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 - IRON GATE (IRGC1)
Latitude: 41.93º NLongitude: 122.44º WElevation: 2162 FeetForecast Type: Unofficial Location
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Mar 20 2026 at 1:18 PM PDTNext Issuance: Mar 21 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Iron Gate (IRGC1)
#
# File Generation Time:  03/20/2026 at 01:22 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/16/2026 at 10:00 PM PDT
# Maximum Observed Stage:                       2.06 Feet
# Maximum Observed Flow:                        1107 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/21/2026 at 06:00 AM PDT
# Maximum Forecast Stage:                       2.01 Feet
# Maximum Forecast Flow:                        1078 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/15/2026 01 PM PDT            2.06           1107                Not Applicable
  03/15/2026 02 PM PDT            2.06           1107         0      Not Applicable
  03/15/2026 03 PM PDT            2.05           1101         -      Not Applicable
  03/15/2026 04 PM PDT            2.05           1101         0      Not Applicable
  03/15/2026 05 PM PDT            2.06           1107         +      Not Applicable
  03/15/2026 06 PM PDT            2.06           1107         0      Not Applicable
  03/15/2026 07 PM PDT            2.06           1107         0      Not Applicable
  03/15/2026 08 PM PDT            2.05           1101         -      Not Applicable
  03/15/2026 09 PM PDT            2.06           1107         +      Not Applicable
  03/15/2026 10 PM PDT            2.05           1101         -      Not Applicable
  03/15/2026 11 PM PDT            2.05           1101         0      Not Applicable
  03/16/2026 12 AM PDT            2.04           1095         -      Not Applicable
  03/16/2026 01 AM PDT            2.05           1101         +      Not Applicable
  03/16/2026 02 AM PDT            2.05           1101         0      Not Applicable
  03/16/2026 03 AM PDT            2.06           1107         +      Not Applicable
  03/16/2026 04 AM PDT            2.05           1101         -      Not Applicable
  03/16/2026 05 AM PDT            2.06           1107         +      Not Applicable
  03/16/2026 06 AM PDT            2.05           1101         -      Not Applicable
  03/16/2026 07 AM PDT            2.05           1101         0      Not Applicable
  03/16/2026 08 AM PDT            2.05           1101         0      Not Applicable
  03/16/2026 09 AM PDT            2.05           1101         0      Not Applicable
  03/16/2026 10 AM PDT            2.05           1101         0      Not Applicable
  03/16/2026 11 AM PDT            2.04           1095         -      Not Applicable
  03/16/2026 12 PM PDT            2.06           1107         +      Not Applicable
  03/16/2026 01 PM PDT            2.05           1101         -      Not Applicable
  03/16/2026 02 PM PDT            2.05           1101         0      Not Applicable
  03/16/2026 03 PM PDT            2.05           1101         0      Not Applicable
  03/16/2026 04 PM PDT            2.05           1101         0      Not Applicable
  03/16/2026 05 PM PDT            2.04           1095         -      Not Applicable
  03/16/2026 06 PM PDT            2.06           1107         +      Not Applicable
  03/16/2026 07 PM PDT            2.06           1107         0      Not Applicable
  03/16/2026 08 PM PDT            2.05           1101         -      Not Applicable
  03/16/2026 09 PM PDT            2.06           1107         +      Not Applicable
  03/16/2026 10 PM PDT            2.06           1107         0      Not Applicable
  03/16/2026 11 PM PDT            2.05           1101         -      Not Applicable
  03/17/2026 12 AM PDT            2.05           1101         0      Not Applicable
  03/17/2026 01 AM PDT            2.04           1095         -      Not Applicable
  03/17/2026 02 AM PDT            2.04           1095         0      Not Applicable
  03/17/2026 03 AM PDT            2.05           1101         +      Not Applicable
  03/17/2026 04 AM PDT            2.04           1095         -      Not Applicable
  03/17/2026 05 AM PDT            2.04           1095         0      Not Applicable
  03/17/2026 06 AM PDT            2.04           1095         0      Not Applicable
  03/17/2026 07 AM PDT            2.05           1101         +      Not Applicable
  03/17/2026 08 AM PDT            2.04           1095         -      Not Applicable
  03/17/2026 09 AM PDT            2.04           1095         0      Not Applicable
  03/17/2026 10 AM PDT            2.04           1095         0      Not Applicable
  03/17/2026 11 AM PDT            2.04           1095         0      Not Applicable
  03/17/2026 12 PM PDT            2.05           1101         +      Not Applicable
  03/17/2026 01 PM PDT            2.05           1101         0      Not Applicable
  03/17/2026 02 PM PDT            2.04           1095         -      Not Applicable
  03/17/2026 03 PM PDT            2.05           1101         +      Not Applicable
  03/17/2026 04 PM PDT            2.04           1095         -      Not Applicable
  03/17/2026 05 PM PDT            2.05           1101         +      Not Applicable
  03/17/2026 06 PM PDT            2.04           1095         -      Not Applicable
  03/17/2026 07 PM PDT            2.05           1101         +      Not Applicable
  03/17/2026 08 PM PDT            2.04           1095         -      Not Applicable
  03/17/2026 09 PM PDT            2.05           1101         +      Not Applicable
  03/17/2026 10 PM PDT            2.05           1101         0      Not Applicable
  03/17/2026 11 PM PDT            2.03           1089         -      Not Applicable
  03/18/2026 12 AM PDT            2.04           1095         +      Not Applicable
  03/18/2026 01 AM PDT            2.04           1095         0      Not Applicable
