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 03 2026 at 1:03 PM PSTNext Issuance: Mar 04 2026 at 9:00 AM PST
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:  03/03/2026 at 01:05 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/26/2026 at 01:00 PM PST
# Maximum Observed Stage:                       3.95 Feet
# Maximum Observed Flow:                        2568 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/04/2026 at 10:00 PM PST
# Maximum Forecast Stage:                       2.57 Feet
# Maximum Forecast Flow:                        1445 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/26/2026 01 PM PST            3.95           2568                Not Applicable
  02/26/2026 02 PM PST            3.94           2559         -      Not Applicable
  02/26/2026 03 PM PST            3.92           2543         -      Not Applicable
  02/26/2026 04 PM PST            3.92           2543         0      Not Applicable
  02/26/2026 05 PM PST            3.87           2501         -      Not Applicable
  02/26/2026 06 PM PST            3.82           2460         -      Not Applicable
  02/26/2026 07 PM PST            3.79           2436         -      Not Applicable
  02/26/2026 08 PM PST            3.79           2436         0      Not Applicable
  02/26/2026 09 PM PST            3.75           2403         -      Not Applicable
  02/26/2026 10 PM PST            3.70           2363         -      Not Applicable
  02/26/2026 11 PM PST            3.66           2327         -      Not Applicable
  02/27/2026 12 AM PST            3.66           2327         0      Not Applicable
  02/27/2026 01 AM PST            3.64           2309         -      Not Applicable
  02/27/2026 02 AM PST            3.64           2309         0      Not Applicable
  02/27/2026 03 AM PST            3.64           2309         0      Not Applicable
  02/27/2026 04 AM PST            3.61           2282         -      Not Applicable
  02/27/2026 05 AM PST            3.58           2255         -      Not Applicable
  02/27/2026 06 AM PST            3.56           2237         -      Not Applicable
  02/27/2026 07 AM PST            3.50           2184         -      Not Applicable
  02/27/2026 08 AM PST            3.47           2158         -      Not Applicable
  02/27/2026 09 AM PST            3.46           2149         -      Not Applicable
  02/27/2026 10 AM PST            3.39           2089         -      Not Applicable
  02/27/2026 11 AM PST            3.38           2080         -      Not Applicable
  02/27/2026 12 PM PST            3.38           2080         0      Not Applicable
  02/27/2026 01 PM PST            3.38           2080         0      Not Applicable
  02/27/2026 02 PM PST            3.37           2072         -      Not Applicable
  02/27/2026 03 PM PST            3.36           2063         -      Not Applicable
  02/27/2026 04 PM PST            3.34           2046         -      Not Applicable
  02/27/2026 05 PM PST            3.27           1987         -      Not Applicable
  02/27/2026 06 PM PST            3.25           1971         -      Not Applicable
  02/27/2026 07 PM PST            3.23           1954         -      Not Applicable
  02/27/2026 08 PM PST            3.21           1937         -      Not Applicable
  02/27/2026 09 PM PST            3.22           1946         +      Not Applicable
  02/27/2026 10 PM PST            3.19           1921         -      Not Applicable
  02/27/2026 11 PM PST            3.14           1880         -      Not Applicable
  02/28/2026 12 AM PST            3.13           1872         -      Not Applicable
  02/28/2026 01 AM PST            3.12           1864         -      Not Applicable
  02/28/2026 02 AM PST            3.10           1848         -      Not Applicable
  02/28/2026 03 AM PST            3.08           1832         -      Not Applicable
  02/28/2026 04 AM PST            3.07           1824         -      Not Applicable
  02/28/2026 05 AM PST            3.09           1840         +      Not Applicable
  02/28/2026 06 AM PST            3.06           1816         -      Not Applicable
  02/28/2026 07 AM PST            3.06           1816         0      Not Applicable
  02/28/2026 08 AM PST            3.07           1824         +      Not Applicable
  02/28/2026 09 AM PST            3.06           1816         -      Not Applicable
  02/28/2026 10 AM PST            3.06           1816         0      Not Applicable
  02/28/2026 11 AM PST            3.06           1816         0      Not Applicable
  02/28/2026 12 PM PST            3.06           1816         0      Not Applicable
  02/28/2026 01 PM PST            3.06           1816         0      Not Applicable
  02/28/2026 02 PM PST            3.08           1832         +      Not Applicable
  02/28/2026 03 PM PST            3.08           1832         0      Not Applicable
  02/28/2026 04 PM PST            3.07           1824         -      Not Applicable
