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

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RUSSIAN RIVER - UKIAH (UKAC1)
Latitude: 39.20º NLongitude: 123.19º WElevation: 599 FeetForecast Type: Unofficial Location
Location: Mendocino County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Apr 13 2026 at 9:00 AM PDTNext Issuance: Apr 13 2026 at 3:00 PM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Ukiah 3NNE (UKAC1)
#
# File Generation Time:  04/13/2026 at 09:02 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/12/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       6.54 Feet
# Maximum Observed Flow:                        433 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/13/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       5.48 Feet
# Maximum Forecast Flow:                        147 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/08/2026 09 AM PDT            4.54             17                Not Applicable
  04/08/2026 10 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 11 AM PDT            4.55             18         +      Not Applicable
  04/08/2026 12 PM PDT            4.54             17         -      Not Applicable
  04/08/2026 01 PM PDT            4.54             17         0      Not Applicable
  04/08/2026 02 PM PDT            4.54             17         0      Not Applicable
  04/08/2026 03 PM PDT            4.54             17         0      Not Applicable
  04/08/2026 04 PM PDT            4.53             16         -      Not Applicable
  04/08/2026 05 PM PDT            4.53             16         0      Not Applicable
  04/08/2026 06 PM PDT            4.54             17         +      Not Applicable
  04/08/2026 07 PM PDT            4.53             16         -      Not Applicable
  04/08/2026 08 PM PDT            4.54             17         +      Not Applicable
  04/08/2026 09 PM PDT            4.54             17         0      Not Applicable
  04/08/2026 10 PM PDT            4.54             17         0      Not Applicable
  04/08/2026 11 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 12 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 01 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 02 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 03 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 04 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 05 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 06 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 07 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 08 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 09 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 10 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 11 AM PDT            4.54             17         0      Not Applicable
  04/09/2026 12 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 01 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 02 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 03 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 04 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 05 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 06 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 07 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 08 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 09 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 10 PM PDT            4.54             17         0      Not Applicable
  04/09/2026 11 PM PDT            4.54             17         0      Not Applicable
  04/10/2026 12 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 01 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 02 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 03 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 04 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 05 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 06 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 07 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 08 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 09 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 10 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 11 AM PDT            4.54             17         0      Not Applicable
  04/10/2026 12 PM PDT            4.55             18         +      Not Applicable
  04/10/2026 01 PM PDT            4.54             17         -      Not Applicable
  04/10/2026 02 PM PDT            4.55             18         +      Not Applicable
  04/10/2026 03 PM PDT            4.58             22         +      Not Applicable
  04/10/2026 04 PM PDT            4.57             20         -      Not Applicable
  04/10/2026 05 PM PDT            4.60             24         +      Not Applicable
  04/10/2026 06 PM PDT            4.59             23         -      Not Applicable
  04/10/2026 07 PM PDT            4.63             27         +      Not Applicable