  03/18/2026 02 AM PDT            2.03           1089         -      Not Applicable
  03/18/2026 03 AM PDT            2.03           1089         0      Not Applicable
  03/18/2026 04 AM PDT            2.03           1089         0      Not Applicable
  03/18/2026 05 AM PDT            2.03           1089         0      Not Applicable
  03/18/2026 06 AM PDT            2.02           1083         -      Not Applicable
  03/18/2026 07 AM PDT            2.03           1089         +      Not Applicable
  03/18/2026 08 AM PDT            2.03           1089         0      Not Applicable
  03/18/2026 09 AM PDT            2.03           1089         0      Not Applicable
  03/18/2026 10 AM PDT            2.02           1083         -      Not Applicable
  03/18/2026 11 AM PDT            2.03           1089         +      Not Applicable
  03/18/2026 12 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 01 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 02 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 03 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 04 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 05 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 06 PM PDT            2.03           1089         0      Not Applicable
  03/18/2026 07 PM PDT            2.04           1095         +      Not Applicable
  03/18/2026 08 PM PDT            2.02           1083         -      Not Applicable
  03/18/2026 09 PM PDT            2.03           1089         +      Not Applicable
  03/18/2026 10 PM PDT            2.02           1083         -      Not Applicable
  03/18/2026 11 PM PDT            2.03           1089         +      Not Applicable
  03/19/2026 12 AM PDT            2.02           1083         -      Not Applicable
  03/19/2026 01 AM PDT            2.02           1083         0      Not Applicable
  03/19/2026 02 AM PDT            2.01           1078         -      Not Applicable
  03/19/2026 03 AM PDT            2.00           1072         -      Not Applicable
  03/19/2026 04 AM PDT            2.01           1078         +      Not Applicable
  03/19/2026 05 AM PDT            2.03           1089         +      Not Applicable
  03/19/2026 06 AM PDT            2.02           1083         -      Not Applicable
  03/19/2026 07 AM PDT            2.01           1078         -      Not Applicable
  03/19/2026 08 AM PDT            2.01           1078         0      Not Applicable
  03/19/2026 09 AM PDT            2.00           1072         -      Not Applicable
  03/19/2026 10 AM PDT            2.01           1078         +      Not Applicable
  03/19/2026 11 AM PDT            2.01           1078         0      Not Applicable
  03/19/2026 12 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 01 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 02 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 03 PM PDT            2.02           1083         +      Not Applicable
  03/19/2026 04 PM PDT            2.01           1078         -      Not Applicable
  03/19/2026 05 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 06 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 07 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 08 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 09 PM PDT            2.01           1078         0      Not Applicable
  03/19/2026 10 PM PDT            2.00           1072         -      Not Applicable
  03/19/2026 11 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 12 AM PDT            2.00           1072         0      Not Applicable
  03/20/2026 01 AM PDT            2.00           1072         0      Not Applicable
  03/20/2026 02 AM PDT            2.01           1078         +      Not Applicable
  03/20/2026 03 AM PDT            2.00           1072         -      Not Applicable
  03/20/2026 04 AM PDT            2.01           1078         +      Not Applicable
  03/20/2026 05 AM PDT            2.01           1078         0      Not Applicable
  03/20/2026 06 AM PDT            2.00           1072         -      Not Applicable
  03/20/2026 07 AM PDT            2.00           1072         0      Not Applicable
  03/20/2026 08 AM PDT            2.01           1078         +      Not Applicable
  03/20/2026 09 AM PDT            2.01           1078         0      Not Applicable
  03/20/2026 10 AM PDT            2.00           1072         -      Not Applicable
  03/20/2026 11 AM PDT            2.00           1072         0      Not Applicable
  03/20/2026 12 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 01 PM PDT            2.00           1072         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/20/2026 02 PM PDT            2.00           1072                Not Applicable
  03/20/2026 03 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 04 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 05 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 06 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 07 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 08 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 09 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 10 PM PDT            2.00           1072         0      Not Applicable
  03/20/2026 11 PM PDT            2.00           1072         0      Not Applicable
  03/21/2026 12 AM PDT            2.00           1072         0      Not Applicable
  03/21/2026 01 AM PDT            2.00           1072         0      Not Applicable
  03/21/2026 02 AM PDT            2.00           1072         0      Not Applicable
  03/21/2026 03 AM PDT            2.00           1072         0      Not Applicable
  03/21/2026 04 AM PDT            2.00           1072         0      Not Applicable
  03/21/2026 05 AM PDT            2.00           1072         0      Not Applicable
  03/21/2026 06 AM PDT            2.01           1078         +      Not Applicable
  03/21/2026 07 AM PDT            2.01           1078         0      Not Applicable
