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

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SHASTA RIVER - YREKA (YREC1)
Latitude: 41.82º NLongitude: 122.59º WElevation: 2000 FeetForecast Type: Unofficial Location
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Apr 20 2026 at 6:49 AM PDTNext Issuance: Apr 21 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: Shasta River - Yreka (YREC1)
#
# File Generation Time:  04/20/2026 at 06:51 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/15/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       3.49 Feet
# Maximum Observed Flow:                        176 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 10:00 AM PDT
# Maximum Forecast Stage:                       3.75 Feet
# Maximum Forecast Flow:                        248 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/15/2026 06 AM PDT            3.49            176                Not Applicable
  04/15/2026 07 AM PDT            3.49            176         0      Not Applicable
  04/15/2026 08 AM PDT            3.48            173         -      Not Applicable
  04/15/2026 09 AM PDT            3.49            176         +      Not Applicable
  04/15/2026 10 AM PDT            3.48            173         -      Not Applicable
  04/15/2026 11 AM PDT            3.47            170         -      Not Applicable
  04/15/2026 12 PM PDT            3.48            173         +      Not Applicable
  04/15/2026 01 PM PDT            3.48            173         0      Not Applicable
  04/15/2026 02 PM PDT            3.46            167         -      Not Applicable
  04/15/2026 03 PM PDT            3.46            167         0      Not Applicable
  04/15/2026 04 PM PDT            3.45            164         -      Not Applicable
  04/15/2026 05 PM PDT            3.45            164         0      Not Applicable
  04/15/2026 06 PM PDT            3.45            164         0      Not Applicable
  04/15/2026 07 PM PDT            3.44            161         -      Not Applicable
  04/15/2026 08 PM PDT            3.45            164         +      Not Applicable
  04/15/2026 09 PM PDT            3.44            161         -      Not Applicable
  04/15/2026 10 PM PDT            3.44            161         0      Not Applicable
  04/15/2026 11 PM PDT            3.44            161         0      Not Applicable
  04/16/2026 12 AM PDT            3.43            159         -      Not Applicable
  04/16/2026 01 AM PDT            3.43            159         0      Not Applicable
  04/16/2026 02 AM PDT            3.43            159         0      Not Applicable
  04/16/2026 03 AM PDT            3.42            156         -      Not Applicable
  04/16/2026 04 AM PDT            3.43            159         +      Not Applicable
  04/16/2026 05 AM PDT            3.43            159         0      Not Applicable
  04/16/2026 06 AM PDT            3.43            159         0      Not Applicable
  04/16/2026 07 AM PDT            3.43            159         0      Not Applicable
  04/16/2026 08 AM PDT            3.43            159         0      Not Applicable
  04/16/2026 09 AM PDT            3.45            164         +      Not Applicable
  04/16/2026 10 AM PDT            3.45            164         0      Not Applicable
  04/16/2026 11 AM PDT            3.44            161         -      Not Applicable
  04/16/2026 12 PM PDT            3.46            167         +      Not Applicable
  04/16/2026 01 PM PDT            3.45            164         -      Not Applicable
  04/16/2026 02 PM PDT            3.46            167         +      Not Applicable
  04/16/2026 03 PM PDT            3.46            167         0      Not Applicable
  04/16/2026 04 PM PDT            3.45            164         -      Not Applicable
  04/16/2026 05 PM PDT            3.46            167         +      Not Applicable
  04/16/2026 06 PM PDT            3.46            167         0      Not Applicable
  04/16/2026 07 PM PDT            3.47            170         +      Not Applicable
  04/16/2026 08 PM PDT            3.46            167         -      Not Applicable
  04/16/2026 09 PM PDT            3.47            170         +      Not Applicable
  04/16/2026 10 PM PDT            3.46            167         -      Not Applicable
  04/16/2026 11 PM PDT            3.48            173         +      Not Applicable
  04/17/2026 12 AM PDT            3.47            170         -      Not Applicable
  04/17/2026 01 AM PDT            3.47            170         0      Not Applicable
  04/17/2026 02 AM PDT            3.47            170         0      Not Applicable
  04/17/2026 03 AM PDT            3.46            167         -      Not Applicable
  04/17/2026 04 AM PDT            3.46            167         0      Not Applicable
  04/17/2026 05 AM PDT            3.45            164         -      Not Applicable
  04/17/2026 06 AM PDT            3.45            164         0      Not Applicable
  04/17/2026 07 AM PDT            3.46            167         +      Not Applicable
  04/17/2026 08 AM PDT            3.45            164         -      Not Applicable
