| Back to River Map | <<< Previous Forecast Point | | | Next Forecast Point >>> | Printer Version | Graph Version |  |
|
KLAMATH RIVER - SEIAD VALLEY (SEIC1)
| Latitude: 41.85º N | Longitude: 123.23º W | Elevation: 1320 Feet | | Forecast Type: Official Location |
| Location: Siskiyou County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Sep 04 2026 at 7:22 AM PDT | Next Issuance: | Sep 05 2026 at 9:00 AM PDT
| |
| Action: 13.0 Feet | Minor Flood: 15.0 Feet | Moderate Flood: 20.0 Feet | Major Flood: 28.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Seiad Valley (SEIC1)
#
# File Generation Time: 09/04/2026 at 07:23 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/30/2026 at 09:00 AM PDT
# Maximum Observed Stage: 3.09 Feet
# Maximum Observed Flow: 1946 cfs
#
# Earliest Date & Time of Maximum Forecast: 09/04/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 2.09 Feet
# Maximum Forecast Flow: 1183 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
08/30/2026 07 AM PDT 3.09 1946 Normal
08/30/2026 08 AM PDT 3.09 1946 0 Normal
08/30/2026 09 AM PDT 3.09 1946 0 Normal
08/30/2026 10 AM PDT 3.08 1938 - Normal
08/30/2026 11 AM PDT 3.06 1920 - Normal
08/30/2026 12 PM PDT 3.02 1886 - Normal
08/30/2026 01 PM PDT 2.96 1835 - Normal
08/30/2026 02 PM PDT 2.94 1818 - Normal
08/30/2026 03 PM PDT 2.94 1818 0 Normal
08/30/2026 04 PM PDT 2.94 1818 0 Normal
08/30/2026 05 PM PDT 2.93 1810 - Normal
08/30/2026 06 PM PDT 2.92 1802 - Normal
08/30/2026 07 PM PDT 2.90 1785 - Normal
08/30/2026 08 PM PDT 2.88 1768 - Normal
08/30/2026 09 PM PDT 2.88 1768 0 Normal
08/30/2026 10 PM PDT 2.88 1768 0 Normal
08/30/2026 11 PM PDT 2.87 1760 - Normal
08/31/2026 12 AM PDT 2.85 1744 - Normal
08/31/2026 01 AM PDT 2.83 1727 - Normal
08/31/2026 02 AM PDT 2.82 1719 - Normal
08/31/2026 03 AM PDT 2.81 1711 - Normal
08/31/2026 04 AM PDT 2.81 1711 0 Normal
08/31/2026 05 AM PDT 2.80 1703 - Normal
08/31/2026 06 AM PDT 2.79 1695 - Normal
08/31/2026 07 AM PDT 2.76 1671 - Normal
08/31/2026 08 AM PDT 2.74 1655 - Normal
08/31/2026 09 AM PDT 2.74 1655 0 Normal
08/31/2026 10 AM PDT 2.73 1647 - Normal
08/31/2026 11 AM PDT 2.73 1647 0 Normal
08/31/2026 12 PM PDT 2.72 1639 - Normal
08/31/2026 01 PM PDT 2.70 1623 - Normal
08/31/2026 02 PM PDT 2.69 1616 - Normal
08/31/2026 03 PM PDT 2.67 1600 - Normal
08/31/2026 04 PM PDT 2.65 1584 - Normal
08/31/2026 05 PM PDT 2.62 1561 - Normal
08/31/2026 06 PM PDT 2.60 1546 - Normal
08/31/2026 07 PM PDT 2.59 1538 - Normal
08/31/2026 08 PM PDT 2.59 1538 0 Normal
08/31/2026 09 PM PDT 2.58 1531 - Normal
08/31/2026 10 PM PDT 2.58 1531 0 Normal
08/31/2026 11 PM PDT 2.56 1515 - Normal
09/01/2026 12 AM PDT 2.56 1515 0 Normal