  04/10/2026 08 PM PDT            4.63             27         0      Not Applicable
  04/10/2026 09 PM PDT            4.61             25         -      Not Applicable
  04/10/2026 10 PM PDT            4.67             33         +      Not Applicable
  04/10/2026 11 PM PDT            4.78             45         +      Not Applicable
  04/11/2026 12 AM PDT            4.80             47         +      Not Applicable
  04/11/2026 01 AM PDT            4.80             47         0      Not Applicable
  04/11/2026 02 AM PDT            4.81             48         +      Not Applicable
  04/11/2026 03 AM PDT            4.83             50         +      Not Applicable
  04/11/2026 04 AM PDT            4.85             52         +      Not Applicable
  04/11/2026 05 AM PDT            4.90             58         +      Not Applicable
  04/11/2026 06 AM PDT            4.93             61         +      Not Applicable
  04/11/2026 07 AM PDT            4.95             64         +      Not Applicable
  04/11/2026 08 AM PDT            4.97             66         +      Not Applicable
  04/11/2026 09 AM PDT            4.98             67         +      Not Applicable
  04/11/2026 10 AM PDT            4.97             66         -      Not Applicable
  04/11/2026 11 AM PDT            4.97             66         0      Not Applicable
  04/11/2026 12 PM PDT            4.97             66         0      Not Applicable
  04/11/2026 01 PM PDT            4.98             67         +      Not Applicable
  04/11/2026 02 PM PDT            4.97             66         -      Not Applicable
  04/11/2026 03 PM PDT            4.96             65         -      Not Applicable
  04/11/2026 04 PM PDT            4.98             67         +      Not Applicable
  04/11/2026 05 PM PDT            5.00             70         +      Not Applicable
  04/11/2026 06 PM PDT            4.99             69         -      Not Applicable
  04/11/2026 07 PM PDT            5.01             71         +      Not Applicable
  04/11/2026 08 PM PDT            5.04             75         +      Not Applicable
  04/11/2026 09 PM PDT            5.08             81         +      Not Applicable
  04/11/2026 10 PM PDT            5.11             85         +      Not Applicable
  04/11/2026 11 PM PDT            5.21            100         +      Not Applicable
  04/12/2026 12 AM PDT            5.34            121         +      Not Applicable
  04/12/2026 01 AM PDT            5.40            132         +      Not Applicable
  04/12/2026 02 AM PDT            5.42            136         +      Not Applicable
  04/12/2026 03 AM PDT            5.40            132         -      Not Applicable
  04/12/2026 04 AM PDT            5.41            134         +      Not Applicable
  04/12/2026 05 AM PDT            5.41            134         0      Not Applicable
  04/12/2026 06 AM PDT            5.45            141         +      Not Applicable
  04/12/2026 07 AM PDT            5.50            151         +      Not Applicable
  04/12/2026 08 AM PDT            5.58            167         +      Not Applicable
  04/12/2026 09 AM PDT            5.65            181         +      Not Applicable
  04/12/2026 10 AM PDT            5.77            212         +      Not Applicable
  04/12/2026 11 AM PDT            5.81            224         +      Not Applicable
  04/12/2026 12 PM PDT            5.96            263         +      Not Applicable
  04/12/2026 01 PM PDT            6.21            333         +      Not Applicable
  04/12/2026 02 PM PDT            6.41            391         +      Not Applicable
  04/12/2026 03 PM PDT            6.51            423         +      Not Applicable
  04/12/2026 04 PM PDT            6.54            433         +      Not Applicable
  04/12/2026 05 PM PDT            6.50            420         -      Not Applicable
  04/12/2026 06 PM PDT            6.47            410         -      Not Applicable
  04/12/2026 07 PM PDT            6.40            388         -      Not Applicable
  04/12/2026 08 PM PDT            6.29            354         -      Not Applicable
  04/12/2026 09 PM PDT            6.21            333         -      Not Applicable
  04/12/2026 10 PM PDT            6.10            302         -      Not Applicable
  04/12/2026 11 PM PDT            6.01            277         -      Not Applicable
  04/13/2026 12 AM PDT            5.94            258         -      Not Applicable
  04/13/2026 01 AM PDT            5.87            240         -      Not Applicable
  04/13/2026 02 AM PDT            5.79            218         -      Not Applicable
  04/13/2026 03 AM PDT            5.74            203         -      Not Applicable
  04/13/2026 04 AM PDT            5.70            192         -      Not Applicable
  04/13/2026 05 AM PDT            5.64            179         -      Not Applicable
