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 13 2026 at 6:50 AM PDTNext Issuance: Mar 13 2026 at 3:00 PM 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:  03/13/2026 at 06:52 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/08/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       2.19 Feet
# Maximum Observed Flow:                        1188 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/14/2026 at 04:00 PM PDT
# Maximum Forecast Stage:                       2.15 Feet
# Maximum Forecast Flow:                        1162 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/08/2026 06 AM PDT            2.19           1188                Not Applicable
  03/08/2026 07 AM PDT            2.17           1175         -      Not Applicable
  03/08/2026 08 AM PDT            2.17           1175         0      Not Applicable
  03/08/2026 09 AM PDT            2.17           1175         0      Not Applicable
  03/08/2026 10 AM PDT            2.17           1175         0      Not Applicable
  03/08/2026 11 AM PDT            2.16           1168         -      Not Applicable
  03/08/2026 12 PM PDT            2.17           1175         +      Not Applicable
  03/08/2026 01 PM PDT            2.17           1175         0      Not Applicable
  03/08/2026 02 PM PDT            2.18           1181         +      Not Applicable
  03/08/2026 03 PM PDT            2.17           1175         -      Not Applicable
  03/08/2026 04 PM PDT            2.17           1175         0      Not Applicable
  03/08/2026 05 PM PDT            2.18           1181         +      Not Applicable
  03/08/2026 06 PM PDT            2.17           1175         -      Not Applicable
  03/08/2026 07 PM PDT            2.16           1168         -      Not Applicable
  03/08/2026 08 PM PDT            2.15           1162         -      Not Applicable
  03/08/2026 09 PM PDT            2.16           1168         +      Not Applicable
  03/08/2026 10 PM PDT            2.16           1168         0      Not Applicable
  03/08/2026 11 PM PDT            2.14           1156         -      Not Applicable
  03/09/2026 12 AM PDT            2.15           1162         +      Not Applicable
  03/09/2026 01 AM PDT            2.14           1156         -      Not Applicable
  03/09/2026 02 AM PDT            2.15           1162         +      Not Applicable
  03/09/2026 03 AM PDT            2.15           1162         0      Not Applicable
  03/09/2026 04 AM PDT            2.15           1162         0      Not Applicable
  03/09/2026 05 AM PDT            2.14           1156         -      Not Applicable
  03/09/2026 06 AM PDT            2.15           1162         +      Not Applicable
  03/09/2026 07 AM PDT            2.15           1162         0      Not Applicable
  03/09/2026 08 AM PDT            2.15           1162         0      Not Applicable
  03/09/2026 09 AM PDT            2.15           1162         0      Not Applicable
  03/09/2026 10 AM PDT            2.14           1156         -      Not Applicable
  03/09/2026 11 AM PDT            2.14           1156         0      Not Applicable
  03/09/2026 12 PM PDT            2.13           1149         -      Not Applicable
  03/09/2026 01 PM PDT            2.14           1156         +      Not Applicable
  03/09/2026 02 PM PDT            2.14           1156         0      Not Applicable
  03/09/2026 03 PM PDT            2.14           1156         0      Not Applicable
  03/09/2026 04 PM PDT            2.15           1162         +      Not Applicable
  03/09/2026 05 PM PDT            2.15           1162         0      Not Applicable
  03/09/2026 06 PM PDT            2.14           1156         -      Not Applicable
  03/09/2026 07 PM PDT            2.12           1143         -      Not Applicable
  03/09/2026 08 PM PDT            2.13           1149         +      Not Applicable
  03/09/2026 09 PM PDT            2.12           1143         -      Not Applicable
  03/09/2026 10 PM PDT            2.12           1143         0      Not Applicable
  03/09/2026 11 PM PDT            2.12           1143         0      Not Applicable
  03/10/2026 12 AM PDT            2.11           1137         -      Not Applicable
  03/10/2026 01 AM PDT            2.12           1143         +      Not Applicable
  03/10/2026 02 AM PDT            2.11           1137         -      Not Applicable
  03/10/2026 03 AM PDT            2.12           1143         +      Not Applicable
  03/10/2026 04 AM PDT            2.12           1143         0      Not Applicable
  03/10/2026 05 AM PDT            2.13           1149         +      Not Applicable
  03/10/2026 06 AM PDT            2.12           1143         -      Not Applicable
  03/10/2026 07 AM PDT            2.12           1143         0      Not Applicable
  03/10/2026 08 AM PDT            2.13           1149         +      Not Applicable
