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: Jul 31 2026 at 6:50 AM PDTNext Issuance: Aug 01 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:  07/31/2026 at 06:51 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/26/2026 at 05:00 PM PDT
# Maximum Observed Stage:                       9.72 Feet
# Maximum Observed Flow:                        294 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/31/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       9.69 Feet
# Maximum Forecast Flow:                        282 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/26/2026 06 AM PDT            9.71            290                Not Applicable
  07/26/2026 07 AM PDT            9.71            290         0      Not Applicable
  07/26/2026 08 AM PDT            9.71            290         0      Not Applicable
  07/26/2026 09 AM PDT            9.71            290         0      Not Applicable
  07/26/2026 10 AM PDT            9.72            294         +      Not Applicable
  07/26/2026 11 AM PDT            9.72            294         0      Not Applicable
  07/26/2026 12 PM PDT            9.72            294         0      Not Applicable
  07/26/2026 01 PM PDT            9.72            294         0      Not Applicable
  07/26/2026 02 PM PDT            9.72            294         0      Not Applicable
  07/26/2026 03 PM PDT            9.72            294         0      Not Applicable
  07/26/2026 04 PM PDT            9.72            294         0      Not Applicable
  07/26/2026 05 PM PDT            9.72            294         0      Not Applicable
  07/26/2026 06 PM PDT            9.71            290         -      Not Applicable
  07/26/2026 07 PM PDT            9.71            290         0      Not Applicable
  07/26/2026 08 PM PDT            9.71            290         0      Not Applicable
  07/26/2026 09 PM PDT            9.70            286         -      Not Applicable
  07/26/2026 10 PM PDT            9.70            286         0      Not Applicable
  07/26/2026 11 PM PDT            9.70            286         0      Not Applicable
  07/27/2026 12 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 01 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 02 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 03 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 04 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 05 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 06 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 07 AM PDT            9.70            286         0      Not Applicable
  07/27/2026 08 AM PDT            9.71            290         +      Not Applicable
  07/27/2026 09 AM PDT            9.71            290         0      Not Applicable
  07/27/2026 10 AM PDT            9.71            290         0      Not Applicable
  07/27/2026 11 AM PDT            9.71            290         0      Not Applicable
  07/27/2026 12 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 01 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 02 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 03 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 04 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 05 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 06 PM PDT            9.71            290         0      Not Applicable
  07/27/2026 07 PM PDT            9.70            286         -      Not Applicable
  07/27/2026 08 PM PDT            9.70            286         0      Not Applicable
  07/27/2026 09 PM PDT            9.70            286         0      Not Applicable
  07/27/2026 10 PM PDT            9.69            282         -      Not Applicable
  07/27/2026 11 PM PDT            9.69            282         0      Not Applicable
  07/28/2026 12 AM PDT            9.69            282         0      Not Applicable
  07/28/2026 01 AM PDT            9.69            282         0      Not Applicable
  07/28/2026 02 AM PDT            9.69            282         0      Not Applicable
  07/28/2026 03 AM PDT            9.69            282         0      Not Applicable
  07/28/2026 04 AM PDT            9.69            282         0      Not Applicable
  07/28/2026 05 AM PDT            9.69            282         0      Not Applicable
  07/28/2026 06 AM PDT            9.70            286         +      Not Applicable
  07/28/2026 07 AM PDT            9.70            286         0      Not Applicable
  07/28/2026 08 AM PDT            9.70            286         0      Not Applicable
  07/28/2026 09 AM PDT            9.70            286         0      Not Applicable
  07/28/2026 10 AM PDT            9.71            290         +      Not Applicable
  07/28/2026 11 AM PDT            9.71            290         0      Not Applicable
  07/28/2026 12 PM PDT            9.71            290         0      Not Applicable
  07/28/2026 01 PM PDT            9.71            290         0      Not Applicable
  07/28/2026 02 PM PDT            9.71            290         0      Not Applicable
  07/28/2026 03 PM PDT            9.71            290         0      Not Applicable
  07/28/2026 04 PM PDT            9.71            290         0      Not Applicable
  07/28/2026 05 PM PDT            9.71            290         0      Not Applicable
  07/28/2026 06 PM PDT            9.70            286         -      Not Applicable
  07/28/2026 07 PM PDT            9.70            286         0      Not Applicable
  07/28/2026 08 PM PDT            9.70            286         0      Not Applicable
  07/28/2026 09 PM PDT            9.70            286         0      Not Applicable
  07/28/2026 10 PM PDT            9.70            286         0      Not Applicable
  07/28/2026 11 PM PDT            9.69            282         -      Not Applicable
  07/29/2026 12 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 01 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 02 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 03 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 04 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 05 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 06 AM PDT            9.69            282         0      Not Applicable
