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: May 30 2026 at 7:57 AM PDTNext Issuance: May 31 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:  05/30/2026 at 07:59 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/29/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       2.61 Feet
# Maximum Observed Flow:                        1474 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/30/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.34 Feet
# Maximum Forecast Flow:                        1286 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/25/2026 07 AM PDT            2.48           1382                Not Applicable
  05/25/2026 08 AM PDT            2.49           1389         +      Not Applicable
  05/25/2026 09 AM PDT            2.49           1389         0      Not Applicable
  05/25/2026 10 AM PDT            2.48           1382         -      Not Applicable
  05/25/2026 11 AM PDT            2.49           1389         +      Not Applicable
  05/25/2026 12 PM PDT            2.48           1382         -      Not Applicable
  05/25/2026 01 PM PDT            2.48           1382         0      Not Applicable
  05/25/2026 02 PM PDT            2.49           1389         +      Not Applicable
  05/25/2026 03 PM PDT            2.50           1396         +      Not Applicable
  05/25/2026 04 PM PDT            2.50           1396         0      Not Applicable
  05/25/2026 05 PM PDT            2.49           1389         -      Not Applicable
  05/25/2026 06 PM PDT            2.50           1396         +      Not Applicable
  05/25/2026 07 PM PDT            2.48           1382         -      Not Applicable
  05/25/2026 08 PM PDT            2.48           1382         0      Not Applicable
  05/25/2026 09 PM PDT            2.49           1389         +      Not Applicable
  05/25/2026 10 PM PDT            2.47           1375         -      Not Applicable
  05/25/2026 11 PM PDT            2.48           1382         +      Not Applicable
  05/26/2026 12 AM PDT            2.49           1389         +      Not Applicable
  05/26/2026 01 AM PDT            2.50           1396         +      Not Applicable
  05/26/2026 02 AM PDT            2.49           1389         -      Not Applicable
  05/26/2026 03 AM PDT            2.48           1382         -      Not Applicable
  05/26/2026 04 AM PDT            2.49           1389         +      Not Applicable
  05/26/2026 05 AM PDT            2.49           1389         0      Not Applicable
  05/26/2026 06 AM PDT            2.49           1389         0      Not Applicable
  05/26/2026 07 AM PDT            2.49           1389         0      Not Applicable
  05/26/2026 08 AM PDT            2.49           1389         0      Not Applicable
  05/26/2026 09 AM PDT            2.49           1389         0      Not Applicable
  05/26/2026 10 AM PDT            2.48           1382         -      Not Applicable
  05/26/2026 11 AM PDT            2.49           1389         +      Not Applicable
  05/26/2026 12 PM PDT            2.47           1375         -      Not Applicable
  05/26/2026 01 PM PDT            2.49           1389         +      Not Applicable
  05/26/2026 02 PM PDT            2.49           1389         0      Not Applicable
  05/26/2026 03 PM PDT            2.50           1396         +      Not Applicable
  05/26/2026 04 PM PDT            2.50           1396         0      Not Applicable
  05/26/2026 05 PM PDT            2.48           1382         -      Not Applicable
  05/26/2026 06 PM PDT            2.46           1368         -      Not Applicable
  05/26/2026 07 PM PDT            2.45           1361         -      Not Applicable
  05/26/2026 08 PM PDT            2.45           1361         0      Not Applicable
  05/26/2026 09 PM PDT            2.43           1348         -      Not Applicable
  05/26/2026 10 PM PDT            2.43           1348         0      Not Applicable
  05/26/2026 11 PM PDT            2.41           1334         -      Not Applicable
  05/27/2026 12 AM PDT            2.40           1327         -      Not Applicable
