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 06 2026 at 7:21 AM PDTNext Issuance: Jun 07 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:  06/06/2026 at 07:21 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/01/2026 at 03:00 PM PDT
# Maximum Observed Stage:                       2.85 Feet
# Maximum Observed Flow:                        1744 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/06/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.61 Feet
# Maximum Forecast Flow:                        1554 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/01/2026 07 AM PDT            2.85           1744                        Normal
  06/01/2026 08 AM PDT            2.84           1736         -              Normal
  06/01/2026 09 AM PDT            2.85           1744         +              Normal
  06/01/2026 10 AM PDT            2.84           1736         -              Normal
  06/01/2026 11 AM PDT            2.84           1736         0              Normal
  06/01/2026 12 PM PDT            2.84           1736         0              Normal
  06/01/2026 01 PM PDT            2.84           1736         0              Normal
  06/01/2026 02 PM PDT            2.84           1736         0              Normal
  06/01/2026 03 PM PDT            2.85           1744         +              Normal
  06/01/2026 04 PM PDT            2.84           1736         -              Normal
  06/01/2026 05 PM PDT            2.84           1736         0              Normal
  06/01/2026 06 PM PDT            2.84           1736         0              Normal
  06/01/2026 07 PM PDT            2.84           1736         0              Normal
  06/01/2026 08 PM PDT            2.83           1727         -              Normal
  06/01/2026 09 PM PDT            2.83           1727         0              Normal
  06/01/2026 10 PM PDT            2.83           1727         0              Normal
  06/01/2026 11 PM PDT            2.83           1727         0              Normal
  06/02/2026 12 AM PDT            2.82           1719         -              Normal
  06/02/2026 01 AM PDT            2.82           1719         0              Normal
  06/02/2026 02 AM PDT            2.81           1711         -              Normal
  06/02/2026 03 AM PDT            2.81           1711         0              Normal
  06/02/2026 04 AM PDT            2.80           1703         -              Normal
  06/02/2026 05 AM PDT            2.81           1711         +              Normal
  06/02/2026 06 AM PDT            2.79           1695         -              Normal
  06/02/2026 07 AM PDT            2.80           1703         +              Normal
  06/02/2026 08 AM PDT            2.80           1703         0              Normal
  06/02/2026 09 AM PDT            2.79           1695         -              Normal
  06/02/2026 10 AM PDT            2.79           1695         0              Normal
  06/02/2026 11 AM PDT            2.79           1695         0              Normal
  06/02/2026 12 PM PDT            2.78           1687         -              Normal
  06/02/2026 01 PM PDT            2.79           1695         +              Normal
  06/02/2026 02 PM PDT            2.78           1687         -              Normal
  06/02/2026 03 PM PDT            2.78           1687         0              Normal
  06/02/2026 04 PM PDT            2.78           1687         0              Normal
  06/02/2026 05 PM PDT            2.78           1687         0              Normal
  06/02/2026 06 PM PDT            2.77           1679         -              Normal
  06/02/2026 07 PM PDT            2.77           1679         0              Normal
  06/02/2026 08 PM PDT            2.77           1679         0              Normal
  06/02/2026 09 PM PDT            2.77           1679         0              Normal
  06/02/2026 10 PM PDT            2.75           1663         -              Normal
  06/02/2026 11 PM PDT            2.75           1663         0              Normal
  06/03/2026 12 AM PDT            2.75           1663         0              Normal
  06/03/2026 01 AM PDT            2.75           1663         0              Normal
  06/03/2026 02 AM PDT            2.75           1663         0              Normal
  06/03/2026 03 AM PDT            2.74           1655         -              Normal
  06/03/2026 04 AM PDT            2.74           1655         0              Normal
  06/03/2026 05 AM PDT            2.74           1655         0              Normal
  06/03/2026 06 AM PDT            2.73           1647         -              Normal
  06/03/2026 07 AM PDT            2.74           1655         +              Normal
  06/03/2026 08 AM PDT            2.74           1655         0              Normal
  06/03/2026 09 AM PDT            2.73           1647         -              Normal
  06/03/2026 10 AM PDT            2.73           1647         0              Normal
  06/03/2026 11 AM PDT            2.73           1647         0              Normal
  06/03/2026 12 PM PDT            2.74           1655         +              Normal
  06/03/2026 01 PM PDT            2.72           1639         -              Normal
