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

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MCCLOUD RIVER - SHASTA LAKE (MSSC1)
Latitude: 40.95º NLongitude: 122.22º WElevation: 1100 FeetForecast Type: Unofficial Location
Location: Shasta County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Oct 04 2026 at 7:10 AM PDTNext Issuance: Oct 05 2026 at 9:00 AM PDT
Action: 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:  10/04/2026 at 07:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/29/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       9.63 Feet
# Maximum Observed Flow:                        259 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/04/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       9.61 Feet
# Maximum Forecast Flow:                        252 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/29/2026 07 AM PDT            9.62            255                Not Applicable
  09/29/2026 08 AM PDT            9.62            255         0      Not Applicable
  09/29/2026 09 AM PDT            9.62            255         0      Not Applicable
  09/29/2026 10 AM PDT            9.62            255         0      Not Applicable
  09/29/2026 11 AM PDT            9.62            255         0      Not Applicable
  09/29/2026 12 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 01 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 02 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 03 PM PDT            9.63            259         +      Not Applicable
  09/29/2026 04 PM PDT            9.63            259         0      Not Applicable
  09/29/2026 05 PM PDT            9.62            255         -      Not Applicable
  09/29/2026 06 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 07 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 08 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 09 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 10 PM PDT            9.62            255         0      Not Applicable
  09/29/2026 11 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 12 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 01 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 02 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 03 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 04 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 05 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 06 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 07 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 08 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 09 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 10 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 11 AM PDT            9.62            255         0      Not Applicable
  09/30/2026 12 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 01 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 02 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 03 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 04 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 05 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 06 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 07 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 08 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 09 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 10 PM PDT            9.62            255         0      Not Applicable
  09/30/2026 11 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 12 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 01 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 02 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 03 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 04 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 05 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 06 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 07 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 08 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 09 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 10 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 11 AM PDT            9.62            255         0      Not Applicable
  10/01/2026 12 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 01 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 02 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 03 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 04 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 05 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 06 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 07 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 08 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 09 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 10 PM PDT            9.62            255         0      Not Applicable
  10/01/2026 11 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 12 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 01 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 02 AM PDT            9.61            252         -      Not Applicable
  10/02/2026 03 AM PDT            9.61            252         0      Not Applicable
  10/02/2026 04 AM PDT            9.61            252         0      Not Applicable
  10/02/2026 05 AM PDT            9.61            252         0      Not Applicable
  10/02/2026 06 AM PDT            9.62            255         +      Not Applicable
  10/02/2026 07 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 08 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 09 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 10 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 11 AM PDT            9.62            255         0      Not Applicable
  10/02/2026 12 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 01 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 02 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 03 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 04 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 05 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 06 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 07 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 08 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 09 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 10 PM PDT            9.62            255         0      Not Applicable
  10/02/2026 11 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 12 AM PDT            9.61            252         -      Not Applicable
  10/03/2026 01 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 02 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 03 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 04 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 05 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 06 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 07 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 08 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 09 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 10 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 11 AM PDT            9.61            252         0      Not Applicable
  10/03/2026 12 PM PDT            9.61            252         0      Not Applicable
  10/03/2026 01 PM PDT            9.62            255         +      Not Applicable
  10/03/2026 02 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 03 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 04 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 05 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 06 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 07 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 08 PM PDT            9.62            255         0      Not Applicable
  10/03/2026 09 PM PDT            9.61            252         -      Not Applicable
  10/03/2026 10 PM PDT            9.61            252         0      Not Applicable
  10/03/2026 11 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 12 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 01 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 02 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 03 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 04 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 05 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 06 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 07 AM PDT            9.61            252         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/04/2026 08 AM PDT            9.61            252                Not Applicable
  10/04/2026 09 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 10 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 11 AM PDT            9.61            252         0      Not Applicable
  10/04/2026 12 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 01 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 02 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 03 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 04 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 05 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 06 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 07 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 08 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 09 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 10 PM PDT            9.61            252         0      Not Applicable
  10/04/2026 11 PM PDT            9.61            252         0      Not Applicable
  10/05/2026 12 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 01 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 02 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 03 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 04 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 05 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 06 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 07 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 08 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 09 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 10 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 11 AM PDT            9.61            252         0      Not Applicable
  10/05/2026 12 PM PDT            9.61            252         0      Not Applicable
  10/05/2026 01 PM PDT            9.60            248         -      Not Applicable
  10/05/2026 02 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 03 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 04 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 05 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 06 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 07 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 08 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 09 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 10 PM PDT            9.60            248         0      Not Applicable
  10/05/2026 11 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 12 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 01 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 02 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 03 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 04 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 05 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 06 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 07 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 08 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 09 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 10 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 11 AM PDT            9.60            248         0      Not Applicable
  10/06/2026 12 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 01 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 02 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 03 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 04 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 05 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 06 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 07 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 08 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 09 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 10 PM PDT            9.60            248         0      Not Applicable
  10/06/2026 11 PM PDT            9.60            248         0      Not Applicable
  10/07/2026 12 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 01 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 02 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 03 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 04 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 05 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 06 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 07 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 08 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 09 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 10 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 11 AM PDT            9.60            248         0      Not Applicable
  10/07/2026 12 PM PDT            9.60            248         0      Not Applicable
  10/07/2026 01 PM PDT            9.60            248         0      Not Applicable
  10/07/2026 02 PM PDT            9.60            248         0      Not Applicable
  10/07/2026 03 PM PDT            9.60            248         0      Not Applicable
  10/07/2026 04 PM PDT            9.59            244         -      Not Applicable
  10/07/2026 05 PM PDT            9.59            244         0      Not Applicable
  10/07/2026 06 PM PDT            9.59            244         0      Not Applicable
  10/07/2026 07 PM PDT            9.59            244         0      Not Applicable
  10/07/2026 08 PM PDT            9.59            244         0      Not Applicable
  10/07/2026 09 PM PDT            9.59            244         0      Not Applicable
  10/07/2026 10 PM PDT            9.59            244         0      Not Applicable
  10/07/2026 11 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 12 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 01 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 02 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 03 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 04 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 05 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 06 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 07 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 08 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 09 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 10 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 11 AM PDT            9.59            244         0      Not Applicable
  10/08/2026 12 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 01 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 02 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 03 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 04 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 05 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 06 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 07 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 08 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 09 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 10 PM PDT            9.59            244         0      Not Applicable
  10/08/2026 11 PM PDT            9.59            244         0      Not Applicable
  10/09/2026 12 AM PDT            9.59            244         0      Not Applicable
  10/09/2026 01 AM PDT            9.59            244         0      Not Applicable
  10/09/2026 02 AM PDT            9.59            244         0      Not Applicable
  10/09/2026 03 AM PDT            9.59            244         0      Not Applicable
  10/09/2026 04 AM PDT            9.59            244         0      Not Applicable
  10/09/2026 05 AM PDT            9.59            244         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.