  04/17/2026 09 AM PDT            3.45            164         0      Not Applicable
  04/17/2026 10 AM PDT            3.45            164         0      Not Applicable
  04/17/2026 11 AM PDT            3.47            170         +      Not Applicable
  04/17/2026 12 PM PDT            3.46            167         -      Not Applicable
  04/17/2026 01 PM PDT            3.46            167         0      Not Applicable
  04/17/2026 02 PM PDT            3.45            164         -      Not Applicable
  04/17/2026 03 PM PDT            3.46            167         +      Not Applicable
  04/17/2026 04 PM PDT            3.46            167         0      Not Applicable
  04/17/2026 05 PM PDT            3.47            170         +      Not Applicable
  04/17/2026 06 PM PDT            3.46            167         -      Not Applicable
  04/17/2026 07 PM PDT            3.46            167         0      Not Applicable
  04/17/2026 08 PM PDT            3.47            170         +      Not Applicable
  04/17/2026 09 PM PDT            3.46            167         -      Not Applicable
  04/17/2026 10 PM PDT            3.45            164         -      Not Applicable
  04/17/2026 11 PM PDT            3.45            164         0      Not Applicable
  04/18/2026 12 AM PDT            3.45            164         0      Not Applicable
  04/18/2026 01 AM PDT            3.45            164         0      Not Applicable
  04/18/2026 02 AM PDT            3.43            159         -      Not Applicable
  04/18/2026 03 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 04 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 05 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 06 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 07 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 08 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 09 AM PDT            3.44            161         +      Not Applicable
  04/18/2026 10 AM PDT            3.43            159         -      Not Applicable
  04/18/2026 11 AM PDT            3.43            159         0      Not Applicable
  04/18/2026 12 PM PDT            3.43            159         0      Not Applicable
  04/18/2026 01 PM PDT            3.45            164         +      Not Applicable
  04/18/2026 02 PM PDT            3.43            159         -      Not Applicable
  04/18/2026 03 PM PDT            3.43            159         0      Not Applicable
  04/18/2026 04 PM PDT            3.42            156         -      Not Applicable
  04/18/2026 05 PM PDT            3.41            153         -      Not Applicable
  04/18/2026 06 PM PDT            3.41            153         0      Not Applicable
  04/18/2026 07 PM PDT            3.41            153         0      Not Applicable
  04/18/2026 08 PM PDT            3.41            153         0      Not Applicable
  04/18/2026 09 PM PDT            3.41            153         0      Not Applicable
  04/18/2026 10 PM PDT            3.41            153         0      Not Applicable
  04/18/2026 11 PM PDT            3.41            153         0      Not Applicable
  04/19/2026 12 AM PDT            3.40            151         -      Not Applicable
  04/19/2026 01 AM PDT            3.40            151         0      Not Applicable
  04/19/2026 02 AM PDT            3.40            151         0      Not Applicable
  04/19/2026 03 AM PDT            3.41            153         +      Not Applicable
  04/19/2026 04 AM PDT            3.39            148         -      Not Applicable
  04/19/2026 05 AM PDT            3.40            151         +      Not Applicable
  04/19/2026 06 AM PDT            3.40            151         0      Not Applicable
  04/19/2026 07 AM PDT            3.40            151         0      Not Applicable
  04/19/2026 08 AM PDT            3.40            151         0      Not Applicable
  04/19/2026 09 AM PDT            3.42            156         +      Not Applicable
  04/19/2026 10 AM PDT            3.44            161         +      Not Applicable
  04/19/2026 11 AM PDT            3.44            161         0      Not Applicable
  04/19/2026 12 PM PDT            3.44            161         0      Not Applicable
  04/19/2026 01 PM PDT            3.44            161         0      Not Applicable
  04/19/2026 02 PM PDT            3.42            156         -      Not Applicable
  04/19/2026 03 PM PDT            3.42            156         0      Not Applicable
  04/19/2026 04 PM PDT            3.41            153         -      Not Applicable
  04/19/2026 05 PM PDT            3.41            153         0      Not Applicable
  04/19/2026 06 PM PDT            3.41            153         0      Not Applicable
  04/19/2026 07 PM PDT            3.40            151         -      Not Applicable
  04/19/2026 08 PM PDT            3.39            148         -      Not Applicable
  04/19/2026 09 PM PDT            3.39            148         0      Not Applicable
  04/19/2026 10 PM PDT            3.37            143         -      Not Applicable
  04/19/2026 11 PM PDT            3.39            148         +      Not Applicable
  04/20/2026 12 AM PDT            3.37            143         -      Not Applicable