  06/03/2026 02 PM PDT            2.73           1647         +              Normal
  06/03/2026 03 PM PDT            2.73           1647         0              Normal
  06/03/2026 04 PM PDT            2.72           1639         -              Normal
  06/03/2026 05 PM PDT            2.72           1639         0              Normal
  06/03/2026 06 PM PDT            2.72           1639         0              Normal
  06/03/2026 07 PM PDT            2.71           1631         -              Normal
  06/03/2026 08 PM PDT            2.71           1631         0              Normal
  06/03/2026 09 PM PDT            2.71           1631         0              Normal
  06/03/2026 10 PM PDT            2.71           1631         0              Normal
  06/03/2026 11 PM PDT            2.71           1631         0              Normal
  06/04/2026 12 AM PDT            2.70           1623         -              Normal
  06/04/2026 01 AM PDT            2.70           1623         0              Normal
  06/04/2026 02 AM PDT            2.70           1623         0              Normal
  06/04/2026 03 AM PDT            2.70           1623         0              Normal
  06/04/2026 04 AM PDT            2.70           1623         0              Normal
  06/04/2026 05 AM PDT            2.69           1616         -              Normal
  06/04/2026 06 AM PDT            2.70           1623         +              Normal
  06/04/2026 07 AM PDT            2.68           1608         -              Normal
  06/04/2026 08 AM PDT            2.68           1608         0              Normal
  06/04/2026 09 AM PDT            2.68           1608         0              Normal
  06/04/2026 10 AM PDT            2.68           1608         0              Normal
  06/04/2026 11 AM PDT            2.68           1608         0              Normal
  06/04/2026 12 PM PDT            2.69           1616         +              Normal
  06/04/2026 01 PM PDT            2.68           1608         -              Normal
  06/04/2026 02 PM PDT            2.68           1608         0              Normal
  06/04/2026 03 PM PDT            2.66           1592         -              Normal
  06/04/2026 04 PM PDT            2.64           1577         -              Normal
  06/04/2026 05 PM PDT            2.63           1569         -              Normal
  06/04/2026 06 PM PDT            2.62           1561         -              Normal
  06/04/2026 07 PM PDT            2.61           1554         -              Normal
  06/04/2026 08 PM PDT            2.61           1554         0              Normal
  06/04/2026 09 PM PDT            2.61           1554         0              Normal
  06/04/2026 10 PM PDT            2.62           1561         +              Normal
  06/04/2026 11 PM PDT            2.62           1561         0              Normal
  06/05/2026 12 AM PDT            2.62           1561         0              Normal
  06/05/2026 01 AM PDT            2.62           1561         0              Normal
  06/05/2026 02 AM PDT            2.61           1554         -              Normal
  06/05/2026 03 AM PDT            2.61           1554         0              Normal
  06/05/2026 04 AM PDT            2.61           1554         0              Normal
  06/05/2026 05 AM PDT            2.61           1554         0              Normal
  06/05/2026 06 AM PDT            2.61           1554         0              Normal
  06/05/2026 07 AM PDT            2.60           1546         -              Normal
  06/05/2026 08 AM PDT            2.61           1554         +              Normal
  06/05/2026 09 AM PDT            2.61           1554         0              Normal
  06/05/2026 10 AM PDT            2.61           1554         0              Normal
  06/05/2026 11 AM PDT            2.61           1554         0              Normal
  06/05/2026 12 PM PDT            2.62           1561         +              Normal
  06/05/2026 01 PM PDT            2.61           1554         -              Normal
  06/05/2026 02 PM PDT            2.61           1554         0              Normal
  06/05/2026 03 PM PDT            2.61           1554         0              Normal
  06/05/2026 04 PM PDT            2.61           1554         0              Normal
  06/05/2026 05 PM PDT            2.61           1554         0              Normal
  06/05/2026 06 PM PDT            2.61           1554         0              Normal
  06/05/2026 07 PM PDT            2.61           1554         0              Normal
  06/05/2026 08 PM PDT            2.61           1554         0              Normal
  06/05/2026 09 PM PDT            2.62           1561         +              Normal
  06/05/2026 10 PM PDT            2.62           1561         0              Normal
  06/05/2026 11 PM PDT            2.62           1561         0              Normal
  06/06/2026 12 AM PDT            2.62           1561         0              Normal
  06/06/2026 01 AM PDT            2.62           1561         0              Normal
  06/06/2026 02 AM PDT            2.62           1561         0              Normal