09/01/2026 01 AM PDT 2.56 1515 0 Normal
09/01/2026 02 AM PDT 2.55 1508 - Normal
09/01/2026 03 AM PDT 2.55 1508 0 Normal
09/01/2026 04 AM PDT 2.55 1508 0 Normal
09/01/2026 05 AM PDT 2.55 1508 0 Normal
09/01/2026 06 AM PDT 2.54 1500 - Normal
09/01/2026 07 AM PDT 2.55 1508 + Normal
09/01/2026 08 AM PDT 2.54 1500 - Normal
09/01/2026 09 AM PDT 2.54 1500 0 Normal
09/01/2026 10 AM PDT 2.53 1493 - Normal
09/01/2026 11 AM PDT 2.53 1493 0 Normal
09/01/2026 12 PM PDT 2.54 1500 + Normal
09/01/2026 01 PM PDT 2.53 1493 - Normal
09/01/2026 02 PM PDT 2.52 1485 - Normal
09/01/2026 03 PM PDT 2.51 1478 - Normal
09/01/2026 04 PM PDT 2.49 1463 - Normal
09/01/2026 05 PM PDT 2.46 1441 - Normal
09/01/2026 06 PM PDT 2.43 1419 - Normal
09/01/2026 07 PM PDT 2.40 1397 - Normal
09/01/2026 08 PM PDT 2.39 1390 - Normal
09/01/2026 09 PM PDT 2.38 1383 - Normal
09/01/2026 10 PM PDT 2.38 1383 0 Normal
09/01/2026 11 PM PDT 2.39 1390 + Normal
09/02/2026 12 AM PDT 2.39 1390 0 Normal
09/02/2026 01 AM PDT 2.39 1390 0 Normal
09/02/2026 02 AM PDT 2.38 1383 - Normal
09/02/2026 03 AM PDT 2.37 1376 - Normal
09/02/2026 04 AM PDT 2.37 1376 0 Normal
09/02/2026 05 AM PDT 2.37 1376 0 Normal
09/02/2026 06 AM PDT 2.37 1376 0 Normal
09/02/2026 07 AM PDT 2.37 1376 0 Normal
09/02/2026 08 AM PDT 2.38 1383 + Normal
09/02/2026 09 AM PDT 2.38 1383 0 Normal
09/02/2026 10 AM PDT 2.38 1383 0 Normal
09/02/2026 11 AM PDT 2.38 1383 0 Normal
09/02/2026 12 PM PDT 2.38 1383 0 Normal
09/02/2026 01 PM PDT 2.39 1390 + Normal
09/02/2026 02 PM PDT 2.39 1390 0 Normal
09/02/2026 03 PM PDT 2.37 1376 - Normal
09/02/2026 04 PM PDT 2.35 1361 - Normal
09/02/2026 05 PM PDT 2.34 1354 - Normal
09/02/2026 06 PM PDT 2.33 1347 - Normal
09/02/2026 07 PM PDT 2.31 1333 - Normal
09/02/2026 08 PM PDT 2.30 1326 - Normal
09/02/2026 09 PM PDT 2.28 1312 - Normal
09/02/2026 10 PM PDT 2.26 1298 - Normal
09/02/2026 11 PM PDT 2.26 1298 0 Normal
09/03/2026 12 AM PDT 2.25 1291 - Normal
09/03/2026 01 AM PDT 2.25 1291 0 Normal
09/03/2026 02 AM PDT 2.25 1291 0 Normal
09/03/2026 03 AM PDT 2.24 1284 - Normal
09/03/2026 04 AM PDT 2.25 1291 + Normal
09/03/2026 05 AM PDT 2.25 1291 0 Normal
09/03/2026 06 AM PDT 2.25 1291 0 Normal
09/03/2026 07 AM PDT 2.25 1291 0 Normal
09/03/2026 08 AM PDT 2.25 1291 0 Normal
09/03/2026 09 AM PDT 2.26 1298 + Normal
09/03/2026 10 AM PDT 2.28 1312 + Normal
09/03/2026 11 AM PDT 2.29 1319 + Normal
09/03/2026 12 PM PDT 2.29 1319 0 Normal
09/03/2026 01 PM PDT 2.29 1319 0 Normal
09/03/2026 02 PM PDT 2.29 1319 0 Normal
09/03/2026 03 PM PDT 2.27 1305 - Normal
09/03/2026 04 PM PDT 2.26 1298 - Normal
09/03/2026 05 PM PDT 2.24 1284 - Normal
09/03/2026 06 PM PDT 2.22 1270 - Normal
09/03/2026 07 PM PDT 2.20 1257 - Normal