  02/28/2026 05 PM PST            3.09           1840         +      Not Applicable
  02/28/2026 06 PM PST            3.05           1808         -      Not Applicable
  02/28/2026 07 PM PST            3.04           1800         -      Not Applicable
  02/28/2026 08 PM PST            3.04           1800         0      Not Applicable
  02/28/2026 09 PM PST            3.05           1808         +      Not Applicable
  02/28/2026 10 PM PST            3.01           1776         -      Not Applicable
  02/28/2026 11 PM PST            2.96           1737         -      Not Applicable
  03/01/2026 12 AM PST            2.97           1744         +      Not Applicable
  03/01/2026 01 AM PST            2.97           1744         0      Not Applicable
  03/01/2026 02 AM PST            2.96           1737         -      Not Applicable
  03/01/2026 03 AM PST            2.92           1706         -      Not Applicable
  03/01/2026 04 AM PST            2.89           1682         -      Not Applicable
  03/01/2026 05 AM PST            2.89           1682         0      Not Applicable
  03/01/2026 06 AM PST            2.89           1682         0      Not Applicable
  03/01/2026 07 AM PST            2.88           1675         -      Not Applicable
  03/01/2026 08 AM PST            2.86           1659         -      Not Applicable
  03/01/2026 09 AM PST            2.89           1682         +      Not Applicable
  03/01/2026 10 AM PST            2.87           1667         -      Not Applicable
  03/01/2026 11 AM PST            2.87           1667         0      Not Applicable
  03/01/2026 12 PM PST            2.87           1667         0      Not Applicable
  03/01/2026 01 PM PST            2.85           1652         -      Not Applicable
  03/01/2026 02 PM PST            2.86           1659         +      Not Applicable
  03/01/2026 03 PM PST            2.86           1659         0      Not Applicable
  03/01/2026 04 PM PST            2.87           1667         +      Not Applicable
  03/01/2026 05 PM PST            2.89           1682         +      Not Applicable
  03/01/2026 06 PM PST            2.86           1659         -      Not Applicable
  03/01/2026 07 PM PST            2.90           1690         +      Not Applicable
  03/01/2026 08 PM PST            2.92           1706         +      Not Applicable
  03/01/2026 09 PM PST            2.93           1713         +      Not Applicable
  03/01/2026 10 PM PST            2.96           1737         +      Not Applicable
  03/01/2026 11 PM PST            2.93           1713         -      Not Applicable
  03/02/2026 12 AM PST            2.90           1690         -      Not Applicable
  03/02/2026 01 AM PST            2.89           1682         -      Not Applicable
  03/02/2026 02 AM PST            2.88           1675         -      Not Applicable
  03/02/2026 03 AM PST            2.87           1667         -      Not Applicable
  03/02/2026 04 AM PST            2.85           1652         -      Not Applicable
  03/02/2026 05 AM PST            2.83           1637         -      Not Applicable
  03/02/2026 06 AM PST            2.81           1621         -      Not Applicable
  03/02/2026 07 AM PST            2.82           1629         +      Not Applicable
  03/02/2026 08 AM PST            2.82           1629         0      Not Applicable
  03/02/2026 09 AM PST            2.80           1614         -      Not Applicable
  03/02/2026 10 AM PST            2.78           1599         -      Not Applicable
  03/02/2026 11 AM PST            2.79           1606         +      Not Applicable
  03/02/2026 12 PM PST            2.77           1591         -      Not Applicable
  03/02/2026 01 PM PST            2.78           1599         +      Not Applicable
  03/02/2026 02 PM PST            2.77           1591         -      Not Applicable
  03/02/2026 03 PM PST            2.78           1599         +      Not Applicable
  03/02/2026 04 PM PST            2.77           1591         -      Not Applicable
  03/02/2026 05 PM PST            2.77           1591         0      Not Applicable
  03/02/2026 06 PM PST            2.75           1577         -      Not Applicable
  03/02/2026 07 PM PST            2.70           1540         -      Not Applicable
  03/02/2026 08 PM PST            2.67           1518         -      Not Applicable
  03/02/2026 09 PM PST            2.67           1518         0      Not Applicable
  03/02/2026 10 PM PST            2.67           1518         0      Not Applicable
  03/02/2026 11 PM PST            2.64           1496         -      Not Applicable
  03/03/2026 12 AM PST            2.62           1481         -      Not Applicable
  03/03/2026 01 AM PST            2.60           1467         -      Not Applicable
  03/03/2026 02 AM PST            2.52           1410         -      Not Applicable
  03/03/2026 03 AM PST            2.50           1396         -      Not Applicable
  03/03/2026 04 AM PST            2.50           1396         0      Not Applicable