  06/06/2026 03 AM PDT            2.61           1554         -              Normal
  06/06/2026 04 AM PDT            2.61           1554         0              Normal
  06/06/2026 05 AM PDT            2.61           1554         0              Normal
  06/06/2026 06 AM PDT            2.61           1554         0              Normal
  06/06/2026 07 AM PDT            2.61           1554         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/06/2026 08 AM PDT            2.61           1554                        Normal
  06/06/2026 09 AM PDT            2.61           1554         0              Normal
  06/06/2026 10 AM PDT            2.61           1554         0              Normal
  06/06/2026 11 AM PDT            2.61           1554         0              Normal
  06/06/2026 12 PM PDT            2.61           1554         0              Normal
  06/06/2026 01 PM PDT            2.61           1554         0              Normal
  06/06/2026 02 PM PDT            2.61           1554         0              Normal
  06/06/2026 03 PM PDT            2.61           1554         0              Normal
  06/06/2026 04 PM PDT            2.60           1546         -              Normal
  06/06/2026 05 PM PDT            2.60           1546         0              Normal
  06/06/2026 06 PM PDT            2.60           1546         0              Normal
  06/06/2026 07 PM PDT            2.60           1546         0              Normal
  06/06/2026 08 PM PDT            2.60           1546         0              Normal
  06/06/2026 09 PM PDT            2.60           1546         0              Normal
  06/06/2026 10 PM PDT            2.60           1546         0              Normal
  06/06/2026 11 PM PDT            2.59           1538         -              Normal
  06/07/2026 12 AM PDT            2.59           1538         0              Normal
  06/07/2026 01 AM PDT            2.59           1538         0              Normal
  06/07/2026 02 AM PDT            2.59           1538         0              Normal
  06/07/2026 03 AM PDT            2.58           1531         -              Normal
  06/07/2026 04 AM PDT            2.58           1531         0              Normal
  06/07/2026 05 AM PDT            2.58           1531         0              Normal
  06/07/2026 06 AM PDT            2.58           1531         0              Normal
  06/07/2026 07 AM PDT            2.58           1531         0              Normal
  06/07/2026 08 AM PDT            2.58           1531         0              Normal
  06/07/2026 09 AM PDT            2.58           1531         0              Normal
  06/07/2026 10 AM PDT            2.58           1531         0              Normal
  06/07/2026 11 AM PDT            2.58           1531         0              Normal
  06/07/2026 12 PM PDT            2.58           1531         0              Normal
  06/07/2026 01 PM PDT            2.58           1531         0              Normal
  06/07/2026 02 PM PDT            2.58           1531         0              Normal
  06/07/2026 03 PM PDT            2.57           1523         -              Normal
  06/07/2026 04 PM PDT            2.57           1523         0              Normal
  06/07/2026 05 PM PDT            2.57           1523         0              Normal
  06/07/2026 06 PM PDT            2.57           1523         0              Normal
  06/07/2026 07 PM PDT            2.57           1523         0              Normal
  06/07/2026 08 PM PDT            2.57           1523         0              Normal
  06/07/2026 09 PM PDT            2.56           1515         -              Normal
  06/07/2026 10 PM PDT            2.56           1515         0              Normal
  06/07/2026 11 PM PDT            2.56           1515         0              Normal
  06/08/2026 12 AM PDT            2.56           1515         0              Normal
  06/08/2026 01 AM PDT            2.55           1508         -              Normal
  06/08/2026 02 AM PDT            2.55           1508         0              Normal
  06/08/2026 03 AM PDT            2.55           1508         0              Normal
  06/08/2026 04 AM PDT            2.54           1500         -              Normal
  06/08/2026 05 AM PDT            2.54           1500         0              Normal
  06/08/2026 06 AM PDT            2.54           1500         0              Normal
  06/08/2026 07 AM PDT            2.54           1500         0              Normal
  06/08/2026 08 AM PDT            2.54           1500         0              Normal
  06/08/2026 09 AM PDT            2.53           1493         -              Normal
  06/08/2026 10 AM PDT            2.53           1493         0              Normal
  06/08/2026 11 AM PDT            2.53           1493         0              Normal
  06/08/2026 12 PM PDT            2.53           1493         0              Normal
  06/08/2026 01 PM PDT            2.53           1493         0              Normal
  06/08/2026 02 PM PDT            2.53           1493         0              Normal
  06/08/2026 03 PM PDT            2.53           1493         0              Normal
  06/08/2026 04 PM PDT            2.53           1493         0              Normal
