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 05 2026 at 7:37 AM PDTNext Issuance: Jun 06 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:  06/05/2026 at 07:39 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/31/2026 at 03:00 PM PDT
# Maximum Observed Stage:                       2.32 Feet
# Maximum Observed Flow:                        1273 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/05/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.18 Feet
# Maximum Forecast Flow:                        1181 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/31/2026 07 AM PDT            2.30           1260                Not Applicable
  05/31/2026 08 AM PDT            2.31           1266         +      Not Applicable
  05/31/2026 09 AM PDT            2.29           1253         -      Not Applicable
  05/31/2026 10 AM PDT            2.30           1260         +      Not Applicable
  05/31/2026 11 AM PDT            2.32           1273         +      Not Applicable
  05/31/2026 12 PM PDT            2.32           1273         0      Not Applicable
  05/31/2026 01 PM PDT            2.31           1266         -      Not Applicable
  05/31/2026 02 PM PDT            2.30           1260         -      Not Applicable
  05/31/2026 03 PM PDT            2.32           1273         +      Not Applicable
  05/31/2026 04 PM PDT            2.31           1266         -      Not Applicable
  05/31/2026 05 PM PDT            2.30           1260         -      Not Applicable
  05/31/2026 06 PM PDT            2.30           1260         0      Not Applicable
  05/31/2026 07 PM PDT            2.30           1260         0      Not Applicable
  05/31/2026 08 PM PDT            2.29           1253         -      Not Applicable
  05/31/2026 09 PM PDT            2.29           1253         0      Not Applicable
  05/31/2026 10 PM PDT            2.30           1260         +      Not Applicable
  05/31/2026 11 PM PDT            2.30           1260         0      Not Applicable
  06/01/2026 12 AM PDT            2.30           1260         0      Not Applicable
  06/01/2026 01 AM PDT            2.31           1266         +      Not Applicable
  06/01/2026 02 AM PDT            2.29           1253         -      Not Applicable
  06/01/2026 03 AM PDT            2.29           1253         0      Not Applicable
  06/01/2026 04 AM PDT            2.29           1253         0      Not Applicable
  06/01/2026 05 AM PDT            2.29           1253         0      Not Applicable
  06/01/2026 06 AM PDT            2.29           1253         0      Not Applicable
  06/01/2026 07 AM PDT            2.29           1253         0      Not Applicable
  06/01/2026 08 AM PDT            2.31           1266         +      Not Applicable
  06/01/2026 09 AM PDT            2.30           1260         -      Not Applicable
  06/01/2026 10 AM PDT            2.30           1260         0      Not Applicable
  06/01/2026 11 AM PDT            2.30           1260         0      Not Applicable
  06/01/2026 12 PM PDT            2.31           1266         +      Not Applicable
  06/01/2026 01 PM PDT            2.31           1266         0      Not Applicable
  06/01/2026 02 PM PDT            2.29           1253         -      Not Applicable
  06/01/2026 03 PM PDT            2.30           1260         +      Not Applicable
  06/01/2026 04 PM PDT            2.30           1260         0      Not Applicable
  06/01/2026 05 PM PDT            2.31           1266         +      Not Applicable
  06/01/2026 06 PM PDT            2.31           1266         0      Not Applicable
  06/01/2026 07 PM PDT            2.30           1260         -      Not Applicable
  06/01/2026 08 PM PDT            2.30           1260         0      Not Applicable
  06/01/2026 09 PM PDT            2.29           1253         -      Not Applicable
  06/01/2026 10 PM PDT            2.29           1253         0      Not Applicable
  06/01/2026 11 PM PDT            2.29           1253         0      Not Applicable
  06/02/2026 12 AM PDT            2.29           1253         0      Not Applicable
  06/02/2026 01 AM PDT            2.28           1246         -      Not Applicable
  06/02/2026 02 AM PDT            2.28           1246         0      Not Applicable
  06/02/2026 03 AM PDT            2.28           1246         0      Not Applicable
  06/02/2026 04 AM PDT            2.29           1253         +      Not Applicable
  06/02/2026 05 AM PDT            2.30           1260         +      Not Applicable
  06/02/2026 06 AM PDT            2.30           1260         0      Not Applicable
  06/02/2026 07 AM PDT            2.29           1253         -      Not Applicable
  06/02/2026 08 AM PDT            2.28           1246         -      Not Applicable
  06/02/2026 09 AM PDT            2.29           1253         +      Not Applicable
  06/02/2026 10 AM PDT            2.28           1246         -      Not Applicable