  03/10/2026 09 AM PDT            2.12           1143         -      Not Applicable
  03/10/2026 10 AM PDT            2.11           1137         -      Not Applicable
  03/10/2026 11 AM PDT            2.12           1143         +      Not Applicable
  03/10/2026 12 PM PDT            2.10           1130         -      Not Applicable
  03/10/2026 01 PM PDT            2.10           1130         0      Not Applicable
  03/10/2026 02 PM PDT            2.12           1143         +      Not Applicable
  03/10/2026 03 PM PDT            2.12           1143         0      Not Applicable
  03/10/2026 04 PM PDT            2.10           1130         -      Not Applicable
  03/10/2026 05 PM PDT            2.10           1130         0      Not Applicable
  03/10/2026 06 PM PDT            2.11           1137         +      Not Applicable
  03/10/2026 07 PM PDT            2.11           1137         0      Not Applicable
  03/10/2026 08 PM PDT            2.10           1130         -      Not Applicable
  03/10/2026 09 PM PDT            2.10           1130         0      Not Applicable
  03/10/2026 10 PM PDT            2.10           1130         0      Not Applicable
  03/10/2026 11 PM PDT            2.10           1130         0      Not Applicable
  03/11/2026 12 AM PDT            2.10           1130         0      Not Applicable
  03/11/2026 01 AM PDT            2.09           1124         -      Not Applicable
  03/11/2026 02 AM PDT            2.09           1124         0      Not Applicable
  03/11/2026 03 AM PDT            2.08           1119         -      Not Applicable
  03/11/2026 04 AM PDT            2.08           1119         0      Not Applicable
  03/11/2026 05 AM PDT            2.08           1119         0      Not Applicable
  03/11/2026 06 AM PDT            2.08           1119         0      Not Applicable
  03/11/2026 07 AM PDT            2.08           1119         0      Not Applicable
  03/11/2026 08 AM PDT            2.10           1130         +      Not Applicable
  03/11/2026 09 AM PDT            2.10           1130         0      Not Applicable
  03/11/2026 10 AM PDT            2.10           1130         0      Not Applicable
  03/11/2026 11 AM PDT            2.10           1130         0      Not Applicable
  03/11/2026 12 PM PDT            2.09           1124         -      Not Applicable
  03/11/2026 01 PM PDT            2.10           1130         +      Not Applicable
  03/11/2026 02 PM PDT            2.09           1124         -      Not Applicable
  03/11/2026 03 PM PDT            2.09           1124         0      Not Applicable
  03/11/2026 04 PM PDT            2.08           1119         -      Not Applicable
  03/11/2026 05 PM PDT            2.08           1119         0      Not Applicable
  03/11/2026 06 PM PDT            2.10           1130         +      Not Applicable
  03/11/2026 07 PM PDT            2.09           1124         -      Not Applicable
  03/11/2026 08 PM PDT            2.08           1119         -      Not Applicable
  03/11/2026 09 PM PDT            2.09           1124         +      Not Applicable
  03/11/2026 10 PM PDT            2.08           1119         -      Not Applicable
  03/11/2026 11 PM PDT            2.09           1124         +      Not Applicable
  03/12/2026 12 AM PDT            2.08           1119         -      Not Applicable
  03/12/2026 01 AM PDT            2.10           1130         +      Not Applicable
  03/12/2026 02 AM PDT            2.08           1119         -      Not Applicable
  03/12/2026 03 AM PDT            2.09           1124         +      Not Applicable
  03/12/2026 04 AM PDT            2.10           1130         +      Not Applicable
  03/12/2026 05 AM PDT            2.09           1124         -      Not Applicable
  03/12/2026 06 AM PDT            2.08           1119         -      Not Applicable
  03/12/2026 07 AM PDT            2.07           1113         -      Not Applicable
  03/12/2026 08 AM PDT            2.09           1124         +      Not Applicable
  03/12/2026 09 AM PDT            2.08           1119         -      Not Applicable
  03/12/2026 10 AM PDT            2.09           1124         +      Not Applicable
  03/12/2026 11 AM PDT            2.09           1124         0      Not Applicable
  03/12/2026 12 PM PDT            2.09           1124         0      Not Applicable
  03/12/2026 01 PM PDT            2.08           1119         -      Not Applicable
  03/12/2026 02 PM PDT            2.08           1119         0      Not Applicable
  03/12/2026 03 PM PDT            2.09           1124         +      Not Applicable
  03/12/2026 04 PM PDT            2.09           1124         0      Not Applicable
  03/12/2026 05 PM PDT            2.09           1124         0      Not Applicable
  03/12/2026 06 PM PDT            2.09           1124         0      Not Applicable
  03/12/2026 07 PM PDT            2.07           1113         -      Not Applicable
