National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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KLAMATH RIVER - IRON GATE (IRGC1)
Latitude: 41.93º NLongitude: 122.44º WElevation: 2162 Feet
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 14 2025 at 7:27 AM PDTNext Issuance: Jun 15 2025 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:  06/14/2025 at 07:28 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/10/2025 at 06:00 PM PDT
# Maximum Observed Stage:                       2.42 Feet
# Maximum Observed Flow:                        1393 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/14/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.29 Feet
# Maximum Forecast Flow:                        1309 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/09/2025 07 AM PDT            2.37           1360                Not Applicable
  06/09/2025 08 AM PDT            2.38           1367         +      Not Applicable
  06/09/2025 09 AM PDT            2.38           1367         0      Not Applicable
  06/09/2025 10 AM PDT            2.39           1373         +      Not Applicable
  06/09/2025 11 AM PDT            2.38           1367         -      Not Applicable
  06/09/2025 12 PM PDT            2.38           1367         0      Not Applicable
  06/09/2025 01 PM PDT            2.39           1373         +      Not Applicable
  06/09/2025 02 PM PDT            2.39           1373         0      Not Applicable
  06/09/2025 03 PM PDT            2.38           1367         -      Not Applicable
  06/09/2025 04 PM PDT            2.39           1373         +      Not Applicable
  06/09/2025 05 PM PDT            2.38           1367         -      Not Applicable
  06/09/2025 06 PM PDT            2.39           1373         +      Not Applicable
  06/09/2025 07 PM PDT            2.40           1380         +      Not Applicable
  06/09/2025 08 PM PDT            2.38           1367         -      Not Applicable
  06/09/2025 09 PM PDT            2.38           1367         0      Not Applicable
  06/09/2025 10 PM PDT            2.37           1360         -      Not Applicable
  06/09/2025 11 PM PDT            2.37           1360         0      Not Applicable
  06/10/2025 12 AM PDT            2.36           1354         -      Not Applicable
  06/10/2025 01 AM PDT            2.37           1360         +      Not Applicable
  06/10/2025 02 AM PDT            2.37           1360         0      Not Applicable
  06/10/2025 03 AM PDT            2.37           1360         0      Not Applicable
  06/10/2025 04 AM PDT            2.37           1360         0      Not Applicable
  06/10/2025 05 AM PDT            2.37           1360         0      Not Applicable
  06/10/2025 06 AM PDT            2.38           1367         +      Not Applicable
  06/10/2025 07 AM PDT            2.39           1373         +      Not Applicable
  06/10/2025 08 AM PDT            2.38           1367         -      Not Applicable
  06/10/2025 09 AM PDT            2.37           1360         -      Not Applicable
  06/10/2025 10 AM PDT            2.39           1373         +      Not Applicable
  06/10/2025 11 AM PDT            2.38           1367         -      Not Applicable
  06/10/2025 12 PM PDT            2.38           1367         0      Not Applicable
  06/10/2025 01 PM PDT            2.38           1367         0      Not Applicable
  06/10/2025 02 PM PDT            2.39           1373         +      Not Applicable
  06/10/2025 03 PM PDT            2.38           1367         -      Not Applicable
  06/10/2025 04 PM PDT            2.37           1360         -      Not Applicable
  06/10/2025 05 PM PDT            2.37           1360         0      Not Applicable
  06/10/2025 06 PM PDT            2.42           1393         +      Not Applicable
  06/10/2025 07 PM PDT            2.40           1380         -      Not Applicable
  06/10/2025 08 PM PDT            2.39           1373         -      Not Applicable
  06/10/2025 09 PM PDT            2.37           1360         -      Not Applicable
  06/10/2025 10 PM PDT            2.40           1380         +      Not Applicable
  06/10/2025 11 PM PDT            2.38           1367         -      Not Applicable
  06/11/2025 12 AM PDT            2.39           1373         +      Not Applicable
  06/11/2025 01 AM PDT            2.37           1360         -      Not Applicable
  06/11/2025 02 AM PDT            2.36           1354         -      Not Applicable
  06/11/2025 03 AM PDT            2.37           1360         +      Not Applicable
  06/11/2025 04 AM PDT            2.37           1360         0      Not Applicable
  06/11/2025 05 AM PDT            2.37           1360         0      Not Applicable
  06/11/2025 06 AM PDT            2.36           1354         -      Not Applicable
  06/11/2025 07 AM PDT            2.37           1360         +      Not Applicable
  06/11/2025 08 AM PDT            2.37           1360         0      Not Applicable