09/03/2026 08 PM PDT 2.18 1243 - Normal
09/03/2026 09 PM PDT 2.15 1223 - Normal
09/03/2026 10 PM PDT 2.12 1203 - Normal
09/03/2026 11 PM PDT 2.12 1203 0 Normal
09/04/2026 12 AM PDT 2.10 1190 - Normal
09/04/2026 01 AM PDT 2.10 1190 0 Normal
09/04/2026 02 AM PDT 2.09 1183 - Normal
09/04/2026 03 AM PDT 2.09 1183 0 Normal
09/04/2026 04 AM PDT 2.09 1183 0 Normal
09/04/2026 05 AM PDT 2.09 1183 0 Normal
09/04/2026 06 AM PDT 2.09 1183 0 Normal
09/04/2026 07 AM PDT 2.09 1183 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
09/04/2026 08 AM PDT 2.09 1183 Normal
09/04/2026 09 AM PDT 2.09 1183 0 Normal
09/04/2026 10 AM PDT 2.09 1183 0 Normal
09/04/2026 11 AM PDT 2.09 1183 0 Normal
09/04/2026 12 PM PDT 2.08 1176 - Normal
09/04/2026 01 PM PDT 2.07 1170 - Normal
09/04/2026 02 PM PDT 2.07 1170 0 Normal
09/04/2026 03 PM PDT 2.06 1163 - Normal
09/04/2026 04 PM PDT 2.06 1163 0 Normal
09/04/2026 05 PM PDT 2.06 1163 0 Normal
09/04/2026 06 PM PDT 2.05 1157 - Normal
09/04/2026 07 PM PDT 2.05 1157 0 Normal
09/04/2026 08 PM PDT 2.04 1150 - Normal
09/04/2026 09 PM PDT 2.03 1144 - Normal
09/04/2026 10 PM PDT 2.03 1144 0 Normal
09/04/2026 11 PM PDT 2.02 1137 - Normal
09/05/2026 12 AM PDT 2.01 1131 - Normal
09/05/2026 01 AM PDT 2.01 1131 0 Normal
09/05/2026 02 AM PDT 2.00 1125 - Normal
09/05/2026 03 AM PDT 2.00 1125 0 Normal
09/05/2026 04 AM PDT 1.99 1118 - Normal
09/05/2026 05 AM PDT 1.98 1112 - Normal
09/05/2026 06 AM PDT 1.98 1112 0 Normal
09/05/2026 07 AM PDT 1.97 1106 - Normal
09/05/2026 08 AM PDT 1.97 1106 0 Normal
09/05/2026 09 AM PDT 1.96 1099 - Normal
09/05/2026 10 AM PDT 1.96 1099 0 Normal
09/05/2026 11 AM PDT 1.95 1093 - Normal
09/05/2026 12 PM PDT 1.95 1093 0 Normal
09/05/2026 01 PM PDT 1.94 1087 - Normal
09/05/2026 02 PM PDT 1.94 1087 0 Normal
09/05/2026 03 PM PDT 1.93 1080 - Normal
09/05/2026 04 PM PDT 1.93 1080 0 Normal
09/05/2026 05 PM PDT 1.93 1080 0 Normal
09/05/2026 06 PM PDT 1.93 1080 0 Normal
09/05/2026 07 PM PDT 1.92 1074 - Normal
09/05/2026 08 PM PDT 1.92 1074 0 Normal
09/05/2026 09 PM PDT 1.92 1074 0 Normal
09/05/2026 10 PM PDT 1.92 1074 0 Normal
09/05/2026 11 PM PDT 1.92 1074 0 Normal
09/06/2026 12 AM PDT 1.92 1074 0 Normal
09/06/2026 01 AM PDT 1.91 1068 - Normal
09/06/2026 02 AM PDT 1.91 1068 0 Normal
09/06/2026 03 AM PDT 1.91 1068 0 Normal
09/06/2026 04 AM PDT 1.91 1068 0 Normal
09/06/2026 05 AM PDT 1.91 1068 0 Normal
09/06/2026 06 AM PDT 1.91 1068 0 Normal
09/06/2026 07 AM PDT 1.91 1068 0 Normal
09/06/2026 08 AM PDT 1.91 1068 0 Normal
09/06/2026 09 AM PDT 1.90 1062 - Normal
09/06/2026 10 AM PDT 1.90 1062 0 Normal
09/06/2026 11 AM PDT 1.90 1062 0 Normal
09/06/2026 12 PM PDT 1.90 1062 0 Normal
09/06/2026 01 PM PDT 1.90 1062 0 Normal