  04/20/2026 01 AM PDT            3.39            148         +      Not Applicable
  04/20/2026 02 AM PDT            3.37            143         -      Not Applicable
  04/20/2026 03 AM PDT            3.39            148         +      Not Applicable
  04/20/2026 04 AM PDT            3.39            148         0      Not Applicable
  04/20/2026 05 AM PDT            3.39            148         0      Not Applicable
  04/20/2026 06 AM PDT            3.40            151         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/20/2026 07 AM PDT            3.40            151                Not Applicable
  04/20/2026 08 AM PDT            3.40            151         0      Not Applicable
  04/20/2026 09 AM PDT            3.40            151         0      Not Applicable
  04/20/2026 10 AM PDT            3.40            151         0      Not Applicable
  04/20/2026 11 AM PDT            3.40            151         0      Not Applicable
  04/20/2026 12 PM PDT            3.39            148         -      Not Applicable
  04/20/2026 01 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 02 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 03 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 04 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 05 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 06 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 07 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 08 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 09 PM PDT            3.39            148         0      Not Applicable
  04/20/2026 10 PM PDT            3.38            145         -      Not Applicable
  04/20/2026 11 PM PDT            3.38            145         0      Not Applicable
  04/21/2026 12 AM PDT            3.39            148         +      Not Applicable
  04/21/2026 01 AM PDT            3.39            148         0      Not Applicable
  04/21/2026 02 AM PDT            3.39            148         0      Not Applicable
  04/21/2026 03 AM PDT            3.40            151         +      Not Applicable
  04/21/2026 04 AM PDT            3.40            151         0      Not Applicable
  04/21/2026 05 AM PDT            3.40            151         0      Not Applicable
  04/21/2026 06 AM PDT            3.41            153         +      Not Applicable
  04/21/2026 07 AM PDT            3.43            159         +      Not Applicable
  04/21/2026 08 AM PDT            3.44            161         +      Not Applicable
  04/21/2026 09 AM PDT            3.45            164         +      Not Applicable
  04/21/2026 10 AM PDT            3.46            167         +      Not Applicable
  04/21/2026 11 AM PDT            3.48            173         +      Not Applicable
  04/21/2026 12 PM PDT            3.49            176         +      Not Applicable
  04/21/2026 01 PM PDT            3.51            182         +      Not Applicable
  04/21/2026 02 PM PDT            3.53            188         +      Not Applicable
  04/21/2026 03 PM PDT            3.54            191         +      Not Applicable
  04/21/2026 04 PM PDT            3.56            197         +      Not Applicable
  04/21/2026 05 PM PDT            3.58            203         +      Not Applicable
  04/21/2026 06 PM PDT            3.59            206         +      Not Applicable
  04/21/2026 07 PM PDT            3.61            211         +      Not Applicable
  04/21/2026 08 PM PDT            3.62            214         +      Not Applicable
  04/21/2026 09 PM PDT            3.63            217         +      Not Applicable
  04/21/2026 10 PM PDT            3.65            222         +      Not Applicable
  04/21/2026 11 PM PDT            3.66            225         +      Not Applicable
  04/22/2026 12 AM PDT            3.67            227         +      Not Applicable
  04/22/2026 01 AM PDT            3.69            233         +      Not Applicable
  04/22/2026 02 AM PDT            3.70            235         +      Not Applicable
  04/22/2026 03 AM PDT            3.71            238         +      Not Applicable
  04/22/2026 04 AM PDT            3.72            240         +      Not Applicable
  04/22/2026 05 AM PDT            3.73            243         +      Not Applicable
  04/22/2026 06 AM PDT            3.73            243         0      Not Applicable
  04/22/2026 07 AM PDT            3.74            245         +      Not Applicable
  04/22/2026 08 AM PDT            3.74            245         0      Not Applicable
  04/22/2026 09 AM PDT            3.74            245         0      Not Applicable
  04/22/2026 10 AM PDT            3.75            248         +      Not Applicable
  04/22/2026 11 AM PDT            3.75            248         0      Not Applicable
  04/22/2026 12 PM PDT            3.74            245         -      Not Applicable
  04/22/2026 01 PM PDT            3.73            243         -      Not Applicable
  04/22/2026 02 PM PDT            3.73            243         0      Not Applicable
  04/22/2026 03 PM PDT            3.72            240         -      Not Applicable
  04/22/2026 04 PM PDT            3.71            238         -      Not Applicable