  06/11/2025 09 AM PDT            2.37           1360         0      Not Applicable
  06/11/2025 10 AM PDT            2.37           1360         0      Not Applicable
  06/11/2025 11 AM PDT            2.39           1373         +      Not Applicable
  06/11/2025 12 PM PDT            2.38           1367         -      Not Applicable
  06/11/2025 01 PM PDT            2.39           1373         +      Not Applicable
  06/11/2025 02 PM PDT            2.37           1360         -      Not Applicable
  06/11/2025 03 PM PDT            2.37           1360         0      Not Applicable
  06/11/2025 04 PM PDT            2.36           1354         -      Not Applicable
  06/11/2025 05 PM PDT            2.36           1354         0      Not Applicable
  06/11/2025 06 PM PDT            2.36           1354         0      Not Applicable
  06/11/2025 07 PM PDT            2.35           1347         -      Not Applicable
  06/11/2025 08 PM PDT            2.35           1347         0      Not Applicable
  06/11/2025 09 PM PDT            2.34           1341         -      Not Applicable
  06/11/2025 10 PM PDT            2.36           1354         +      Not Applicable
  06/11/2025 11 PM PDT            2.35           1347         -      Not Applicable
  06/12/2025 12 AM PDT            2.36           1354         +      Not Applicable
  06/12/2025 01 AM PDT            2.34           1341         -      Not Applicable
  06/12/2025 02 AM PDT            2.35           1347         +      Not Applicable
  06/12/2025 03 AM PDT            2.34           1341         -      Not Applicable
  06/12/2025 04 AM PDT            2.34           1341         0      Not Applicable
  06/12/2025 05 AM PDT            2.35           1347         +      Not Applicable
  06/12/2025 06 AM PDT            2.34           1341         -      Not Applicable
  06/12/2025 07 AM PDT            2.34           1341         0      Not Applicable
  06/12/2025 08 AM PDT            2.35           1347         +      Not Applicable
  06/12/2025 09 AM PDT            2.34           1341         -      Not Applicable
  06/12/2025 10 AM PDT            2.35           1347         +      Not Applicable
  06/12/2025 11 AM PDT            2.37           1360         +      Not Applicable
  06/12/2025 12 PM PDT            2.35           1347         -      Not Applicable
  06/12/2025 01 PM PDT            2.35           1347         0      Not Applicable
  06/12/2025 02 PM PDT            2.36           1354         +      Not Applicable
  06/12/2025 03 PM PDT            2.35           1347         -      Not Applicable
  06/12/2025 04 PM PDT            2.37           1360         +      Not Applicable
  06/12/2025 05 PM PDT            2.36           1354         -      Not Applicable
  06/12/2025 06 PM PDT            2.35           1347         -      Not Applicable
  06/12/2025 07 PM PDT            2.35           1347         0      Not Applicable
  06/12/2025 08 PM PDT            2.33           1334         -      Not Applicable
  06/12/2025 09 PM PDT            2.31           1321         -      Not Applicable
  06/12/2025 10 PM PDT            2.29           1309         -      Not Applicable
  06/12/2025 11 PM PDT            2.29           1309         0      Not Applicable
  06/13/2025 12 AM PDT            2.28           1302         -      Not Applicable
  06/13/2025 01 AM PDT            2.29           1309         +      Not Applicable
  06/13/2025 02 AM PDT            2.28           1302         -      Not Applicable
  06/13/2025 03 AM PDT            2.29           1309         +      Not Applicable
  06/13/2025 04 AM PDT            2.30           1315         +      Not Applicable
  06/13/2025 05 AM PDT            2.29           1309         -      Not Applicable
  06/13/2025 06 AM PDT            2.30           1315         +      Not Applicable
  06/13/2025 07 AM PDT            2.29           1309         -      Not Applicable
  06/13/2025 08 AM PDT            2.29           1309         0      Not Applicable
  06/13/2025 09 AM PDT            2.30           1315         +      Not Applicable
  06/13/2025 10 AM PDT            2.29           1309         -      Not Applicable
  06/13/2025 11 AM PDT            2.30           1315         +      Not Applicable
  06/13/2025 12 PM PDT            2.29           1309         -      Not Applicable
  06/13/2025 01 PM PDT            2.30           1315         +      Not Applicable
  06/13/2025 02 PM PDT            2.30           1315         0      Not Applicable
  06/13/2025 03 PM PDT            2.29           1309         -      Not Applicable
  06/13/2025 04 PM PDT            2.31           1321         +      Not Applicable
  06/13/2025 05 PM PDT            2.30           1315         -      Not Applicable
  06/13/2025 06 PM PDT            2.29           1309         -      Not Applicable
  06/13/2025 07 PM PDT            2.29           1309         0      Not Applicable
  06/13/2025 08 PM PDT            2.29           1309         0      Not Applicable