  05/27/2026 01 AM PDT            2.41           1334         +      Not Applicable
  05/27/2026 02 AM PDT            2.40           1327         -      Not Applicable
  05/27/2026 03 AM PDT            2.40           1327         0      Not Applicable
  05/27/2026 04 AM PDT            2.40           1327         0      Not Applicable
  05/27/2026 05 AM PDT            2.41           1334         +      Not Applicable
  05/27/2026 06 AM PDT            2.40           1327         -      Not Applicable
  05/27/2026 07 AM PDT            2.39           1320         -      Not Applicable
  05/27/2026 08 AM PDT            2.40           1327         +      Not Applicable
  05/27/2026 09 AM PDT            2.41           1334         +      Not Applicable
  05/27/2026 10 AM PDT            2.40           1327         -      Not Applicable
  05/27/2026 11 AM PDT            2.41           1334         +      Not Applicable
  05/27/2026 12 PM PDT            2.40           1327         -      Not Applicable
  05/27/2026 01 PM PDT            2.41           1334         +      Not Applicable
  05/27/2026 02 PM PDT            2.41           1334         0      Not Applicable
  05/27/2026 03 PM PDT            2.42           1341         +      Not Applicable
  05/27/2026 04 PM PDT            2.41           1334         -      Not Applicable
  05/27/2026 05 PM PDT            2.39           1320         -      Not Applicable
  05/27/2026 06 PM PDT            2.42           1341         +      Not Applicable
  05/27/2026 07 PM PDT            2.46           1368         +      Not Applicable
  05/27/2026 08 PM PDT            2.50           1396         +      Not Applicable
  05/27/2026 09 PM PDT            2.53           1417         +      Not Applicable
  05/27/2026 10 PM PDT            2.57           1445         +      Not Applicable
  05/27/2026 11 PM PDT            2.57           1445         0      Not Applicable
  05/28/2026 12 AM PDT            2.56           1438         -      Not Applicable
  05/28/2026 01 AM PDT            2.54           1424         -      Not Applicable
  05/28/2026 02 AM PDT            2.53           1417         -      Not Applicable
  05/28/2026 03 AM PDT            2.55           1431         +      Not Applicable
  05/28/2026 04 AM PDT            2.55           1431         0      Not Applicable
  05/28/2026 05 AM PDT            2.52           1410         -      Not Applicable
  05/28/2026 06 AM PDT            2.49           1389         -      Not Applicable
  05/28/2026 07 AM PDT            2.45           1361         -      Not Applicable
  05/28/2026 08 AM PDT            2.44           1354         -      Not Applicable
  05/28/2026 09 AM PDT            2.45           1361         +      Not Applicable
  05/28/2026 10 AM PDT            2.46           1368         +      Not Applicable
  05/28/2026 11 AM PDT            2.45           1361         -      Not Applicable
  05/28/2026 12 PM PDT            2.44           1354         -      Not Applicable
  05/28/2026 01 PM PDT            2.44           1354         0      Not Applicable
  05/28/2026 02 PM PDT            2.44           1354         0      Not Applicable
  05/28/2026 03 PM PDT            2.44           1354         0      Not Applicable
  05/28/2026 04 PM PDT            2.43           1348         -      Not Applicable
  05/28/2026 05 PM PDT            2.43           1348         0      Not Applicable
  05/28/2026 06 PM PDT            2.43           1348         0      Not Applicable
  05/28/2026 07 PM PDT            2.43           1348         0      Not Applicable
  05/28/2026 08 PM PDT            2.44           1354         +      Not Applicable
  05/28/2026 09 PM PDT            2.44           1354         0      Not Applicable
  05/28/2026 10 PM PDT            2.48           1382         +      Not Applicable
  05/28/2026 11 PM PDT            2.50           1396         +      Not Applicable
  05/29/2026 12 AM PDT            2.52           1410         +      Not Applicable
  05/29/2026 01 AM PDT            2.57           1445         +      Not Applicable
  05/29/2026 02 AM PDT            2.59           1460         +      Not Applicable