  03/03/2026 05 AM PST            2.49           1389         -      Not Applicable
  03/03/2026 06 AM PST            2.50           1396         +      Not Applicable
  03/03/2026 07 AM PST            2.47           1375         -      Not Applicable
  03/03/2026 08 AM PST            2.48           1382         +      Not Applicable
  03/03/2026 09 AM PST            2.47           1375         -      Not Applicable
  03/03/2026 10 AM PST            2.48           1382         +      Not Applicable
  03/03/2026 11 AM PST            2.47           1375         -      Not Applicable
  03/03/2026 12 PM PST            2.47           1375         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/03/2026 01 PM PST            2.46           1368                Not Applicable
  03/03/2026 02 PM PST            2.46           1368         0      Not Applicable
  03/03/2026 03 PM PST            2.46           1368         0      Not Applicable
  03/03/2026 04 PM PST            2.46           1368         0      Not Applicable
  03/03/2026 05 PM PST            2.46           1368         0      Not Applicable
  03/03/2026 06 PM PST            2.46           1368         0      Not Applicable
  03/03/2026 07 PM PST            2.45           1361         -      Not Applicable
  03/03/2026 08 PM PST            2.45           1361         0      Not Applicable
  03/03/2026 09 PM PST            2.45           1361         0      Not Applicable
  03/03/2026 10 PM PST            2.44           1354         -      Not Applicable
  03/03/2026 11 PM PST            2.44           1354         0      Not Applicable
  03/04/2026 12 AM PST            2.44           1354         0      Not Applicable
  03/04/2026 01 AM PST            2.44           1354         0      Not Applicable
  03/04/2026 02 AM PST            2.44           1354         0      Not Applicable
  03/04/2026 03 AM PST            2.43           1348         -      Not Applicable
  03/04/2026 04 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 05 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 06 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 07 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 08 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 09 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 10 AM PST            2.43           1348         0      Not Applicable
  03/04/2026 11 AM PST            2.44           1354         +      Not Applicable
  03/04/2026 12 PM PST            2.44           1354         0      Not Applicable
  03/04/2026 01 PM PST            2.45           1361         +      Not Applicable
  03/04/2026 02 PM PST            2.45           1361         0      Not Applicable
  03/04/2026 03 PM PST            2.46           1368         +      Not Applicable
  03/04/2026 04 PM PST            2.48           1382         +      Not Applicable
  03/04/2026 05 PM PST            2.50           1396         +      Not Applicable
  03/04/2026 06 PM PST            2.52           1410         +      Not Applicable
  03/04/2026 07 PM PST            2.54           1424         +      Not Applicable
  03/04/2026 08 PM PST            2.55           1431         +      Not Applicable
  03/04/2026 09 PM PST            2.56           1438         +      Not Applicable
  03/04/2026 10 PM PST            2.57           1445         +      Not Applicable
  03/04/2026 11 PM PST            2.57           1445         0      Not Applicable
  03/05/2026 12 AM PST            2.57           1445         0      Not Applicable
  03/05/2026 01 AM PST            2.57           1445         0      Not Applicable
  03/05/2026 02 AM PST            2.56           1438         -      Not Applicable
  03/05/2026 03 AM PST            2.56           1438         0      Not Applicable
  03/05/2026 04 AM PST            2.55           1431         -      Not Applicable
  03/05/2026 05 AM PST            2.54           1424         -      Not Applicable
  03/05/2026 06 AM PST            2.53           1417         -      Not Applicable
  03/05/2026 07 AM PST            2.52           1410         -      Not Applicable
  03/05/2026 08 AM PST            2.52           1410         0      Not Applicable
  03/05/2026 09 AM PST            2.51           1403         -      Not Applicable
  03/05/2026 10 AM PST            2.50           1396         -      Not Applicable
  03/05/2026 11 AM PST            2.50           1396         0      Not Applicable
  03/05/2026 12 PM PST            2.49           1389         -      Not Applicable
  03/05/2026 01 PM PST            2.49           1389         0      Not Applicable
  03/05/2026 02 PM PST            2.48           1382         -      Not Applicable
  03/05/2026 03 PM PST            2.48           1382         0      Not Applicable
  03/05/2026 04 PM PST            2.48           1382         0      Not Applicable
  03/05/2026 05 PM PST            2.48           1382         0      Not Applicable