  07/29/2026 07 AM PDT            9.70            286         +      Not Applicable
  07/29/2026 08 AM PDT            9.70            286         0      Not Applicable
  07/29/2026 09 AM PDT            9.70            286         0      Not Applicable
  07/29/2026 10 AM PDT            9.70            286         0      Not Applicable
  07/29/2026 11 AM PDT            9.71            290         +      Not Applicable
  07/29/2026 12 PM PDT            9.71            290         0      Not Applicable
  07/29/2026 01 PM PDT            9.71            290         0      Not Applicable
  07/29/2026 02 PM PDT            9.71            290         0      Not Applicable
  07/29/2026 03 PM PDT            9.71            290         0      Not Applicable
  07/29/2026 04 PM PDT            9.71            290         0      Not Applicable
  07/29/2026 05 PM PDT            9.71            290         0      Not Applicable
  07/29/2026 06 PM PDT            9.70            286         -      Not Applicable
  07/29/2026 07 PM PDT            9.70            286         0      Not Applicable
  07/29/2026 08 PM PDT            9.70            286         0      Not Applicable
  07/29/2026 09 PM PDT            9.70            286         0      Not Applicable
  07/29/2026 10 PM PDT            9.69            282         -      Not Applicable
  07/29/2026 11 PM PDT            9.69            282         0      Not Applicable
  07/30/2026 12 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 01 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 02 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 03 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 04 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 05 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 06 AM PDT            9.69            282         0      Not Applicable
  07/30/2026 07 AM PDT            9.70            286         +      Not Applicable
  07/30/2026 08 AM PDT            9.70            286         0      Not Applicable
  07/30/2026 09 AM PDT            9.70            286         0      Not Applicable
  07/30/2026 10 AM PDT            9.70            286         0      Not Applicable
  07/30/2026 11 AM PDT            9.70            286         0      Not Applicable
  07/30/2026 12 PM PDT            9.71            290         +      Not Applicable
  07/30/2026 01 PM PDT            9.71            290         0      Not Applicable
  07/30/2026 02 PM PDT            9.71            290         0      Not Applicable
  07/30/2026 03 PM PDT            9.71            290         0      Not Applicable
  07/30/2026 04 PM PDT            9.71            290         0      Not Applicable
  07/30/2026 05 PM PDT            9.70            286         -      Not Applicable
  07/30/2026 06 PM PDT            9.70            286         0      Not Applicable
  07/30/2026 07 PM PDT            9.70            286         0      Not Applicable
  07/30/2026 08 PM PDT            9.69            282         -      Not Applicable
  07/30/2026 09 PM PDT            9.69            282         0      Not Applicable
  07/30/2026 10 PM PDT            9.69            282         0      Not Applicable
  07/30/2026 11 PM PDT            9.68            278         -      Not Applicable
  07/31/2026 12 AM PDT            9.68            278         0      Not Applicable
  07/31/2026 01 AM PDT            9.68            278         0      Not Applicable
  07/31/2026 02 AM PDT            9.68            278         0      Not Applicable
  07/31/2026 03 AM PDT            9.68            278         0      Not Applicable
  07/31/2026 04 AM PDT            9.68            278         0      Not Applicable
  07/31/2026 05 AM PDT            9.68            278         0      Not Applicable
  07/31/2026 06 AM PDT            9.69            282         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/31/2026 07 AM PDT            9.69            282                Not Applicable
  07/31/2026 08 AM PDT            9.69            282         0      Not Applicable
  07/31/2026 09 AM PDT            9.69            282         0      Not Applicable
  07/31/2026 10 AM PDT            9.69            282         0      Not Applicable
  07/31/2026 11 AM PDT            9.69            282         0      Not Applicable
  07/31/2026 12 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 01 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 02 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 03 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 04 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 05 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 06 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 07 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 08 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 09 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 10 PM PDT            9.69            282         0      Not Applicable
  07/31/2026 11 PM PDT            9.69            282         0      Not Applicable
  08/01/2026 12 AM PDT            9.69            282         0      Not Applicable
  08/01/2026 01 AM PDT            9.69            282         0      Not Applicable
  08/01/2026 02 AM PDT            9.69            282         0      Not Applicable
  08/01/2026 03 AM PDT            9.69            282         0      Not Applicable
  08/01/2026 04 AM PDT            9.69            282         0      Not Applicable
  08/01/2026 05 AM PDT            9.68            278         -      Not Applicable
  08/01/2026 06 AM PDT            9.68            278         0      Not Applicable
  08/01/2026 07 AM PDT            9.68            278         0      Not Applicable
  08/01/2026 08 AM PDT            9.68            278         0      Not Applicable
