PDT            2.28           1312         0              Normal
  06/26/2026 07 AM PDT            2.28           1312         0              Normal
  06/26/2026 08 AM PDT            2.28           1312         0              Normal
  06/26/2026 09 AM PDT            2.28           1312         0              Normal
  06/26/2026 10 AM PDT            2.28           1312         0              Normal
  06/26/2026 11 AM PDT            2.28           1312         0              Normal
  06/26/2026 12 PM PDT            2.28           1312         0              Normal
  06/26/2026 01 PM PDT            2.28           1312         0              Normal
  06/26/2026 02 PM PDT            2.28           1312         0              Normal
  06/26/2026 03 PM PDT            2.27           1305         -              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            2.28           1312         +              Normal
  06/27/2026 03 AM PDT            2.28           1312         0              Normal
  06/27/2026 04 AM PDT            2.27           1305         -              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            2.27           1305         0              Normal
  06/28/2026 01 AM PDT            2.26           1298         -              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
  06/28/2026 06 AM PDT            2.26           1298         0              Normal
  06/28/2026 07 AM PDT            2.26           1298         0              Normal
  06/28/2026 08 AM PDT            2.26           1298         0              Normal
  06/28/2026 09 AM PDT            2.26           1298         0              Normal
  06/28/2026 10 AM PDT            2.26           1298         0              Normal
  06/28/2026 11 AM PDT            2.26           1298         0              Normal
  06/28/2026 12 PM PDT            2.26           1298         0              Normal
  06/28/2026 01 PM PDT            2.26           1298         0              Normal
  06/28/2026 02 PM PDT            2.26           1298         0              Normal
  06/28/2026 03 PM PDT            2.26           1298         0              Normal
  06/28/2026 04 PM PDT            2.26           1298         0              Normal
  06/28/2026 05 PM PDT            2.26           1298         0              Normal
  06/28/2026 06 PM PDT            2.26           1298         0              Normal
  06/28/2026 07 PM PDT            2.26           1298         0              Normal
  06/28/2026 08 PM PDT            2.26           1298         0              Normal
  06/28/2026 09 PM PDT            2.26           1298         0              Normal
  06/28/2026 10 PM PDT            2.26           1298         0              Normal
  06/28/2026 11 PM PDT            2.25           1291         -              Normal
  06/29/2026 12 AM PDT            2.25           1291         0              Normal
  06/29/2026 01 AM PDT            2.25           1291         0              Normal
  06/29/2026 02 AM PDT            2.25           1291         0              Normal
  06/29/2026 03 AM PDT            2.25           1291         0              Normal
  06/29/2026 04 AM PDT            2.25           1291         0              Normal
  06/29/2026 05 AM PDT            2.25           1291         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.