  03/21/2026 08 AM PDT            2.01           1078         0      Not Applicable
  03/21/2026 09 AM PDT            2.01           1078         0      Not Applicable
  03/21/2026 10 AM PDT            2.01           1078         0      Not Applicable
  03/21/2026 11 AM PDT            2.01           1078         0      Not Applicable
  03/21/2026 12 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 01 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 02 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 03 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 04 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 05 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 06 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 07 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 08 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 09 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 10 PM PDT            2.01           1078         0      Not Applicable
  03/21/2026 11 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 12 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 01 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 02 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 03 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 04 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 05 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 06 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 07 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 08 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 09 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 10 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 11 AM PDT            2.01           1078         0      Not Applicable
  03/22/2026 12 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 01 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 02 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 03 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 04 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 05 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 06 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 07 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 08 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 09 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 10 PM PDT            2.01           1078         0      Not Applicable
  03/22/2026 11 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 12 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 01 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 02 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 03 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 04 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 05 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 06 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 07 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 08 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 09 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 10 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 11 AM PDT            2.01           1078         0      Not Applicable
  03/23/2026 12 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 01 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 02 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 03 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 04 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 05 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 06 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 07 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 08 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 09 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 10 PM PDT            2.01           1078         0      Not Applicable
  03/23/2026 11 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 12 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 01 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 02 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 03 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 04 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 05 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 06 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 07 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 08 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 09 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 10 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 11 AM PDT            2.01           1078         0      Not Applicable
  03/24/2026 12 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 01 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 02 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 03 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 04 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 05 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 06 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 07 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 08 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 09 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 10 PM PDT            2.01           1078         0      Not Applicable
  03/24/2026 11 PM PDT            2.01           1078         0      Not Applicable
  03/25/2026 12 AM PDT            2.01           1078         0      Not Applicable
  03/25/2026 01 AM PDT            2.01           1078         0      Not Applicable
  03/25/2026 02 AM PDT            2.01           1078         0      Not Applicable
  03/25/2026 03 AM PDT            2.01           1078         0      Not Applicable
  03/25/2026 04 AM PDT            2.01           1078         0      Not Applicable
  03/25/2026 05 AM PDT            2.01           1078         0      Not Applicable
#
# 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.