  08/01/2026 09 AM PDT            9.68            278         0      Not Applicable
  08/01/2026 10 AM PDT            9.68            278         0      Not Applicable
  08/01/2026 11 AM PDT            9.68            278         0      Not Applicable
  08/01/2026 12 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 01 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 02 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 03 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 04 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 05 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 06 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 07 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 08 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 09 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 10 PM PDT            9.68            278         0      Not Applicable
  08/01/2026 11 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 12 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 01 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 02 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 03 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 04 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 05 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 06 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 07 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 08 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 09 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 10 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 11 AM PDT            9.68            278         0      Not Applicable
  08/02/2026 12 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 01 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 02 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 03 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 04 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 05 PM PDT            9.68            278         0      Not Applicable
  08/02/2026 06 PM PDT            9.67            274         -      Not Applicable
  08/02/2026 07 PM PDT            9.67            274         0      Not Applicable
  08/02/2026 08 PM PDT            9.67            274         0      Not Applicable
  08/02/2026 09 PM PDT            9.67            274         0      Not Applicable
  08/02/2026 10 PM PDT            9.67            274         0      Not Applicable
  08/02/2026 11 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 12 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 01 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 02 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 03 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 04 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 05 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 06 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 07 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 08 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 09 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 10 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 11 AM PDT            9.67            274         0      Not Applicable
  08/03/2026 12 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 01 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 02 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 03 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 04 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 05 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 06 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 07 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 08 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 09 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 10 PM PDT            9.67            274         0      Not Applicable
  08/03/2026 11 PM PDT            9.67            274         0      Not Applicable
  08/04/2026 12 AM PDT            9.67            274         0      Not Applicable
  08/04/2026 01 AM PDT            9.67            274         0      Not Applicable
  08/04/2026 02 AM PDT            9.67            274         0      Not Applicable
  08/04/2026 03 AM PDT            9.66            270         -      Not Applicable
  08/04/2026 04 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 05 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 06 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 07 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 08 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 09 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 10 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 11 AM PDT            9.66            270         0      Not Applicable
  08/04/2026 12 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 01 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 02 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 03 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 04 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 05 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 06 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 07 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 08 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 09 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 10 PM PDT            9.66            270         0      Not Applicable
  08/04/2026 11 PM PDT            9.66            270         0      Not Applicable
  08/05/2026 12 AM PDT            9.66            270         0      Not Applicable
  08/05/2026 01 AM PDT            9.66            270         0      Not Applicable
  08/05/2026 02 AM PDT            9.66            270         0      Not Applicable
  08/05/2026 03 AM PDT            9.66            270         0      Not Applicable
  08/05/2026 04 AM PDT            9.66            270         0      Not Applicable
  08/05/2026 05 AM PDT            9.66            270         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.