  05/29/2026 03 AM PDT            2.59           1460         0      Not Applicable
  05/29/2026 04 AM PDT            2.60           1467         +      Not Applicable
  05/29/2026 05 AM PDT            2.61           1474         +      Not Applicable
  05/29/2026 06 AM PDT            2.60           1467         -      Not Applicable
  05/29/2026 07 AM PDT            2.57           1445         -      Not Applicable
  05/29/2026 08 AM PDT            2.55           1431         -      Not Applicable
  05/29/2026 09 AM PDT            2.53           1417         -      Not Applicable
  05/29/2026 10 AM PDT            2.52           1410         -      Not Applicable
  05/29/2026 11 AM PDT            2.51           1403         -      Not Applicable
  05/29/2026 12 PM PDT            2.50           1396         -      Not Applicable
  05/29/2026 01 PM PDT            2.51           1403         +      Not Applicable
  05/29/2026 02 PM PDT            2.50           1396         -      Not Applicable
  05/29/2026 03 PM PDT            2.50           1396         0      Not Applicable
  05/29/2026 04 PM PDT            2.49           1389         -      Not Applicable
  05/29/2026 05 PM PDT            2.48           1382         -      Not Applicable
  05/29/2026 06 PM PDT            2.46           1368         -      Not Applicable
  05/29/2026 07 PM PDT            2.45           1361         -      Not Applicable
  05/29/2026 08 PM PDT            2.47           1375         +      Not Applicable
  05/29/2026 09 PM PDT            2.47           1375         0      Not Applicable
  05/29/2026 10 PM PDT            2.46           1368         -      Not Applicable
  05/29/2026 11 PM PDT            2.45           1361         -      Not Applicable
  05/30/2026 12 AM PDT            2.42           1341         -      Not Applicable
  05/30/2026 01 AM PDT            2.38           1313         -      Not Applicable
  05/30/2026 02 AM PDT            2.35           1293         -      Not Applicable
  05/30/2026 03 AM PDT            2.34           1286         -      Not Applicable
  05/30/2026 04 AM PDT            2.33           1280         -      Not Applicable
  05/30/2026 05 AM PDT            2.35           1293         +      Not Applicable
  05/30/2026 06 AM PDT            2.35           1293         0      Not Applicable
  05/30/2026 07 AM PDT            2.34           1286         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/30/2026 08 AM PDT            2.34           1286                Not Applicable
  05/30/2026 09 AM PDT            2.33           1280         -      Not Applicable
  05/30/2026 10 AM PDT            2.33           1280         0      Not Applicable
  05/30/2026 11 AM PDT            2.32           1273         -      Not Applicable
  05/30/2026 12 PM PDT            2.31           1266         -      Not Applicable
  05/30/2026 01 PM PDT            2.31           1266         0      Not Applicable
  05/30/2026 02 PM PDT            2.30           1260         -      Not Applicable
  05/30/2026 03 PM PDT            2.29           1253         -      Not Applicable
  05/30/2026 04 PM PDT            2.28           1246         -      Not Applicable
  05/30/2026 05 PM PDT            2.27           1240         -      Not Applicable
  05/30/2026 06 PM PDT            2.26           1233         -      Not Applicable
  05/30/2026 07 PM PDT            2.25           1227         -      Not Applicable
  05/30/2026 08 PM PDT            2.24           1220         -      Not Applicable
  05/30/2026 09 PM PDT            2.23           1214         -      Not Applicable
  05/30/2026 10 PM PDT            2.23           1214         0      Not Applicable
  05/30/2026 11 PM PDT            2.22           1207         -      Not Applicable
  05/31/2026 12 AM PDT            2.21           1201         -      Not Applicable
  05/31/2026 01 AM PDT            2.20           1194         -      Not Applicable
  05/31/2026 02 AM PDT            2.19           1188         -      Not Applicable
  05/31/2026 03 AM PDT            2.19           1188         0      Not Applicable