  06/13/2025 09 PM PDT            2.29           1309         0      Not Applicable
  06/13/2025 10 PM PDT            2.28           1302         -      Not Applicable
  06/13/2025 11 PM PDT            2.28           1302         0      Not Applicable
  06/14/2025 12 AM PDT            2.28           1302         0      Not Applicable
  06/14/2025 01 AM PDT            2.28           1302         0      Not Applicable
  06/14/2025 02 AM PDT            2.28           1302         0      Not Applicable
  06/14/2025 03 AM PDT            2.29           1309         +      Not Applicable
  06/14/2025 04 AM PDT            2.29           1309         0      Not Applicable
  06/14/2025 05 AM PDT            2.29           1309         0      Not Applicable
  06/14/2025 06 AM PDT            2.29           1309         0      Not Applicable
  06/14/2025 07 AM PDT            2.29           1309         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/14/2025 08 AM PDT            2.29           1309                Not Applicable
  06/14/2025 09 AM PDT            2.29           1309         0      Not Applicable
  06/14/2025 10 AM PDT            2.29           1309         0      Not Applicable
  06/14/2025 11 AM PDT            2.29           1309         0      Not Applicable
  06/14/2025 12 PM PDT            2.28           1302         -      Not Applicable
  06/14/2025 01 PM PDT            2.28           1302         0      Not Applicable
  06/14/2025 02 PM PDT            2.28           1302         0      Not Applicable
  06/14/2025 03 PM PDT            2.28           1302         0      Not Applicable
  06/14/2025 04 PM PDT            2.28           1302         0      Not Applicable
  06/14/2025 05 PM PDT            2.28           1302         0      Not Applicable
  06/14/2025 06 PM PDT            2.27           1296         -      Not Applicable
  06/14/2025 07 PM PDT            2.27           1296         0      Not Applicable
  06/14/2025 08 PM PDT            2.27           1296         0      Not Applicable
  06/14/2025 09 PM PDT            2.27           1296         0      Not Applicable
  06/14/2025 10 PM PDT            2.26           1290         -      Not Applicable
  06/14/2025 11 PM PDT            2.26           1290         0      Not Applicable
  06/15/2025 12 AM PDT            2.26           1290         0      Not Applicable
  06/15/2025 01 AM PDT            2.26           1290         0      Not Applicable
  06/15/2025 02 AM PDT            2.25           1283         -      Not Applicable
  06/15/2025 03 AM PDT            2.25           1283         0      Not Applicable
  06/15/2025 04 AM PDT            2.25           1283         0      Not Applicable
  06/15/2025 05 AM PDT            2.25           1283         0      Not Applicable
  06/15/2025 06 AM PDT            2.24           1277         -      Not Applicable
  06/15/2025 07 AM PDT            2.24           1277         0      Not Applicable
  06/15/2025 08 AM PDT            2.24           1277         0      Not Applicable
  06/15/2025 09 AM PDT            2.24           1277         0      Not Applicable
  06/15/2025 10 AM PDT            2.23           1271         -      Not Applicable
  06/15/2025 11 AM PDT            2.23           1271         0      Not Applicable
  06/15/2025 12 PM PDT            2.23           1271         0      Not Applicable
  06/15/2025 01 PM PDT            2.23           1271         0      Not Applicable
  06/15/2025 02 PM PDT            2.23           1271         0      Not Applicable
  06/15/2025 03 PM PDT            2.23           1271         0      Not Applicable
  06/15/2025 04 PM PDT            2.23           1271         0      Not Applicable
  06/15/2025 05 PM PDT            2.23           1271         0      Not Applicable
  06/15/2025 06 PM PDT            2.22           1264         -      Not Applicable
  06/15/2025 07 PM PDT            2.22           1264         0      Not Applicable
  06/15/2025 08 PM PDT            2.22           1264         0      Not Applicable
  06/15/2025 09 PM PDT            2.22           1264         0      Not Applicable
  06/15/2025 10 PM PDT            2.22           1264         0      Not Applicable
  06/15/2025 11 PM PDT            2.22           1264         0      Not Applicable
  06/16/2025 12 AM PDT            2.22           1264         0      Not Applicable
  06/16/2025 01 AM PDT            2.22           1264         0      Not Applicable
  06/16/2025 02 AM PDT            2.22           1264         0      Not Applicable
  06/16/2025 03 AM PDT            2.21           1258         -      Not Applicable
  06/16/2025 04 AM PDT            2.21           1258         0      Not Applicable
  06/16/2025 05 AM PDT            2.21           1258         0      Not Applicable
  06/16/2025 06 AM PDT            2.21           1258         0      Not Applicable
  06/16/2025 07 AM PDT            2.21           1258         0      Not Applicable
