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: Jun 10 2026 at 7:23 AM PDTNext Issuance: Jun 11 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:  06/10/2026 at 07:25 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/08/2026 at 08:00 PM PDT
# Maximum Observed Stage:                       2.20 Feet
# Maximum Observed Flow:                        1164 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/10/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.11 Feet
# Maximum Forecast Flow:                        1107 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/05/2026 07 AM PDT            2.17           1145                Not Applicable
  06/05/2026 08 AM PDT            2.18           1151         +      Not Applicable
  06/05/2026 09 AM PDT            2.16           1138         -      Not Applicable
  06/05/2026 10 AM PDT            2.18           1151         +      Not Applicable
  06/05/2026 11 AM PDT            2.17           1145         -      Not Applicable
  06/05/2026 12 PM PDT            2.17           1145         0      Not Applicable
  06/05/2026 01 PM PDT            2.17           1145         0      Not Applicable
  06/05/2026 02 PM PDT            2.16           1138         -      Not Applicable
  06/05/2026 03 PM PDT            2.17           1145         +      Not Applicable
  06/05/2026 04 PM PDT            2.16           1138         -      Not Applicable
  06/05/2026 05 PM PDT            2.17           1145         +      Not Applicable
  06/05/2026 06 PM PDT            2.18           1151         +      Not Applicable
  06/05/2026 07 PM PDT            2.18           1151         0      Not Applicable
  06/05/2026 08 PM PDT            2.18           1151         0      Not Applicable
  06/05/2026 09 PM PDT            2.18           1151         0      Not Applicable
  06/05/2026 10 PM PDT            2.18           1151         0      Not Applicable
  06/05/2026 11 PM PDT            2.17           1145         -      Not Applicable
  06/06/2026 12 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 01 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 02 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 03 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 04 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 05 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 06 AM PDT            2.16           1138         -      Not Applicable
  06/06/2026 07 AM PDT            2.17           1145         +      Not Applicable
  06/06/2026 08 AM PDT            2.16           1138         -      Not Applicable
  06/06/2026 09 AM PDT            2.17           1145         +      Not Applicable
  06/06/2026 10 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 11 AM PDT            2.17           1145         0      Not Applicable
  06/06/2026 12 PM PDT            2.16           1138         -      Not Applicable
  06/06/2026 01 PM PDT            2.17           1145         +      Not Applicable
  06/06/2026 02 PM PDT            2.19           1158         +      Not Applicable
  06/06/2026 03 PM PDT            2.19           1158         0      Not Applicable
  06/06/2026 04 PM PDT            2.18           1151         -      Not Applicable
  06/06/2026 05 PM PDT            2.17           1145         -      Not Applicable
  06/06/2026 06 PM PDT            2.17           1145         0      Not Applicable
  06/06/2026 07 PM PDT            2.16           1138         -      Not Applicable
  06/06/2026 08 PM PDT            2.16           1138         0      Not Applicable
  06/06/2026 09 PM PDT            2.15           1132         -      Not Applicable
  06/06/2026 10 PM PDT            2.16           1138         +      Not Applicable
  06/06/2026 11 PM PDT            2.17           1145         +      Not Applicable
  06/07/2026 12 AM PDT            2.17           1145         0      Not Applicable
  06/07/2026 01 AM PDT            2.18           1151         +      Not Applicable
  06/07/2026 02 AM PDT            2.16           1138         -      Not Applicable
  06/07/2026 03 AM PDT            2.15           1132         -      Not Applicable
  06/07/2026 04 AM PDT            2.15           1132         0      Not Applicable
  06/07/2026 05 AM PDT            2.15           1132         0      Not Applicable
  06/07/2026 06 AM PDT            2.16           1138         +      Not Applicable
  06/07/2026 07 AM PDT            2.16           1138         0      Not Applicable
  06/07/2026 08 AM PDT            2.17           1145         +      Not Applicable
  06/07/2026 09 AM PDT            2.17           1145         0      Not Applicable
  06/07/2026 10 AM PDT            2.18           1151         +      Not Applicable
  06/07/2026 11 AM PDT            2.19           1158         +      Not Applicable
  06/07/2026 12 PM PDT            2.19           1158         0      Not Applicable
