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KLAMATH RIVER - IRON GATE (IRGC1)
| Latitude: 41.93º N | Longitude: 122.44º W | Elevation: 2162 Feet | | Forecast Type: Unofficial Location |
| Location: Siskiyou County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | May 30 2026 at 7:57 AM PDT | Next 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.
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