  03/12/2026 08 PM PDT            2.07           1113         0      Not Applicable
  03/12/2026 09 PM PDT            2.08           1119         +      Not Applicable
  03/12/2026 10 PM PDT            2.08           1119         0      Not Applicable
  03/12/2026 11 PM PDT            2.09           1124         +      Not Applicable
  03/13/2026 12 AM PDT            2.08           1119         -      Not Applicable
  03/13/2026 01 AM PDT            2.08           1119         0      Not Applicable
  03/13/2026 02 AM PDT            2.08           1119         0      Not Applicable
  03/13/2026 03 AM PDT            2.06           1107         -      Not Applicable
  03/13/2026 04 AM PDT            2.06           1107         0      Not Applicable
  03/13/2026 05 AM PDT            2.07           1113         +      Not Applicable
  03/13/2026 06 AM PDT            2.07           1113         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/13/2026 07 AM PDT            2.07           1113                Not Applicable
  03/13/2026 08 AM PDT            2.07           1113         0      Not Applicable
  03/13/2026 09 AM PDT            2.07           1113         0      Not Applicable
  03/13/2026 10 AM PDT            2.07           1113         0      Not Applicable
  03/13/2026 11 AM PDT            2.07           1113         0      Not Applicable
  03/13/2026 12 PM PDT            2.07           1113         0      Not Applicable
  03/13/2026 01 PM PDT            2.07           1113         0      Not Applicable
  03/13/2026 02 PM PDT            2.06           1107         -      Not Applicable
  03/13/2026 03 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 04 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 05 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 06 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 07 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 08 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 09 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 10 PM PDT            2.06           1107         0      Not Applicable
  03/13/2026 11 PM PDT            2.06           1107         0      Not Applicable
  03/14/2026 12 AM PDT            2.06           1107         0      Not Applicable
  03/14/2026 01 AM PDT            2.06           1107         0      Not Applicable
  03/14/2026 02 AM PDT            2.05           1101         -      Not Applicable
  03/14/2026 03 AM PDT            2.05           1101         0      Not Applicable
  03/14/2026 04 AM PDT            2.05           1101         0      Not Applicable
  03/14/2026 05 AM PDT            2.05           1101         0      Not Applicable
  03/14/2026 06 AM PDT            2.05           1101         0      Not Applicable
  03/14/2026 07 AM PDT            2.05           1101         0      Not Applicable
  03/14/2026 08 AM PDT            2.05           1101         0      Not Applicable
  03/14/2026 09 AM PDT            2.06           1107         +      Not Applicable
  03/14/2026 10 AM PDT            2.07           1113         +      Not Applicable
  03/14/2026 11 AM PDT            2.08           1119         +      Not Applicable
  03/14/2026 12 PM PDT            2.10           1130         +      Not Applicable
  03/14/2026 01 PM PDT            2.12           1143         +      Not Applicable
  03/14/2026 02 PM PDT            2.13           1149         +      Not Applicable
  03/14/2026 03 PM PDT            2.14           1156         +      Not Applicable
  03/14/2026 04 PM PDT            2.15           1162         +      Not Applicable
  03/14/2026 05 PM PDT            2.15           1162         0      Not Applicable
  03/14/2026 06 PM PDT            2.15           1162         0      Not Applicable
  03/14/2026 07 PM PDT            2.14           1156         -      Not Applicable
  03/14/2026 08 PM PDT            2.13           1149         -      Not Applicable
  03/14/2026 09 PM PDT            2.13           1149         0      Not Applicable
  03/14/2026 10 PM PDT            2.12           1143         -      Not Applicable
  03/14/2026 11 PM PDT            2.12           1143         0      Not Applicable
  03/15/2026 12 AM PDT            2.12           1143         0      Not Applicable
  03/15/2026 01 AM PDT            2.12           1143         0      Not Applicable
  03/15/2026 02 AM PDT            2.12           1143         0      Not Applicable
  03/15/2026 03 AM PDT            2.12           1143         0      Not Applicable
  03/15/2026 04 AM PDT            2.12           1143         0      Not Applicable
  03/15/2026 05 AM PDT            2.12           1143         0      Not Applicable
  03/15/2026 06 AM PDT            2.11           1137         -      Not Applicable
  03/15/2026 07 AM PDT            2.11           1137         0      Not Applicable