  06/02/2026 11 AM PDT            2.29           1253         +      Not Applicable
  06/02/2026 12 PM PDT            2.27           1240         -      Not Applicable
  06/02/2026 01 PM PDT            2.29           1253         +      Not Applicable
  06/02/2026 02 PM PDT            2.29           1253         0      Not Applicable
  06/02/2026 03 PM PDT            2.28           1246         -      Not Applicable
  06/02/2026 04 PM PDT            2.28           1246         0      Not Applicable
  06/02/2026 05 PM PDT            2.28           1246         0      Not Applicable
  06/02/2026 06 PM PDT            2.30           1260         +      Not Applicable
  06/02/2026 07 PM PDT            2.28           1246         -      Not Applicable
  06/02/2026 08 PM PDT            2.28           1246         0      Not Applicable
  06/02/2026 09 PM PDT            2.28           1246         0      Not Applicable
  06/02/2026 10 PM PDT            2.27           1240         -      Not Applicable
  06/02/2026 11 PM PDT            2.27           1240         0      Not Applicable
  06/03/2026 12 AM PDT            2.27           1240         0      Not Applicable
  06/03/2026 01 AM PDT            2.27           1240         0      Not Applicable
  06/03/2026 02 AM PDT            2.27           1240         0      Not Applicable
  06/03/2026 03 AM PDT            2.28           1246         +      Not Applicable
  06/03/2026 04 AM PDT            2.28           1246         0      Not Applicable
  06/03/2026 05 AM PDT            2.26           1233         -      Not Applicable
  06/03/2026 06 AM PDT            2.28           1246         +      Not Applicable
  06/03/2026 07 AM PDT            2.27           1240         -      Not Applicable
  06/03/2026 08 AM PDT            2.28           1246         +      Not Applicable
  06/03/2026 09 AM PDT            2.28           1246         0      Not Applicable
  06/03/2026 10 AM PDT            2.27           1240         -      Not Applicable
  06/03/2026 11 AM PDT            2.28           1246         +      Not Applicable
  06/03/2026 12 PM PDT            2.27           1240         -      Not Applicable
  06/03/2026 01 PM PDT            2.27           1240         0      Not Applicable
  06/03/2026 02 PM PDT            2.28           1246         +      Not Applicable
  06/03/2026 03 PM PDT            2.28           1246         0      Not Applicable
  06/03/2026 04 PM PDT            2.28           1246         0      Not Applicable
  06/03/2026 05 PM PDT            2.27           1240         -      Not Applicable
  06/03/2026 06 PM PDT            2.26           1233         -      Not Applicable
  06/03/2026 07 PM PDT            2.25           1227         -      Not Applicable
  06/03/2026 08 PM PDT            2.25           1227         0      Not Applicable
  06/03/2026 09 PM PDT            2.27           1240         +      Not Applicable
  06/03/2026 10 PM PDT            2.26           1233         -      Not Applicable
  06/03/2026 11 PM PDT            2.26           1233         0      Not Applicable
  06/04/2026 12 AM PDT            2.24           1220         -      Not Applicable
  06/04/2026 01 AM PDT            2.20           1194         -      Not Applicable
  06/04/2026 02 AM PDT            2.19           1188         -      Not Applicable
  06/04/2026 03 AM PDT            2.17           1175         -      Not Applicable
  06/04/2026 04 AM PDT            2.16           1168         -      Not Applicable
  06/04/2026 05 AM PDT            2.17           1175         +      Not Applicable
  06/04/2026 06 AM PDT            2.16           1168         -      Not Applicable
  06/04/2026 07 AM PDT            2.17           1175         +      Not Applicable
  06/04/2026 08 AM PDT            2.18           1181         +      Not Applicable
  06/04/2026 09 AM PDT            2.18           1181         0      Not Applicable
  06/04/2026 10 AM PDT            2.17           1175         -      Not Applicable
  06/04/2026 11 AM PDT            2.17           1175         0      Not Applicable
  06/04/2026 12 PM PDT            2.18           1181         +      Not Applicable
  06/04/2026 01 PM PDT            2.17           1175         -      Not Applicable
  06/04/2026 02 PM PDT            2.17           1175         0      Not Applicable
  06/04/2026 03 PM PDT            2.17           1175         0      Not Applicable
  06/04/2026 04 PM PDT            2.17           1175         0      Not Applicable
  06/04/2026 05 PM PDT            2.16           1168         -      Not Applicable
  06/04/2026 06 PM PDT            2.18           1181         +      Not Applicable
  06/04/2026 07 PM PDT            2.18           1181         0      Not Applicable
  06/04/2026 08 PM PDT            2.18           1181         0      Not Applicable
  06/04/2026 09 PM PDT            2.18           1181         0      Not Applicable
  06/04/2026 10 PM PDT            2.17           1175         -      Not Applicable