  06/07/2026 01 PM PDT            2.19           1158         0      Not Applicable
  06/07/2026 02 PM PDT            2.18           1151         -      Not Applicable
  06/07/2026 03 PM PDT            2.16           1138         -      Not Applicable
  06/07/2026 04 PM PDT            2.17           1145         +      Not Applicable
  06/07/2026 05 PM PDT            2.18           1151         +      Not Applicable
  06/07/2026 06 PM PDT            2.18           1151         0      Not Applicable
  06/07/2026 07 PM PDT            2.18           1151         0      Not Applicable
  06/07/2026 08 PM PDT            2.18           1151         0      Not Applicable
  06/07/2026 09 PM PDT            2.19           1158         +      Not Applicable
  06/07/2026 10 PM PDT            2.18           1151         -      Not Applicable
  06/07/2026 11 PM PDT            2.18           1151         0      Not Applicable
  06/08/2026 12 AM PDT            2.17           1145         -      Not Applicable
  06/08/2026 01 AM PDT            2.17           1145         0      Not Applicable
  06/08/2026 02 AM PDT            2.17           1145         0      Not Applicable
  06/08/2026 03 AM PDT            2.18           1151         +      Not Applicable
  06/08/2026 04 AM PDT            2.18           1151         0      Not Applicable
  06/08/2026 05 AM PDT            2.18           1151         0      Not Applicable
  06/08/2026 06 AM PDT            2.19           1158         +      Not Applicable
  06/08/2026 07 AM PDT            2.18           1151         -      Not Applicable
  06/08/2026 08 AM PDT            2.18           1151         0      Not Applicable
  06/08/2026 09 AM PDT            2.17           1145         -      Not Applicable
  06/08/2026 10 AM PDT            2.17           1145         0      Not Applicable
  06/08/2026 11 AM PDT            2.17           1145         0      Not Applicable
  06/08/2026 12 PM PDT            2.18           1151         +      Not Applicable
  06/08/2026 01 PM PDT            2.18           1151         0      Not Applicable
  06/08/2026 02 PM PDT            2.18           1151         0      Not Applicable
  06/08/2026 03 PM PDT            2.18           1151         0      Not Applicable
  06/08/2026 04 PM PDT            2.19           1158         +      Not Applicable
  06/08/2026 05 PM PDT            2.19           1158         0      Not Applicable
  06/08/2026 06 PM PDT            2.19           1158         0      Not Applicable
  06/08/2026 07 PM PDT            2.19           1158         0      Not Applicable
  06/08/2026 08 PM PDT            2.20           1164         +      Not Applicable
  06/08/2026 09 PM PDT            2.19           1158         -      Not Applicable
  06/08/2026 10 PM PDT            2.18           1151         -      Not Applicable
  06/08/2026 11 PM PDT            2.16           1138         -      Not Applicable
  06/09/2026 12 AM PDT            2.14           1126         -      Not Applicable
  06/09/2026 01 AM PDT            2.13           1120         -      Not Applicable
  06/09/2026 02 AM PDT            2.13           1120         0      Not Applicable
  06/09/2026 03 AM PDT            2.14           1126         +      Not Applicable
  06/09/2026 04 AM PDT            2.14           1126         0      Not Applicable
  06/09/2026 05 AM PDT            2.14           1126         0      Not Applicable
  06/09/2026 06 AM PDT            2.12           1113         -      Not Applicable
  06/09/2026 07 AM PDT            2.12           1113         0      Not Applicable
  06/09/2026 08 AM PDT            2.12           1113         0      Not Applicable
  06/09/2026 09 AM PDT            2.13           1120         +      Not Applicable
  06/09/2026 10 AM PDT            2.12           1113         -      Not Applicable
  06/09/2026 11 AM PDT            2.13           1120         +      Not Applicable
  06/09/2026 12 PM PDT            2.13           1120         0      Not Applicable
  06/09/2026 01 PM PDT            2.13           1120         0      Not Applicable
  06/09/2026 02 PM PDT            2.13           1120         0      Not Applicable
  06/09/2026 03 PM PDT            2.11           1107         -      Not Applicable
  06/09/2026 04 PM PDT            2.13           1120         +      Not Applicable
  06/09/2026 05 PM PDT            2.12           1113         -      Not Applicable
  06/09/2026 06 PM PDT            2.12           1113         0      Not Applicable
  06/09/2026 07 PM PDT            2.13           1120         +      Not Applicable
  06/09/2026 08 PM PDT            2.11           1107         -      Not Applicable
  06/09/2026 09 PM PDT            2.11           1107         0      Not Applicable
  06/09/2026 10 PM PDT            2.10           1101         -      Not Applicable