  03/15/2026 08 AM PDT            2.11           1137         0      Not Applicable
  03/15/2026 09 AM PDT            2.11           1137         0      Not Applicable
  03/15/2026 10 AM PDT            2.10           1130         -      Not Applicable
  03/15/2026 11 AM PDT            2.10           1130         0      Not Applicable
  03/15/2026 12 PM PDT            2.10           1130         0      Not Applicable
  03/15/2026 01 PM PDT            2.10           1130         0      Not Applicable
  03/15/2026 02 PM PDT            2.09           1124         -      Not Applicable
  03/15/2026 03 PM PDT            2.09           1124         0      Not Applicable
  03/15/2026 04 PM PDT            2.08           1119         -      Not Applicable
  03/15/2026 05 PM PDT            2.08           1119         0      Not Applicable
  03/15/2026 06 PM PDT            2.08           1119         0      Not Applicable
  03/15/2026 07 PM PDT            2.07           1113         -      Not Applicable
  03/15/2026 08 PM PDT            2.07           1113         0      Not Applicable
  03/15/2026 09 PM PDT            2.07           1113         0      Not Applicable
  03/15/2026 10 PM PDT            2.06           1107         -      Not Applicable
  03/15/2026 11 PM PDT            2.06           1107         0      Not Applicable
  03/16/2026 12 AM PDT            2.06           1107         0      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            2.05           1101         0      Not Applicable
  03/16/2026 04 AM PDT            2.05           1101         0      Not Applicable
  03/16/2026 05 AM PDT            2.04           1095         -      Not Applicable
  03/16/2026 06 AM PDT            2.04           1095         0      Not Applicable
  03/16/2026 07 AM PDT            2.04           1095         0      Not Applicable
  03/16/2026 08 AM PDT            2.04           1095         0      Not Applicable
  03/16/2026 09 AM PDT            2.04           1095         0      Not Applicable
  03/16/2026 10 AM PDT            2.04           1095         0      Not Applicable
  03/16/2026 11 AM PDT            2.04           1095         0      Not Applicable
  03/16/2026 12 PM PDT            2.03           1089         -      Not Applicable
  03/16/2026 01 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 02 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 03 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 04 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 05 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 06 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 07 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 08 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 09 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 10 PM PDT            2.03           1089         0      Not Applicable
  03/16/2026 11 PM PDT            2.02           1083         -      Not Applicable
  03/17/2026 12 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 01 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 02 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 03 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 04 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 05 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 06 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 07 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 08 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 09 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 10 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 11 AM PDT            2.02           1083         0      Not Applicable
  03/17/2026 12 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 01 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 02 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 03 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 04 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 05 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 06 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 07 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 08 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 09 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 10 PM PDT            2.02           1083         0      Not Applicable
  03/17/2026 11 PM PDT            2.02           1083         0      Not Applicable
  03/18/2026 12 AM PDT            2.02           1083         0      Not Applicable
  03/18/2026 01 AM PDT            2.02           1083         0      Not Applicable
  03/18/2026 02 AM PDT            2.02           1083         0      Not Applicable
  03/18/2026 03 AM PDT            2.02           1083         0      Not Applicable
  03/18/2026 04 AM PDT            2.02           1083         0      Not Applicable
  03/18/2026 05 AM PDT            2.02           1083         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.