  06/04/2026 11 PM PDT            2.17           1175         0      Not Applicable
  06/05/2026 12 AM PDT            2.16           1168         -      Not Applicable
  06/05/2026 01 AM PDT            2.17           1175         +      Not Applicable
  06/05/2026 02 AM PDT            2.17           1175         0      Not Applicable
  06/05/2026 03 AM PDT            2.16           1168         -      Not Applicable
  06/05/2026 04 AM PDT            2.17           1175         +      Not Applicable
  06/05/2026 05 AM PDT            2.19           1188         +      Not Applicable
  06/05/2026 06 AM PDT            2.18           1181         -      Not Applicable
  06/05/2026 07 AM PDT            2.18           1181         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/05/2026 08 AM PDT            2.18           1181                Not Applicable
  06/05/2026 09 AM PDT            2.18           1181         0      Not Applicable
  06/05/2026 10 AM PDT            2.18           1181         0      Not Applicable
  06/05/2026 11 AM PDT            2.18           1181         0      Not Applicable
  06/05/2026 12 PM PDT            2.18           1181         0      Not Applicable
  06/05/2026 01 PM PDT            2.18           1181         0      Not Applicable
  06/05/2026 02 PM PDT            2.18           1181         0      Not Applicable
  06/05/2026 03 PM PDT            2.18           1181         0      Not Applicable
  06/05/2026 04 PM PDT            2.18           1181         0      Not Applicable
  06/05/2026 05 PM PDT            2.18           1181         0      Not Applicable
  06/05/2026 06 PM PDT            2.17           1175         -      Not Applicable
  06/05/2026 07 PM PDT            2.17           1175         0      Not Applicable
  06/05/2026 08 PM PDT            2.17           1175         0      Not Applicable
  06/05/2026 09 PM PDT            2.17           1175         0      Not Applicable
  06/05/2026 10 PM PDT            2.17           1175         0      Not Applicable
  06/05/2026 11 PM PDT            2.17           1175         0      Not Applicable
  06/06/2026 12 AM PDT            2.17           1175         0      Not Applicable
  06/06/2026 01 AM PDT            2.17           1175         0      Not Applicable
  06/06/2026 02 AM PDT            2.17           1175         0      Not Applicable
  06/06/2026 03 AM PDT            2.17           1175         0      Not Applicable
  06/06/2026 04 AM PDT            2.16           1168         -      Not Applicable
  06/06/2026 05 AM PDT            2.16           1168         0      Not Applicable
  06/06/2026 06 AM PDT            2.16           1168         0      Not Applicable
  06/06/2026 07 AM PDT            2.16           1168         0      Not Applicable
  06/06/2026 08 AM PDT            2.16           1168         0      Not Applicable
  06/06/2026 09 AM PDT            2.16           1168         0      Not Applicable
  06/06/2026 10 AM PDT            2.16           1168         0      Not Applicable
  06/06/2026 11 AM PDT            2.15           1162         -      Not Applicable
  06/06/2026 12 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 01 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 02 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 03 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 04 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 05 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 06 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 07 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 08 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 09 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 10 PM PDT            2.15           1162         0      Not Applicable
  06/06/2026 11 PM PDT            2.15           1162         0      Not Applicable
  06/07/2026 12 AM PDT            2.15           1162         0      Not Applicable
  06/07/2026 01 AM PDT            2.15           1162         0      Not Applicable
  06/07/2026 02 AM PDT            2.15           1162         0      Not Applicable
  06/07/2026 03 AM PDT            2.14           1156         -      Not Applicable
  06/07/2026 04 AM PDT            2.14           1156         0      Not Applicable
  06/07/2026 05 AM PDT            2.14           1156         0      Not Applicable
  06/07/2026 06 AM PDT            2.14           1156         0      Not Applicable
  06/07/2026 07 AM PDT            2.14           1156         0      Not Applicable
  06/07/2026 08 AM PDT            2.14           1156         0      Not Applicable
  06/07/2026 09 AM PDT            2.14           1156         0      Not Applicable
  06/07/2026 10 AM PDT            2.13           1149         -      Not Applicable
  06/07/2026 11 AM PDT            2.13           1149         0      Not Applicable