  03/05/2026 06 PM PST            2.47           1375         -      Not Applicable
  03/05/2026 07 PM PST            2.47           1375         0      Not Applicable
  03/05/2026 08 PM PST            2.47           1375         0      Not Applicable
  03/05/2026 09 PM PST            2.47           1375         0      Not Applicable
  03/05/2026 10 PM PST            2.47           1375         0      Not Applicable
  03/05/2026 11 PM PST            2.46           1368         -      Not Applicable
  03/06/2026 12 AM PST            2.46           1368         0      Not Applicable
  03/06/2026 01 AM PST            2.46           1368         0      Not Applicable
  03/06/2026 02 AM PST            2.46           1368         0      Not Applicable
  03/06/2026 03 AM PST            2.46           1368         0      Not Applicable
  03/06/2026 04 AM PST            2.45           1361         -      Not Applicable
  03/06/2026 05 AM PST            2.45           1361         0      Not Applicable
  03/06/2026 06 AM PST            2.44           1354         -      Not Applicable
  03/06/2026 07 AM PST            2.44           1354         0      Not Applicable
  03/06/2026 08 AM PST            2.44           1354         0      Not Applicable
  03/06/2026 09 AM PST            2.43           1348         -      Not Applicable
  03/06/2026 10 AM PST            2.43           1348         0      Not Applicable
  03/06/2026 11 AM PST            2.42           1341         -      Not Applicable
  03/06/2026 12 PM PST            2.42           1341         0      Not Applicable
  03/06/2026 01 PM PST            2.42           1341         0      Not Applicable
  03/06/2026 02 PM PST            2.42           1341         0      Not Applicable
  03/06/2026 03 PM PST            2.42           1341         0      Not Applicable
  03/06/2026 04 PM PST            2.42           1341         0      Not Applicable
  03/06/2026 05 PM PST            2.42           1341         0      Not Applicable
  03/06/2026 06 PM PST            2.43           1348         +      Not Applicable
  03/06/2026 07 PM PST            2.44           1354         +      Not Applicable
  03/06/2026 08 PM PST            2.44           1354         0      Not Applicable
  03/06/2026 09 PM PST            2.44           1354         0      Not Applicable
  03/06/2026 10 PM PST            2.44           1354         0      Not Applicable
  03/06/2026 11 PM PST            2.44           1354         0      Not Applicable
  03/07/2026 12 AM PST            2.44           1354         0      Not Applicable
  03/07/2026 01 AM PST            2.44           1354         0      Not Applicable
  03/07/2026 02 AM PST            2.44           1354         0      Not Applicable
  03/07/2026 03 AM PST            2.44           1354         0      Not Applicable
  03/07/2026 04 AM PST            2.44           1354         0      Not Applicable
  03/07/2026 05 AM PST            2.43           1348         -      Not Applicable
  03/07/2026 06 AM PST            2.43           1348         0      Not Applicable
  03/07/2026 07 AM PST            2.43           1348         0      Not Applicable
  03/07/2026 08 AM PST            2.43           1348         0      Not Applicable
  03/07/2026 09 AM PST            2.42           1341         -      Not Applicable
  03/07/2026 10 AM PST            2.42           1341         0      Not Applicable
  03/07/2026 11 AM PST            2.42           1341         0      Not Applicable
  03/07/2026 12 PM PST            2.43           1348         +      Not Applicable
  03/07/2026 01 PM PST            2.43           1348         0      Not Applicable
  03/07/2026 02 PM PST            2.43           1348         0      Not Applicable
  03/07/2026 03 PM PST            2.44           1354         +      Not Applicable
  03/07/2026 04 PM PST            2.44           1354         0      Not Applicable
  03/07/2026 05 PM PST            2.45           1361         +      Not Applicable
  03/07/2026 06 PM PST            2.46           1368         +      Not Applicable
  03/07/2026 07 PM PST            2.47           1375         +      Not Applicable
  03/07/2026 08 PM PST            2.48           1382         +      Not Applicable
  03/07/2026 09 PM PST            2.48           1382         0      Not Applicable
  03/07/2026 10 PM PST            2.48           1382         0      Not Applicable
  03/07/2026 11 PM PST            2.47           1375         -      Not Applicable
  03/08/2026 12 AM PST            2.47           1375         0      Not Applicable
  03/08/2026 01 AM PST            2.46           1368         -      Not Applicable
  03/08/2026 03 AM PDT            2.46           1368         0      Not Applicable
  03/08/2026 04 AM PDT            2.45           1361         -      Not Applicable
  03/08/2026 05 AM PDT            2.45           1361         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.