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MCCLOUD RIVER - SHASTA LAKE (MSSC1)
| Latitude: 40.95º N | Longitude: 122.22º W | Elevation: 1100 Feet | | Forecast Type: Unofficial Location |
| Location: Shasta County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Aug 28 2026 at 7:34 AM PDT | Next Issuance: | Aug 29 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: McCloud River - Above Shasta Lake (MSSC1)
#
# File Generation Time: 08/28/2026 at 07:36 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/24/2026 at 06:00 AM PDT
# Maximum Observed Stage: 9.66 Feet
# Maximum Observed Flow: 270 cfs
#
# Earliest Date & Time of Maximum Forecast: 08/28/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 9.58 Feet
# Maximum Forecast Flow: 241 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
08/23/2026 07 AM PDT 9.64 263 Not Applicable
08/23/2026 08 AM PDT 9.64 263 0 Not Applicable
08/23/2026 09 AM PDT 9.64 263 0 Not Applicable
08/23/2026 10 AM PDT 9.65 266 + Not Applicable
08/23/2026 11 AM PDT 9.65 266 0 Not Applicable
08/23/2026 12 PM PDT 9.65 266 0 Not Applicable
08/23/2026 01 PM PDT 9.65 266 0 Not Applicable
08/23/2026 02 PM PDT 9.65 266 0 Not Applicable
08/23/2026 03 PM PDT 9.65 266 0 Not Applicable
08/23/2026 04 PM PDT 9.65 266 0 Not Applicable
08/23/2026 05 PM PDT 9.65 266 0 Not Applicable
08/23/2026 06 PM PDT 9.65 266 0 Not Applicable
08/23/2026 07 PM PDT 9.65 266 0 Not Applicable
08/23/2026 08 PM PDT 9.65 266 0 Not Applicable
08/23/2026 09 PM PDT 9.65 266 0 Not Applicable
08/23/2026 10 PM PDT 9.65 266 0 Not Applicable
08/23/2026 11 PM PDT 9.65 266 0 Not Applicable
08/24/2026 12 AM PDT 9.66 270 + Not Applicable
08/24/2026 01 AM PDT 9.66 270 0 Not Applicable
08/24/2026 02 AM PDT 9.66 270 0 Not Applicable
08/24/2026 03 AM PDT 9.66 270 0 Not Applicable
08/24/2026 04 AM PDT 9.66 270 0 Not Applicable
08/24/2026 05 AM PDT 9.66 270 0 Not Applicable
08/24/2026 06 AM PDT 9.66 270 0 Not Applicable
08/24/2026 07 AM PDT 9.65 266 - Not Applicable
08/24/2026 08 AM PDT 9.65 266 0 Not Applicable
08/24/2026 09 AM PDT 9.65 266 0 Not Applicable
08/24/2026 10 AM PDT 9.65 266 0 Not Applicable
08/24/2026 11 AM PDT 9.65 266 0 Not Applicable
08/24/2026 12 PM PDT 9.65 266 0 Not Applicable
08/24/2026 01 PM PDT 9.65 266 0 Not Applicable
08/24/2026 02 PM PDT 9.65 266 0 Not Applicable
08/24/2026 03 PM PDT 9.65 266 0 Not Applicable
08/24/2026 04 PM PDT 9.65 266 0 Not Applicable
08/24/2026 05 PM PDT 9.65 266 0 Not Applicable
08/24/2026 06 PM PDT 9.65 266 0 Not Applicable
08/24/2026 07 PM PDT 9.65 266 0 Not Applicable
08/24/2026 08 PM PDT 9.65 266 0 Not Applicable
08/24/2026 09 PM PDT 9.65 266 0 Not Applicable
08/24/2026 10 PM PDT 9.65 266 0 Not Applicable
08/24/2026 11 PM PDT 9.65 266 0 Not Applicable
08/25/2026 12 AM PDT 9.65 266 0 Not Applicable
08/25/2026 01 AM PDT 9.65 266 0 Not Applicable
08/25/2026 02 AM PDT 9.65 266 0 Not Applicable
08/25/2026 03 AM PDT 9.65 266 0 Not Applicable
08/25/2026 04 AM PDT 9.65 266 0 Not Applicable
08/25/2026 05 AM PDT 9.65 266 0 Not Applicable