  05/31/2026 04 AM PDT            2.18           1181         -      Not Applicable
  05/31/2026 05 AM PDT            2.17           1175         -      Not Applicable
  05/31/2026 06 AM PDT            2.16           1168         -      Not Applicable
  05/31/2026 07 AM PDT            2.16           1168         0      Not Applicable
  05/31/2026 08 AM PDT            2.15           1162         -      Not Applicable
  05/31/2026 09 AM PDT            2.15           1162         0      Not Applicable
  05/31/2026 10 AM PDT            2.14           1156         -      Not Applicable
  05/31/2026 11 AM PDT            2.14           1156         0      Not Applicable
  05/31/2026 12 PM PDT            2.13           1149         -      Not Applicable
  05/31/2026 01 PM PDT            2.13           1149         0      Not Applicable
  05/31/2026 02 PM PDT            2.13           1149         0      Not Applicable
  05/31/2026 03 PM PDT            2.12           1143         -      Not Applicable
  05/31/2026 04 PM PDT            2.12           1143         0      Not Applicable
  05/31/2026 05 PM PDT            2.12           1143         0      Not Applicable
  05/31/2026 06 PM PDT            2.11           1137         -      Not Applicable
  05/31/2026 07 PM PDT            2.11           1137         0      Not Applicable
  05/31/2026 08 PM PDT            2.11           1137         0      Not Applicable
  05/31/2026 09 PM PDT            2.11           1137         0      Not Applicable
  05/31/2026 10 PM PDT            2.10           1130         -      Not Applicable
  05/31/2026 11 PM PDT            2.10           1130         0      Not Applicable
  06/01/2026 12 AM PDT            2.10           1130         0      Not Applicable
  06/01/2026 01 AM PDT            2.10           1130         0      Not Applicable
  06/01/2026 02 AM PDT            2.09           1124         -      Not Applicable
  06/01/2026 03 AM PDT            2.09           1124         0      Not Applicable
  06/01/2026 04 AM PDT            2.09           1124         0      Not Applicable
  06/01/2026 05 AM PDT            2.08           1119         -      Not Applicable
  06/01/2026 06 AM PDT            2.08           1119         0      Not Applicable
  06/01/2026 07 AM PDT            2.08           1119         0      Not Applicable
  06/01/2026 08 AM PDT            2.08           1119         0      Not Applicable
  06/01/2026 09 AM PDT            2.07           1113         -      Not Applicable
  06/01/2026 10 AM PDT            2.07           1113         0      Not Applicable
  06/01/2026 11 AM PDT            2.07           1113         0      Not Applicable
  06/01/2026 12 PM PDT            2.06           1107         -      Not Applicable
  06/01/2026 01 PM PDT            2.06           1107         0      Not Applicable
  06/01/2026 02 PM PDT            2.06           1107         0      Not Applicable
  06/01/2026 03 PM PDT            2.06           1107         0      Not Applicable
  06/01/2026 04 PM PDT            2.06           1107         0      Not Applicable
  06/01/2026 05 PM PDT            2.06           1107         0      Not Applicable
  06/01/2026 06 PM PDT            2.05           1101         -      Not Applicable
  06/01/2026 07 PM PDT            2.05           1101         0      Not Applicable
  06/01/2026 08 PM PDT            2.05           1101         0      Not Applicable
  06/01/2026 09 PM PDT            2.05           1101         0      Not Applicable
  06/01/2026 10 PM PDT            2.04           1095         -      Not Applicable
  06/01/2026 11 PM PDT            2.04           1095         0      Not Applicable
  06/02/2026 12 AM PDT            2.04           1095         0      Not Applicable
  06/02/2026 01 AM PDT            2.04           1095         0      Not Applicable
  06/02/2026 02 AM PDT            2.04           1095         0      Not Applicable
  06/02/2026 03 AM PDT            2.03           1089         -      Not Applicable
  06/02/2026 04 AM PDT            2.03           1089         0      Not Applicable