  04/13/2026 06 AM PDT            5.59            169         -      Not Applicable
  04/13/2026 07 AM PDT            5.57            165         -      Not Applicable
  04/13/2026 08 AM PDT            5.52            155         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/13/2026 09 AM PDT            5.48            147                Not Applicable
  04/13/2026 10 AM PDT            5.44            139         -      Not Applicable
  04/13/2026 11 AM PDT            5.40            132         -      Not Applicable
  04/13/2026 12 PM PDT            5.37            126         -      Not Applicable
  04/13/2026 01 PM PDT            5.33            119         -      Not Applicable
  04/13/2026 02 PM PDT            5.30            114         -      Not Applicable
  04/13/2026 03 PM PDT            5.27            109         -      Not Applicable
  04/13/2026 04 PM PDT            5.24            104         -      Not Applicable
  04/13/2026 05 PM PDT            5.21            100         -      Not Applicable
  04/13/2026 06 PM PDT            5.18             95         -      Not Applicable
  04/13/2026 07 PM PDT            5.15             91         -      Not Applicable
  04/13/2026 08 PM PDT            5.12             87         -      Not Applicable
  04/13/2026 09 PM PDT            5.10             84         -      Not Applicable
  04/13/2026 10 PM PDT            5.07             80         -      Not Applicable
  04/13/2026 11 PM PDT            5.05             77         -      Not Applicable
  04/14/2026 12 AM PDT            5.03             74         -      Not Applicable
  04/14/2026 01 AM PDT            5.00             70         -      Not Applicable
  04/14/2026 02 AM PDT            4.98             67         -      Not Applicable
  04/14/2026 03 AM PDT            4.96             65         -      Not Applicable
  04/14/2026 04 AM PDT            4.93             61         -      Not Applicable
  04/14/2026 05 AM PDT            4.91             59         -      Not Applicable
  04/14/2026 06 AM PDT            4.89             57         -      Not Applicable
  04/14/2026 07 AM PDT            4.87             54         -      Not Applicable
  04/14/2026 08 AM PDT            4.86             53         -      Not Applicable
  04/14/2026 09 AM PDT            4.86             53         0      Not Applicable
  04/14/2026 10 AM PDT            4.85             52         -      Not Applicable
  04/14/2026 11 AM PDT            4.85             52         0      Not Applicable
  04/14/2026 12 PM PDT            4.84             51         -      Not Applicable
  04/14/2026 01 PM PDT            4.84             51         0      Not Applicable
  04/14/2026 02 PM PDT            4.84             51         0      Not Applicable
  04/14/2026 03 PM PDT            4.84             51         0      Not Applicable
  04/14/2026 04 PM PDT            4.83             50         -      Not Applicable
  04/14/2026 05 PM PDT            4.83             50         0      Not Applicable
  04/14/2026 06 PM PDT            4.83             50         0      Not Applicable
  04/14/2026 07 PM PDT            4.83             50         0      Not Applicable
  04/14/2026 08 PM PDT            4.82             49         -      Not Applicable
  04/14/2026 09 PM PDT            4.82             49         0      Not Applicable
  04/14/2026 10 PM PDT            4.82             49         0      Not Applicable
  04/14/2026 11 PM PDT            4.82             49         0      Not Applicable
  04/15/2026 12 AM PDT            4.81             48         -      Not Applicable
  04/15/2026 01 AM PDT            4.81             48         0      Not Applicable
  04/15/2026 02 AM PDT            4.81             48         0      Not Applicable
  04/15/2026 03 AM PDT            4.81             48         0      Not Applicable
  04/15/2026 04 AM PDT            4.81             48         0      Not Applicable
  04/15/2026 05 AM PDT            4.81             48         0      Not Applicable
  04/15/2026 06 AM PDT            4.80             47         -      Not Applicable
  04/15/2026 07 AM PDT            4.80             47         0      Not Applicable
  04/15/2026 08 AM PDT            4.80             47         0      Not Applicable
  04/15/2026 09 AM PDT            4.80             47         0      Not Applicable
  04/15/2026 10 AM PDT            4.80             47         0      Not Applicable
  04/15/2026 11 AM PDT            4.80             47         0      Not Applicable
  04/15/2026 12 PM PDT            4.80             47         0      Not Applicable
  04/15/2026 01 PM PDT            4.80             47         0      Not Applicable
  04/15/2026 02 PM PDT            4.80             47         0      Not Applicable
  04/15/2026 03 PM PDT            4.79             46         -      Not Applicable