08/25/2026 06 AM PDT 9.64 263 - Not Applicable
08/25/2026 07 AM PDT 9.64 263 0 Not Applicable
08/25/2026 08 AM PDT 9.64 263 0 Not Applicable
08/25/2026 09 AM PDT 9.64 263 0 Not Applicable
08/25/2026 10 AM PDT 9.64 263 0 Not Applicable
08/25/2026 11 AM PDT 9.64 263 0 Not Applicable
08/25/2026 12 PM PDT 9.64 263 0 Not Applicable
08/25/2026 01 PM PDT 9.63 259 - Not Applicable
08/25/2026 02 PM PDT 9.63 259 0 Not Applicable
08/25/2026 03 PM PDT 9.63 259 0 Not Applicable
08/25/2026 04 PM PDT 9.63 259 0 Not Applicable
08/25/2026 05 PM PDT 9.63 259 0 Not Applicable
08/25/2026 06 PM PDT 9.63 259 0 Not Applicable
08/25/2026 07 PM PDT 9.63 259 0 Not Applicable
08/25/2026 08 PM PDT 9.63 259 0 Not Applicable
08/25/2026 09 PM PDT 9.62 255 - Not Applicable
08/25/2026 10 PM PDT 9.62 255 0 Not Applicable
08/25/2026 11 PM PDT 9.62 255 0 Not Applicable
08/26/2026 12 AM PDT 9.62 255 0 Not Applicable
08/26/2026 01 AM PDT 9.62 255 0 Not Applicable
08/26/2026 02 AM PDT 9.62 255 0 Not Applicable
08/26/2026 03 AM PDT 9.62 255 0 Not Applicable
08/26/2026 04 AM PDT 9.62 255 0 Not Applicable
08/26/2026 05 AM PDT 9.62 255 0 Not Applicable
08/26/2026 06 AM PDT 9.62 255 0 Not Applicable
08/26/2026 07 AM PDT 9.62 255 0 Not Applicable
08/26/2026 08 AM PDT 9.62 255 0 Not Applicable
08/26/2026 09 AM PDT 9.61 252 - Not Applicable
08/26/2026 10 AM PDT 9.61 252 0 Not Applicable
08/26/2026 11 AM PDT 9.61 252 0 Not Applicable
08/26/2026 12 PM PDT 9.61 252 0 Not Applicable
08/26/2026 01 PM PDT 9.61 252 0 Not Applicable
08/26/2026 02 PM PDT 9.61 252 0 Not Applicable
08/26/2026 03 PM PDT 9.61 252 0 Not Applicable
08/26/2026 04 PM PDT 9.61 252 0 Not Applicable
08/26/2026 05 PM PDT 9.61 252 0 Not Applicable
08/26/2026 06 PM PDT 9.61 252 0 Not Applicable
08/26/2026 07 PM PDT 9.61 252 0 Not Applicable
08/26/2026 08 PM PDT 9.61 252 0 Not Applicable
08/26/2026 09 PM PDT 9.61 252 0 Not Applicable
08/26/2026 10 PM PDT 9.61 252 0 Not Applicable
08/26/2026 11 PM PDT 9.61 252 0 Not Applicable
08/27/2026 12 AM PDT 9.61 252 0 Not Applicable
08/27/2026 01 AM PDT 9.61 252 0 Not Applicable
08/27/2026 02 AM PDT 9.60 248 - Not Applicable
08/27/2026 03 AM PDT 9.60 248 0 Not Applicable
08/27/2026 04 AM PDT 9.60 248 0 Not Applicable
08/27/2026 05 AM PDT 9.60 248 0 Not Applicable
08/27/2026 06 AM PDT 9.60 248 0 Not Applicable
08/27/2026 07 AM PDT 9.60 248 0 Not Applicable
08/27/2026 08 AM PDT 9.60 248 0 Not Applicable
08/27/2026 09 AM PDT 9.60 248 0 Not Applicable
08/27/2026 10 AM PDT 9.60 248 0 Not Applicable
08/27/2026 11 AM PDT 9.59 244 - Not Applicable
08/27/2026 12 PM PDT 9.59 244 0 Not Applicable
08/27/2026 01 PM PDT 9.59 244 0 Not Applicable
08/27/2026 02 PM PDT 9.59 244 0 Not Applicable
08/27/2026 03 PM PDT 9.59 244 0 Not Applicable
08/27/2026 04 PM PDT 9.59 244 0 Not Applicable
08/27/2026 05 PM PDT 9.59 244 0 Not Applicable
08/27/2026 06 PM PDT 9.59 244 0 Not Applicable
08/27/2026 07 PM PDT 9.59 244 0 Not Applicable
08/27/2026 08 PM PDT 9.59 244 0 Not Applicable
08/27/2026 09 PM PDT 9.58 241 - Not Applicable
08/27/2026 10 PM PDT 9.58 241 0 Not Applicable