  06/02/2026 05 AM PDT            2.03           1089         0      Not Applicable
  06/02/2026 06 AM PDT            2.03           1089         0      Not Applicable
  06/02/2026 07 AM PDT            2.02           1083         -      Not Applicable
  06/02/2026 08 AM PDT            2.02           1083         0      Not Applicable
  06/02/2026 09 AM PDT            2.02           1083         0      Not Applicable
  06/02/2026 10 AM PDT            2.02           1083         0      Not Applicable
  06/02/2026 11 AM PDT            2.01           1078         -      Not Applicable
  06/02/2026 12 PM PDT            2.01           1078         0      Not Applicable
  06/02/2026 01 PM PDT            2.01           1078         0      Not Applicable
  06/02/2026 02 PM PDT            2.01           1078         0      Not Applicable
  06/02/2026 03 PM PDT            2.00           1072         -      Not Applicable
  06/02/2026 04 PM PDT            2.00           1072         0      Not Applicable
  06/02/2026 05 PM PDT            2.00           1072         0      Not Applicable
  06/02/2026 06 PM PDT            2.00           1072         0      Not Applicable
  06/02/2026 07 PM PDT            2.00           1072         0      Not Applicable
  06/02/2026 08 PM PDT            1.99           1066         -      Not Applicable
  06/02/2026 09 PM PDT            1.99           1066         0      Not Applicable
  06/02/2026 10 PM PDT            1.99           1066         0      Not Applicable
  06/02/2026 11 PM PDT            1.99           1066         0      Not Applicable
  06/03/2026 12 AM PDT            1.99           1066         0      Not Applicable
  06/03/2026 01 AM PDT            1.99           1066         0      Not Applicable
  06/03/2026 02 AM PDT            1.98           1060         -      Not Applicable
  06/03/2026 03 AM PDT            1.98           1060         0      Not Applicable
  06/03/2026 04 AM PDT            1.98           1060         0      Not Applicable
  06/03/2026 05 AM PDT            1.97           1055         -      Not Applicable
  06/03/2026 06 AM PDT            1.97           1055         0      Not Applicable
  06/03/2026 07 AM PDT            1.97           1055         0      Not Applicable
  06/03/2026 08 AM PDT            1.97           1055         0      Not Applicable
  06/03/2026 09 AM PDT            1.96           1049         -      Not Applicable
  06/03/2026 10 AM PDT            1.96           1049         0      Not Applicable
  06/03/2026 11 AM PDT            1.96           1049         0      Not Applicable
  06/03/2026 12 PM PDT            1.96           1049         0      Not Applicable
  06/03/2026 01 PM PDT            1.95           1043         -      Not Applicable
  06/03/2026 02 PM PDT            1.95           1043         0      Not Applicable
  06/03/2026 03 PM PDT            1.95           1043         0      Not Applicable
  06/03/2026 04 PM PDT            1.95           1043         0      Not Applicable
  06/03/2026 05 PM PDT            1.95           1043         0      Not Applicable
  06/03/2026 06 PM PDT            1.95           1043         0      Not Applicable
  06/03/2026 07 PM PDT            1.94           1038         -      Not Applicable
  06/03/2026 08 PM PDT            1.94           1038         0      Not Applicable
  06/03/2026 09 PM PDT            1.94           1038         0      Not Applicable
  06/03/2026 10 PM PDT            1.94           1038         0      Not Applicable
  06/03/2026 11 PM PDT            1.94           1038         0      Not Applicable
  06/04/2026 12 AM PDT            1.94           1038         0      Not Applicable
  06/04/2026 01 AM PDT            1.93           1032         -      Not Applicable
  06/04/2026 02 AM PDT            1.93           1032         0      Not Applicable
  06/04/2026 03 AM PDT            1.93           1032         0      Not Applicable
  06/04/2026 04 AM PDT            1.93           1032         0      Not Applicable
  06/04/2026 05 AM PDT            1.92           1026         -      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.