  04/22/2026 05 PM PDT            3.71            238         0      Not Applicable
  04/22/2026 06 PM PDT            3.69            233         -      Not Applicable
  04/22/2026 07 PM PDT            3.68            230         -      Not Applicable
  04/22/2026 08 PM PDT            3.67            227         -      Not Applicable
  04/22/2026 09 PM PDT            3.66            225         -      Not Applicable
  04/22/2026 10 PM PDT            3.65            222         -      Not Applicable
  04/22/2026 11 PM PDT            3.63            217         -      Not Applicable
  04/23/2026 12 AM PDT            3.62            214         -      Not Applicable
  04/23/2026 01 AM PDT            3.61            211         -      Not Applicable
  04/23/2026 02 AM PDT            3.60            209         -      Not Applicable
  04/23/2026 03 AM PDT            3.59            206         -      Not Applicable
  04/23/2026 04 AM PDT            3.58            203         -      Not Applicable
  04/23/2026 05 AM PDT            3.57            200         -      Not Applicable
  04/23/2026 06 AM PDT            3.56            197         -      Not Applicable
  04/23/2026 07 AM PDT            3.55            194         -      Not Applicable
  04/23/2026 08 AM PDT            3.54            191         -      Not Applicable
  04/23/2026 09 AM PDT            3.53            188         -      Not Applicable
  04/23/2026 10 AM PDT            3.52            185         -      Not Applicable
  04/23/2026 11 AM PDT            3.52            185         0      Not Applicable
  04/23/2026 12 PM PDT            3.51            182         -      Not Applicable
  04/23/2026 01 PM PDT            3.50            179         -      Not Applicable
  04/23/2026 02 PM PDT            3.49            176         -      Not Applicable
  04/23/2026 03 PM PDT            3.48            173         -      Not Applicable
  04/23/2026 04 PM PDT            3.48            173         0      Not Applicable
  04/23/2026 05 PM PDT            3.47            170         -      Not Applicable
  04/23/2026 06 PM PDT            3.46            167         -      Not Applicable
  04/23/2026 07 PM PDT            3.46            167         0      Not Applicable
  04/23/2026 08 PM PDT            3.45            164         -      Not Applicable
  04/23/2026 09 PM PDT            3.44            161         -      Not Applicable
  04/23/2026 10 PM PDT            3.44            161         0      Not Applicable
  04/23/2026 11 PM PDT            3.43            159         -      Not Applicable
  04/24/2026 12 AM PDT            3.42            156         -      Not Applicable
  04/24/2026 01 AM PDT            3.42            156         0      Not Applicable
  04/24/2026 02 AM PDT            3.42            156         0      Not Applicable
  04/24/2026 03 AM PDT            3.41            153         -      Not Applicable
  04/24/2026 04 AM PDT            3.41            153         0      Not Applicable
  04/24/2026 05 AM PDT            3.40            151         -      Not Applicable
  04/24/2026 06 AM PDT            3.40            151         0      Not Applicable
  04/24/2026 07 AM PDT            3.40            151         0      Not Applicable
  04/24/2026 08 AM PDT            3.39            148         -      Not Applicable
  04/24/2026 09 AM PDT            3.39            148         0      Not Applicable
  04/24/2026 10 AM PDT            3.39            148         0      Not Applicable
  04/24/2026 11 AM PDT            3.38            145         -      Not Applicable
  04/24/2026 12 PM PDT            3.38            145         0      Not Applicable
  04/24/2026 01 PM PDT            3.38            145         0      Not Applicable
  04/24/2026 02 PM PDT            3.38            145         0      Not Applicable
  04/24/2026 03 PM PDT            3.37            143         -      Not Applicable
  04/24/2026 04 PM PDT            3.37            143         0      Not Applicable
  04/24/2026 05 PM PDT            3.37            143         0      Not Applicable
  04/24/2026 06 PM PDT            3.37            143         0      Not Applicable
  04/24/2026 07 PM PDT            3.36            140         -      Not Applicable
  04/24/2026 08 PM PDT            3.36            140         0      Not Applicable
  04/24/2026 09 PM PDT            3.36            140         0      Not Applicable
  04/24/2026 10 PM PDT            3.35            138         -      Not Applicable
  04/24/2026 11 PM PDT            3.35            138         0      Not Applicable
  04/25/2026 12 AM PDT            3.35            138         0      Not Applicable
  04/25/2026 01 AM PDT            3.35            138         0      Not Applicable
  04/25/2026 02 AM PDT            3.35            138         0      Not Applicable
  04/25/2026 03 AM PDT            3.35            138         0      Not Applicable
  04/25/2026 04 AM PDT            3.35            138         0      Not Applicable
  04/25/2026 05 AM PDT            3.35            138         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.