08/27/2026 11 PM PDT 9.58 241 0 Not Applicable
08/28/2026 12 AM PDT 9.58 241 0 Not Applicable
08/28/2026 01 AM PDT 9.58 241 0 Not Applicable
08/28/2026 02 AM PDT 9.58 241 0 Not Applicable
08/28/2026 03 AM PDT 9.58 241 0 Not Applicable
08/28/2026 04 AM PDT 9.58 241 0 Not Applicable
08/28/2026 05 AM PDT 9.58 241 0 Not Applicable
08/28/2026 06 AM PDT 9.58 241 0 Not Applicable
08/28/2026 07 AM PDT 9.58 241 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
08/28/2026 08 AM PDT 9.58 241 Not Applicable
08/28/2026 09 AM PDT 9.58 241 0 Not Applicable
08/28/2026 10 AM PDT 9.58 241 0 Not Applicable
08/28/2026 11 AM PDT 9.58 241 0 Not Applicable
08/28/2026 12 PM PDT 9.58 241 0 Not Applicable
08/28/2026 01 PM PDT 9.58 241 0 Not Applicable
08/28/2026 02 PM PDT 9.58 241 0 Not Applicable
08/28/2026 03 PM PDT 9.58 241 0 Not Applicable
08/28/2026 04 PM PDT 9.58 241 0 Not Applicable
08/28/2026 05 PM PDT 9.58 241 0 Not Applicable
08/28/2026 06 PM PDT 9.58 241 0 Not Applicable
08/28/2026 07 PM PDT 9.58 241 0 Not Applicable
08/28/2026 08 PM PDT 9.57 237 - Not Applicable
08/28/2026 09 PM PDT 9.57 237 0 Not Applicable
08/28/2026 10 PM PDT 9.57 237 0 Not Applicable
08/28/2026 11 PM PDT 9.57 237 0 Not Applicable
08/29/2026 12 AM PDT 9.57 237 0 Not Applicable
08/29/2026 01 AM PDT 9.57 237 0 Not Applicable
08/29/2026 02 AM PDT 9.57 237 0 Not Applicable
08/29/2026 03 AM PDT 9.57 237 0 Not Applicable
08/29/2026 04 AM PDT 9.57 237 0 Not Applicable
08/29/2026 05 AM PDT 9.57 237 0 Not Applicable
08/29/2026 06 AM PDT 9.57 237 0 Not Applicable
08/29/2026 07 AM PDT 9.57 237 0 Not Applicable
08/29/2026 08 AM PDT 9.57 237 0 Not Applicable
08/29/2026 09 AM PDT 9.57 237 0 Not Applicable
08/29/2026 10 AM PDT 9.57 237 0 Not Applicable
08/29/2026 11 AM PDT 9.57 237 0 Not Applicable
08/29/2026 12 PM PDT 9.57 237 0 Not Applicable
08/29/2026 01 PM PDT 9.57 237 0 Not Applicable
08/29/2026 02 PM PDT 9.57 237 0 Not Applicable
08/29/2026 03 PM PDT 9.57 237 0 Not Applicable
08/29/2026 04 PM PDT 9.57 237 0 Not Applicable
08/29/2026 05 PM PDT 9.57 237 0 Not Applicable
08/29/2026 06 PM PDT 9.57 237 0 Not Applicable
08/29/2026 07 PM PDT 9.57 237 0 Not Applicable
08/29/2026 08 PM PDT 9.57 237 0 Not Applicable
08/29/2026 09 PM PDT 9.57 237 0 Not Applicable
08/29/2026 10 PM PDT 9.57 237 0 Not Applicable
08/29/2026 11 PM PDT 9.57 237 0 Not Applicable
08/30/2026 12 AM PDT 9.57 237 0 Not Applicable
08/30/2026 01 AM PDT 9.57 237 0 Not Applicable
08/30/2026 02 AM PDT 9.57 237 0 Not Applicable
08/30/2026 03 AM PDT 9.57 237 0 Not Applicable
08/30/2026 04 AM PDT 9.57 237 0 Not Applicable
08/30/2026 05 AM PDT 9.57 237 0 Not Applicable
08/30/2026 06 AM PDT 9.57 237 0 Not Applicable
08/30/2026 07 AM PDT 9.57 237 0 Not Applicable
08/30/2026 08 AM PDT 9.56 233 - Not Applicable
08/30/2026 09 AM PDT 9.56 233 0 Not Applicable
08/30/2026 10 AM PDT 9.56 233 0 Not Applicable
08/30/2026 11 AM PDT 9.56 233 0 Not Applicable
08/30/2026 12 PM PDT 9.56 233 0 Not Applicable
08/30/2026 01 PM PDT 9.56 233 0 Not Applicable
08/30/2026 02 PM PDT 9.56 233 0 Not Applicable