  06/07/2026 12 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 01 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 02 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 03 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 04 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 05 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 06 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 07 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 08 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 09 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 10 PM PDT            2.13           1149         0      Not Applicable
  06/07/2026 11 PM PDT            2.13           1149         0      Not Applicable
  06/08/2026 12 AM PDT            2.13           1149         0      Not Applicable
  06/08/2026 01 AM PDT            2.13           1149         0      Not Applicable
  06/08/2026 02 AM PDT            2.12           1143         -      Not Applicable
  06/08/2026 03 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 04 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 05 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 06 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 07 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 08 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 09 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 10 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 11 AM PDT            2.12           1143         0      Not Applicable
  06/08/2026 12 PM PDT            2.12           1143         0      Not Applicable
  06/08/2026 01 PM PDT            2.12           1143         0      Not Applicable
  06/08/2026 02 PM PDT            2.12           1143         0      Not Applicable
  06/08/2026 03 PM PDT            2.12           1143         0      Not Applicable
  06/08/2026 04 PM PDT            2.12           1143         0      Not Applicable
  06/08/2026 05 PM PDT            2.13           1149         +      Not Applicable
  06/08/2026 06 PM PDT            2.13           1149         0      Not Applicable
  06/08/2026 07 PM PDT            2.13           1149         0      Not Applicable
  06/08/2026 08 PM PDT            2.14           1156         +      Not Applicable
  06/08/2026 09 PM PDT            2.14           1156         0      Not Applicable
  06/08/2026 10 PM PDT            2.15           1162         +      Not Applicable
  06/08/2026 11 PM PDT            2.15           1162         0      Not Applicable
  06/09/2026 12 AM PDT            2.16           1168         +      Not Applicable
  06/09/2026 01 AM PDT            2.16           1168         0      Not Applicable
  06/09/2026 02 AM PDT            2.17           1175         +      Not Applicable
  06/09/2026 03 AM PDT            2.17           1175         0      Not Applicable
  06/09/2026 04 AM PDT            2.17           1175         0      Not Applicable
  06/09/2026 05 AM PDT            2.18           1181         +      Not Applicable
  06/09/2026 06 AM PDT            2.18           1181         0      Not Applicable
  06/09/2026 07 AM PDT            2.18           1181         0      Not Applicable
  06/09/2026 08 AM PDT            2.18           1181         0      Not Applicable
  06/09/2026 09 AM PDT            2.18           1181         0      Not Applicable
  06/09/2026 10 AM PDT            2.18           1181         0      Not Applicable
  06/09/2026 11 AM PDT            2.18           1181         0      Not Applicable
  06/09/2026 12 PM PDT            2.18           1181         0      Not Applicable
  06/09/2026 01 PM PDT            2.18           1181         0      Not Applicable
  06/09/2026 02 PM PDT            2.18           1181         0      Not Applicable
  06/09/2026 03 PM PDT            2.18           1181         0      Not Applicable
  06/09/2026 04 PM PDT            2.18           1181         0      Not Applicable
  06/09/2026 05 PM PDT            2.18           1181         0      Not Applicable
  06/09/2026 06 PM PDT            2.17           1175         -      Not Applicable
  06/09/2026 07 PM PDT            2.17           1175         0      Not Applicable
  06/09/2026 08 PM PDT            2.17           1175         0      Not Applicable
  06/09/2026 09 PM PDT            2.17           1175         0      Not Applicable
  06/09/2026 10 PM PDT            2.17           1175         0      Not Applicable
  06/09/2026 11 PM PDT            2.16           1168         -      Not Applicable
  06/10/2026 12 AM PDT            2.16           1168         0      Not Applicable
  06/10/2026 01 AM PDT            2.15           1162         -      Not Applicable
  06/10/2026 02 AM PDT            2.15           1162         0      Not Applicable
  06/10/2026 03 AM PDT            2.14           1156         -      Not Applicable
  06/10/2026 04 AM PDT            2.14           1156         0      Not Applicable
  06/10/2026 05 AM PDT            2.13           1149         -      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.