09/06/2026 02 PM PDT 1.90 1062 0 Normal
09/06/2026 03 PM PDT 1.90 1062 0 Normal
09/06/2026 04 PM PDT 1.90 1062 0 Normal
09/06/2026 05 PM PDT 1.90 1062 0 Normal
09/06/2026 06 PM PDT 1.90 1062 0 Normal
09/06/2026 07 PM PDT 1.90 1062 0 Normal
09/06/2026 08 PM PDT 1.90 1062 0 Normal
09/06/2026 09 PM PDT 1.91 1068 + Normal
09/06/2026 10 PM PDT 1.91 1068 0 Normal
09/06/2026 11 PM PDT 1.91 1068 0 Normal
09/07/2026 12 AM PDT 1.91 1068 0 Normal
09/07/2026 01 AM PDT 1.91 1068 0 Normal
09/07/2026 02 AM PDT 1.91 1068 0 Normal
09/07/2026 03 AM PDT 1.92 1074 + Normal
09/07/2026 04 AM PDT 1.92 1074 0 Normal
09/07/2026 05 AM PDT 1.92 1074 0 Normal
09/07/2026 06 AM PDT 1.93 1080 + Normal
09/07/2026 07 AM PDT 1.93 1080 0 Normal
09/07/2026 08 AM PDT 1.94 1087 + Normal
09/07/2026 09 AM PDT 1.94 1087 0 Normal
09/07/2026 10 AM PDT 1.95 1093 + Normal
09/07/2026 11 AM PDT 1.96 1099 + Normal
09/07/2026 12 PM PDT 1.97 1106 + Normal
09/07/2026 01 PM PDT 1.97 1106 0 Normal
09/07/2026 02 PM PDT 1.98 1112 + Normal
09/07/2026 03 PM PDT 1.99 1118 + Normal
09/07/2026 04 PM PDT 1.99 1118 0 Normal
09/07/2026 05 PM PDT 2.00 1125 + Normal
09/07/2026 06 PM PDT 2.00 1125 0 Normal
09/07/2026 07 PM PDT 2.01 1131 + Normal
09/07/2026 08 PM PDT 2.01 1131 0 Normal
09/07/2026 09 PM PDT 2.01 1131 0 Normal
09/07/2026 10 PM PDT 2.02 1137 + Normal
09/07/2026 11 PM PDT 2.02 1137 0 Normal
09/08/2026 12 AM PDT 2.01 1131 - Normal
09/08/2026 01 AM PDT 2.01 1131 0 Normal
09/08/2026 02 AM PDT 2.01 1131 0 Normal
09/08/2026 03 AM PDT 2.01 1131 0 Normal
09/08/2026 04 AM PDT 2.01 1131 0 Normal
09/08/2026 05 AM PDT 2.00 1125 - Normal
09/08/2026 06 AM PDT 2.00 1125 0 Normal
09/08/2026 07 AM PDT 2.00 1125 0 Normal
09/08/2026 08 AM PDT 2.00 1125 0 Normal
09/08/2026 09 AM PDT 2.00 1125 0 Normal
09/08/2026 10 AM PDT 1.99 1118 - Normal
09/08/2026 11 AM PDT 1.99 1118 0 Normal
09/08/2026 12 PM PDT 1.99 1118 0 Normal
09/08/2026 01 PM PDT 1.99 1118 0 Normal
09/08/2026 02 PM PDT 1.98 1112 - Normal
09/08/2026 03 PM PDT 1.98 1112 0 Normal
09/08/2026 04 PM PDT 1.98 1112 0 Normal
09/08/2026 05 PM PDT 1.98 1112 0 Normal
09/08/2026 06 PM PDT 1.98 1112 0 Normal
09/08/2026 07 PM PDT 1.97 1106 - Normal
09/08/2026 08 PM PDT 1.97 1106 0 Normal
09/08/2026 09 PM PDT 1.97 1106 0 Normal
09/08/2026 10 PM PDT 1.97 1106 0 Normal
09/08/2026 11 PM PDT 1.97 1106 0 Normal
09/09/2026 12 AM PDT 1.97 1106 0 Normal
09/09/2026 01 AM PDT 1.97 1106 0 Normal
09/09/2026 02 AM PDT 1.96 1099 - Normal
09/09/2026 03 AM PDT 1.96 1099 0 Normal
09/09/2026 04 AM PDT 1.96 1099 0 Normal
09/09/2026 05 AM PDT 1.96 1099 0 Normal
#
# 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.
|
Follow us on X
Follow us on Facebook
Follow us on YouTube
NWS RSS Feed