  06/08/2026 05 PM PDT            2.53           1493         0              Normal
  06/08/2026 06 PM PDT            2.53           1493         0              Normal
  06/08/2026 07 PM PDT            2.53           1493         0              Normal
  06/08/2026 08 PM PDT            2.53           1493         0              Normal
  06/08/2026 09 PM PDT            2.53           1493         0              Normal
  06/08/2026 10 PM PDT            2.53           1493         0              Normal
  06/08/2026 11 PM PDT            2.53           1493         0              Normal
  06/09/2026 12 AM PDT            2.53           1493         0              Normal
  06/09/2026 01 AM PDT            2.53           1493         0              Normal
  06/09/2026 02 AM PDT            2.53           1493         0              Normal
  06/09/2026 03 AM PDT            2.53           1493         0              Normal
  06/09/2026 04 AM PDT            2.53           1493         0              Normal
  06/09/2026 05 AM PDT            2.54           1500         +              Normal
  06/09/2026 06 AM PDT            2.54           1500         0              Normal
  06/09/2026 07 AM PDT            2.54           1500         0              Normal
  06/09/2026 08 AM PDT            2.55           1508         +              Normal
  06/09/2026 09 AM PDT            2.55           1508         0              Normal
  06/09/2026 10 AM PDT            2.56           1515         +              Normal
  06/09/2026 11 AM PDT            2.56           1515         0              Normal
  06/09/2026 12 PM PDT            2.57           1523         +              Normal
  06/09/2026 01 PM PDT            2.57           1523         0              Normal
  06/09/2026 02 PM PDT            2.58           1531         +              Normal
  06/09/2026 03 PM PDT            2.58           1531         0              Normal
  06/09/2026 04 PM PDT            2.59           1538         +              Normal
  06/09/2026 05 PM PDT            2.59           1538         0              Normal
  06/09/2026 06 PM PDT            2.59           1538         0              Normal
  06/09/2026 07 PM PDT            2.59           1538         0              Normal
  06/09/2026 08 PM PDT            2.60           1546         +              Normal
  06/09/2026 09 PM PDT            2.60           1546         0              Normal
  06/09/2026 10 PM PDT            2.60           1546         0              Normal
  06/09/2026 11 PM PDT            2.59           1538         -              Normal
  06/10/2026 12 AM PDT            2.59           1538         0              Normal
  06/10/2026 01 AM PDT            2.59           1538         0              Normal
  06/10/2026 02 AM PDT            2.58           1531         -              Normal
  06/10/2026 03 AM PDT            2.58           1531         0              Normal
  06/10/2026 04 AM PDT            2.57           1523         -              Normal
  06/10/2026 05 AM PDT            2.57           1523         0              Normal
  06/10/2026 06 AM PDT            2.56           1515         -              Normal
  06/10/2026 07 AM PDT            2.56           1515         0              Normal
  06/10/2026 08 AM PDT            2.56           1515         0              Normal
  06/10/2026 09 AM PDT            2.55           1508         -              Normal
  06/10/2026 10 AM PDT            2.55           1508         0              Normal
  06/10/2026 11 AM PDT            2.54           1500         -              Normal
  06/10/2026 12 PM PDT            2.54           1500         0              Normal
  06/10/2026 01 PM PDT            2.53           1493         -              Normal
  06/10/2026 02 PM PDT            2.53           1493         0              Normal
  06/10/2026 03 PM PDT            2.52           1485         -              Normal
  06/10/2026 04 PM PDT            2.52           1485         0              Normal
  06/10/2026 05 PM PDT            2.51           1478         -              Normal
  06/10/2026 06 PM PDT            2.51           1478         0              Normal
  06/10/2026 07 PM PDT            2.50           1470         -              Normal
  06/10/2026 08 PM PDT            2.50           1470         0              Normal
  06/10/2026 09 PM PDT            2.49           1463         -              Normal
  06/10/2026 10 PM PDT            2.48           1456         -              Normal
  06/10/2026 11 PM PDT            2.48           1456         0              Normal
  06/11/2026 12 AM PDT            2.47           1448         -              Normal
  06/11/2026 01 AM PDT            2.47           1448         0              Normal
  06/11/2026 02 AM PDT            2.46           1441         -              Normal
  06/11/2026 03 AM PDT            2.46           1441         0              Normal
  06/11/2026 04 AM PDT            2.45           1433         -              Normal
  06/11/2026 05 AM PDT            2.44           1426         -              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.