  04/15/2026 04 PM PDT            4.79             46         0      Not Applicable
  04/15/2026 05 PM PDT            4.79             46         0      Not Applicable
  04/15/2026 06 PM PDT            4.80             47         +      Not Applicable
  04/15/2026 07 PM PDT            4.80             47         0      Not Applicable
  04/15/2026 08 PM PDT            4.80             47         0      Not Applicable
  04/15/2026 09 PM PDT            4.81             48         +      Not Applicable
  04/15/2026 10 PM PDT            4.81             48         0      Not Applicable
  04/15/2026 11 PM PDT            4.80             47         -      Not Applicable
  04/16/2026 12 AM PDT            4.80             47         0      Not Applicable
  04/16/2026 01 AM PDT            4.80             47         0      Not Applicable
  04/16/2026 02 AM PDT            4.79             46         -      Not Applicable
  04/16/2026 03 AM PDT            4.79             46         0      Not Applicable
  04/16/2026 04 AM PDT            4.79             46         0      Not Applicable
  04/16/2026 05 AM PDT            4.78             45         -      Not Applicable
  04/16/2026 06 AM PDT            4.78             45         0      Not Applicable
  04/16/2026 07 AM PDT            4.78             45         0      Not Applicable
  04/16/2026 08 AM PDT            4.78             45         0      Not Applicable
  04/16/2026 09 AM PDT            4.78             45         0      Not Applicable
  04/16/2026 10 AM PDT            4.78             45         0      Not Applicable
  04/16/2026 11 AM PDT            4.78             45         0      Not Applicable
  04/16/2026 12 PM PDT            4.78             45         0      Not Applicable
  04/16/2026 01 PM PDT            4.77             44         -      Not Applicable
  04/16/2026 02 PM PDT            4.77             44         0      Not Applicable
  04/16/2026 03 PM PDT            4.77             44         0      Not Applicable
  04/16/2026 04 PM PDT            4.77             44         0      Not Applicable
  04/16/2026 05 PM PDT            4.77             44         0      Not Applicable
  04/16/2026 06 PM PDT            4.77             44         0      Not Applicable
  04/16/2026 07 PM PDT            4.77             44         0      Not Applicable
  04/16/2026 08 PM PDT            4.76             43         -      Not Applicable
  04/16/2026 09 PM PDT            4.76             43         0      Not Applicable
  04/16/2026 10 PM PDT            4.76             43         0      Not Applicable
  04/16/2026 11 PM PDT            4.76             43         0      Not Applicable
  04/17/2026 12 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 01 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 02 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 03 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 04 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 05 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 06 AM PDT            4.76             43         0      Not Applicable
  04/17/2026 07 AM PDT            4.75             42         -      Not Applicable
  04/17/2026 08 AM PDT            4.75             42         0      Not Applicable
  04/17/2026 09 AM PDT            4.75             42         0      Not Applicable
  04/17/2026 10 AM PDT            4.75             42         0      Not Applicable
  04/17/2026 11 AM PDT            4.75             42         0      Not Applicable
  04/17/2026 12 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 01 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 02 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 03 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 04 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 05 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 06 PM PDT            4.75             42         0      Not Applicable
  04/17/2026 07 PM PDT            4.74             41         -      Not Applicable
  04/17/2026 08 PM PDT            4.74             41         0      Not Applicable
  04/17/2026 09 PM PDT            4.74             41         0      Not Applicable
  04/17/2026 10 PM PDT            4.74             41         0      Not Applicable
  04/17/2026 11 PM PDT            4.74             41         0      Not Applicable
  04/18/2026 12 AM PDT            4.74             41         0      Not Applicable
  04/18/2026 01 AM PDT            4.74             41         0      Not Applicable
  04/18/2026 02 AM PDT            4.74             41         0      Not Applicable
  04/18/2026 03 AM PDT            4.74             41         0      Not Applicable
  04/18/2026 04 AM PDT            4.74             41         0      Not Applicable
  04/18/2026 05 AM PDT            4.74             41         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.