08/30/2026 03 PM PDT 9.56 233 0 Not Applicable
08/30/2026 04 PM PDT 9.56 233 0 Not Applicable
08/30/2026 05 PM PDT 9.56 233 0 Not Applicable
08/30/2026 06 PM PDT 9.56 233 0 Not Applicable
08/30/2026 07 PM PDT 9.56 233 0 Not Applicable
08/30/2026 08 PM PDT 9.56 233 0 Not Applicable
08/30/2026 09 PM PDT 9.56 233 0 Not Applicable
08/30/2026 10 PM PDT 9.56 233 0 Not Applicable
08/30/2026 11 PM PDT 9.56 233 0 Not Applicable
08/31/2026 12 AM PDT 9.56 233 0 Not Applicable
08/31/2026 01 AM PDT 9.56 233 0 Not Applicable
08/31/2026 02 AM PDT 9.56 233 0 Not Applicable
08/31/2026 03 AM PDT 9.56 233 0 Not Applicable
08/31/2026 04 AM PDT 9.56 233 0 Not Applicable
08/31/2026 05 AM PDT 9.56 233 0 Not Applicable
08/31/2026 06 AM PDT 9.56 233 0 Not Applicable
08/31/2026 07 AM PDT 9.56 233 0 Not Applicable
08/31/2026 08 AM PDT 9.56 233 0 Not Applicable
08/31/2026 09 AM PDT 9.56 233 0 Not Applicable
08/31/2026 10 AM PDT 9.56 233 0 Not Applicable
08/31/2026 11 AM PDT 9.56 233 0 Not Applicable
08/31/2026 12 PM PDT 9.56 233 0 Not Applicable
08/31/2026 01 PM PDT 9.56 233 0 Not Applicable
08/31/2026 02 PM PDT 9.56 233 0 Not Applicable
08/31/2026 03 PM PDT 9.56 233 0 Not Applicable
08/31/2026 04 PM PDT 9.56 233 0 Not Applicable
08/31/2026 05 PM PDT 9.56 233 0 Not Applicable
08/31/2026 06 PM PDT 9.56 233 0 Not Applicable
08/31/2026 07 PM PDT 9.55 230 - Not Applicable
08/31/2026 08 PM PDT 9.55 230 0 Not Applicable
08/31/2026 09 PM PDT 9.55 230 0 Not Applicable
08/31/2026 10 PM PDT 9.55 230 0 Not Applicable
08/31/2026 11 PM PDT 9.55 230 0 Not Applicable
09/01/2026 12 AM PDT 9.55 230 0 Not Applicable
09/01/2026 01 AM PDT 9.55 230 0 Not Applicable
09/01/2026 02 AM PDT 9.55 230 0 Not Applicable
09/01/2026 03 AM PDT 9.55 230 0 Not Applicable
09/01/2026 04 AM PDT 9.55 230 0 Not Applicable
09/01/2026 05 AM PDT 9.55 230 0 Not Applicable
09/01/2026 06 AM PDT 9.55 230 0 Not Applicable
09/01/2026 07 AM PDT 9.55 230 0 Not Applicable
09/01/2026 08 AM PDT 9.55 230 0 Not Applicable
09/01/2026 09 AM PDT 9.55 230 0 Not Applicable
09/01/2026 10 AM PDT 9.55 230 0 Not Applicable
09/01/2026 11 AM PDT 9.55 230 0 Not Applicable
09/01/2026 12 PM PDT 9.55 230 0 Not Applicable
09/01/2026 01 PM PDT 9.55 230 0 Not Applicable
09/01/2026 02 PM PDT 9.55 230 0 Not Applicable
09/01/2026 03 PM PDT 9.55 230 0 Not Applicable
09/01/2026 04 PM PDT 9.55 230 0 Not Applicable
09/01/2026 05 PM PDT 9.55 230 0 Not Applicable
09/01/2026 06 PM PDT 9.55 230 0 Not Applicable
09/01/2026 07 PM PDT 9.55 230 0 Not Applicable
09/01/2026 08 PM PDT 9.55 230 0 Not Applicable
09/01/2026 09 PM PDT 9.55 230 0 Not Applicable
09/01/2026 10 PM PDT 9.55 230 0 Not Applicable
09/01/2026 11 PM PDT 9.55 230 0 Not Applicable
09/02/2026 12 AM PDT 9.55 230 0 Not Applicable
09/02/2026 01 AM PDT 9.55 230 0 Not Applicable
09/02/2026 02 AM PDT 9.55 230 0 Not Applicable
09/02/2026 03 AM PDT 9.55 230 0 Not Applicable
09/02/2026 04 AM PDT 9.55 230 0 Not Applicable
09/02/2026 05 AM PDT 9.55 230 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.
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