  06/09/2026 11 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 12 AM PDT            2.10           1101         0      Not Applicable
  06/10/2026 01 AM PDT            2.11           1107         +      Not Applicable
  06/10/2026 02 AM PDT            2.12           1113         +      Not Applicable
  06/10/2026 03 AM PDT            2.12           1113         0      Not Applicable
  06/10/2026 04 AM PDT            2.12           1113         0      Not Applicable
  06/10/2026 05 AM PDT            2.11           1107         -      Not Applicable
  06/10/2026 06 AM PDT            2.11           1107         0      Not Applicable
  06/10/2026 07 AM PDT            2.11           1107         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/10/2026 08 AM PDT            2.11           1107                Not Applicable
  06/10/2026 09 AM PDT            2.11           1107         0      Not Applicable
  06/10/2026 10 AM PDT            2.10           1101         -      Not Applicable
  06/10/2026 11 AM PDT            2.10           1101         0      Not Applicable
  06/10/2026 12 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 01 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 02 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 03 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 04 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 05 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 06 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 07 PM PDT            2.10           1101         0      Not Applicable
  06/10/2026 08 PM PDT            2.09           1095         -      Not Applicable
  06/10/2026 09 PM PDT            2.09           1095         0      Not Applicable
  06/10/2026 10 PM PDT            2.09           1095         0      Not Applicable
  06/10/2026 11 PM PDT            2.09           1095         0      Not Applicable
  06/11/2026 12 AM PDT            2.09           1095         0      Not Applicable
  06/11/2026 01 AM PDT            2.09           1095         0      Not Applicable
  06/11/2026 02 AM PDT            2.08           1089         -      Not Applicable
  06/11/2026 03 AM PDT            2.08           1089         0      Not Applicable
  06/11/2026 04 AM PDT            2.08           1089         0      Not Applicable
  06/11/2026 05 AM PDT            2.08           1089         0      Not Applicable
  06/11/2026 06 AM PDT            2.08           1089         0      Not Applicable
  06/11/2026 07 AM PDT            2.08           1089         0      Not Applicable
  06/11/2026 08 AM PDT            2.07           1083         -      Not Applicable
  06/11/2026 09 AM PDT            2.07           1083         0      Not Applicable
  06/11/2026 10 AM PDT            2.07           1083         0      Not Applicable
  06/11/2026 11 AM PDT            2.07           1083         0      Not Applicable
  06/11/2026 12 PM PDT            2.07           1083         0      Not Applicable
  06/11/2026 01 PM PDT            2.07           1083         0      Not Applicable
  06/11/2026 02 PM PDT            2.06           1078         -      Not Applicable
  06/11/2026 03 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 04 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 05 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 06 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 07 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 08 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 09 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 10 PM PDT            2.06           1078         0      Not Applicable
  06/11/2026 11 PM PDT            2.06           1078         0      Not Applicable
  06/12/2026 12 AM PDT            2.06           1078         0      Not Applicable
  06/12/2026 01 AM PDT            2.06           1078         0      Not Applicable
  06/12/2026 02 AM PDT            2.06           1078         0      Not Applicable
  06/12/2026 03 AM PDT            2.05           1072         -      Not Applicable
  06/12/2026 04 AM PDT            2.05           1072         0      Not Applicable
  06/12/2026 05 AM PDT            2.05           1072         0      Not Applicable
  06/12/2026 06 AM PDT            2.05           1072         0      Not Applicable
  06/12/2026 07 AM PDT            2.05           1072         0      Not Applicable
  06/12/2026 08 AM PDT            2.05           1072         0      Not Applicable
  06/12/2026 09 AM PDT            2.05           1072         0      Not Applicable
  06/12/2026 10 AM PDT            2.04           1066         -      Not Applicable
  06/12/2026 11 AM PDT            2.04           1066         0      Not Applicable