  06/16/2025 08 AM PDT            2.21           1258         0      Not Applicable
  06/16/2025 09 AM PDT            2.20           1252         -      Not Applicable
  06/16/2025 10 AM PDT            2.20           1252         0      Not Applicable
  06/16/2025 11 AM PDT            2.20           1252         0      Not Applicable
  06/16/2025 12 PM PDT            2.20           1252         0      Not Applicable
  06/16/2025 01 PM PDT            2.20           1252         0      Not Applicable
  06/16/2025 02 PM PDT            2.20           1252         0      Not Applicable
  06/16/2025 03 PM PDT            2.20           1252         0      Not Applicable
  06/16/2025 04 PM PDT            2.20           1252         0      Not Applicable
  06/16/2025 05 PM PDT            2.20           1252         0      Not Applicable
  06/16/2025 06 PM PDT            2.19           1246         -      Not Applicable
  06/16/2025 07 PM PDT            2.19           1246         0      Not Applicable
  06/16/2025 08 PM PDT            2.19           1246         0      Not Applicable
  06/16/2025 09 PM PDT            2.19           1246         0      Not Applicable
  06/16/2025 10 PM PDT            2.19           1246         0      Not Applicable
  06/16/2025 11 PM PDT            2.19           1246         0      Not Applicable
  06/17/2025 12 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 01 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 02 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 03 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 04 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 05 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 06 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 07 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 08 AM PDT            2.19           1246         0      Not Applicable
  06/17/2025 09 AM PDT            2.18           1239         -      Not Applicable
  06/17/2025 10 AM PDT            2.18           1239         0      Not Applicable
  06/17/2025 11 AM PDT            2.18           1239         0      Not Applicable
  06/17/2025 12 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 01 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 02 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 03 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 04 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 05 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 06 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 07 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 08 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 09 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 10 PM PDT            2.18           1239         0      Not Applicable
  06/17/2025 11 PM PDT            2.18           1239         0      Not Applicable
  06/18/2025 12 AM PDT            2.18           1239         0      Not Applicable
  06/18/2025 01 AM PDT            2.18           1239         0      Not Applicable
  06/18/2025 02 AM PDT            2.18           1239         0      Not Applicable
  06/18/2025 03 AM PDT            2.18           1239         0      Not Applicable
  06/18/2025 04 AM PDT            2.17           1233         -      Not Applicable
  06/18/2025 05 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 06 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 07 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 08 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 09 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 10 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 11 AM PDT            2.17           1233         0      Not Applicable
  06/18/2025 12 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 01 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 02 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 03 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 04 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 05 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 06 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 07 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 08 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 09 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 10 PM PDT            2.17           1233         0      Not Applicable
  06/18/2025 11 PM PDT            2.17           1233         0      Not Applicable
  06/19/2025 12 AM PDT            2.17           1233         0      Not Applicable
  06/19/2025 01 AM PDT            2.17           1233         0      Not Applicable
  06/19/2025 02 AM PDT            2.17           1233         0      Not Applicable
  06/19/2025 03 AM PDT            2.16           1227         -      Not Applicable
  06/19/2025 04 AM PDT            2.16           1227         0      Not Applicable
  06/19/2025 05 AM PDT            2.16           1227         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.