  06/12/2026 12 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 01 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 02 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 03 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 04 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 05 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 06 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 07 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 08 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 09 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 10 PM PDT            2.04           1066         0      Not Applicable
  06/12/2026 11 PM PDT            2.04           1066         0      Not Applicable
  06/13/2026 12 AM PDT            2.04           1066         0      Not Applicable
  06/13/2026 01 AM PDT            2.04           1066         0      Not Applicable
  06/13/2026 02 AM PDT            2.03           1060         -      Not Applicable
  06/13/2026 03 AM PDT            2.03           1060         0      Not Applicable
  06/13/2026 04 AM PDT            2.03           1060         0      Not Applicable
  06/13/2026 05 AM PDT            2.03           1060         0      Not Applicable
  06/13/2026 06 AM PDT            2.03           1060         0      Not Applicable
  06/13/2026 07 AM PDT            2.03           1060         0      Not Applicable
  06/13/2026 08 AM PDT            2.02           1055         -      Not Applicable
  06/13/2026 09 AM PDT            2.02           1055         0      Not Applicable
  06/13/2026 10 AM PDT            2.02           1055         0      Not Applicable
  06/13/2026 11 AM PDT            2.02           1055         0      Not Applicable
  06/13/2026 12 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 01 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 02 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 03 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 04 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 05 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 06 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 07 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 08 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 09 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 10 PM PDT            2.02           1055         0      Not Applicable
  06/13/2026 11 PM PDT            2.01           1049         -      Not Applicable
  06/14/2026 12 AM PDT            2.01           1049         0      Not Applicable
  06/14/2026 01 AM PDT            2.01           1049         0      Not Applicable
  06/14/2026 02 AM PDT            2.01           1049         0      Not Applicable
  06/14/2026 03 AM PDT            2.01           1049         0      Not Applicable
  06/14/2026 04 AM PDT            2.01           1049         0      Not Applicable
  06/14/2026 05 AM PDT            2.01           1049         0      Not Applicable
  06/14/2026 06 AM PDT            2.00           1043         -      Not Applicable
  06/14/2026 07 AM PDT            2.00           1043         0      Not Applicable
  06/14/2026 08 AM PDT            2.00           1043         0      Not Applicable
  06/14/2026 09 AM PDT            2.00           1043         0      Not Applicable
  06/14/2026 10 AM PDT            2.00           1043         0      Not Applicable
  06/14/2026 11 AM PDT            2.00           1043         0      Not Applicable
  06/14/2026 12 PM PDT            2.00           1043         0      Not Applicable
  06/14/2026 01 PM PDT            2.00           1043         0      Not Applicable
  06/14/2026 02 PM PDT            2.00           1043         0      Not Applicable
  06/14/2026 03 PM PDT            2.00           1043         0      Not Applicable
  06/14/2026 04 PM PDT            2.00           1043         0      Not Applicable
  06/14/2026 05 PM PDT            2.00           1043         0      Not Applicable
  06/14/2026 06 PM PDT            1.99           1038         -      Not Applicable
  06/14/2026 07 PM PDT            1.99           1038         0      Not Applicable
  06/14/2026 08 PM PDT            1.99           1038         0      Not Applicable
  06/14/2026 09 PM PDT            1.99           1038         0      Not Applicable
  06/14/2026 10 PM PDT            1.99           1038         0      Not Applicable
  06/14/2026 11 PM PDT            1.99           1038         0      Not Applicable
  06/15/2026 12 AM PDT            1.99           1038         0      Not Applicable
  06/15/2026 01 AM PDT            1.99           1038         0      Not Applicable
  06/15/2026 02 AM PDT            1.99           1038         0      Not Applicable
  06/15/2026 03 AM PDT            1.99           1038         0      Not Applicable
  06/15/2026 04 AM PDT            1.99           1038         0      Not Applicable
  06/15/2026 05 AM PDT            1.98           1032         -      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.