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 11 2026 at 8:32 AM PDTNext Issuance: Apr 12 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: Russian River - Ukiah 3NNE (UKAC1)
#
# File Generation Time:  04/11/2026 at 08:34 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/11/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       4.95 Feet
# Maximum Observed Flow:                        64 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       5.61 Feet
# Maximum Forecast Flow:                        173 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/06/2026 08 AM PDT            4.57             20                Not Applicable
  04/06/2026 09 AM PDT            4.58             22         +      Not Applicable
  04/06/2026 10 AM PDT            4.58             22         0      Not Applicable
  04/06/2026 11 AM PDT            4.58             22         0      Not Applicable
  04/06/2026 12 PM PDT            4.58             22         0      Not Applicable
  04/06/2026 01 PM PDT            4.58             22         0      Not Applicable
  04/06/2026 02 PM PDT            4.58             22         0      Not Applicable
  04/06/2026 03 PM PDT            4.57             20         -      Not Applicable
  04/06/2026 04 PM PDT            4.57             20         0      Not Applicable
  04/06/2026 05 PM PDT            4.55             18         -      Not Applicable
  04/06/2026 06 PM PDT            4.54             17         -      Not Applicable
  04/06/2026 07 PM PDT            4.55             18         +      Not Applicable
  04/06/2026 08 PM PDT            4.55             18         0      Not Applicable
  04/06/2026 09 PM PDT            4.55             18         0      Not Applicable
  04/06/2026 10 PM PDT            4.55             18         0      Not Applicable
  04/06/2026 11 PM PDT            4.55             18         0      Not Applicable
  04/07/2026 12 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 01 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 02 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 03 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 04 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 05 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 06 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 07 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 08 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 09 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 10 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 11 AM PDT            4.55             18         0      Not Applicable
  04/07/2026 12 PM PDT            4.55             18         0      Not Applicable
  04/07/2026 01 PM PDT            4.54             17         -      Not Applicable
  04/07/2026 02 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 03 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 04 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 05 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 06 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 07 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 08 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 09 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 10 PM PDT            4.54             17         0      Not Applicable
  04/07/2026 11 PM PDT            4.54             17         0      Not Applicable
  04/08/2026 12 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 01 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 02 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 03 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 04 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 05 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 06 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 07 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 08 AM PDT            4.54             17         0      Not Applicable
  04/08/2026 09 AM PDT            4.54             17         0      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            4.93             61         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  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            4.89             57         -      Not Applicable
  04/11/2026 12 PM PDT            4.87             54         -      Not Applicable
  04/11/2026 01 PM PDT            4.84             51         -      Not Applicable
  04/11/2026 02 PM PDT            4.81             48         -      Not Applicable
  04/11/2026 03 PM PDT            4.81             48         0      Not Applicable
  04/11/2026 04 PM PDT            4.80             47         -      Not Applicable
  04/11/2026 05 PM PDT            4.79             46         -      Not Applicable
  04/11/2026 06 PM PDT            4.79             46         0      Not Applicable
  04/11/2026 07 PM PDT            4.81             48         +      Not Applicable
  04/11/2026 08 PM PDT            4.83             50         +      Not Applicable
  04/11/2026 09 PM PDT            4.81             48         -      Not Applicable
  04/11/2026 10 PM PDT            4.80             47         -      Not Applicable
  04/11/2026 11 PM PDT            4.81             48         +      Not Applicable
  04/12/2026 12 AM PDT            4.81             48         0      Not Applicable
  04/12/2026 01 AM PDT            4.84             51         +      Not Applicable
  04/12/2026 02 AM PDT            4.94             63         +      Not Applicable
  04/12/2026 03 AM PDT            5.03             74         +      Not Applicable
  04/12/2026 04 AM PDT            5.02             73         -      Not Applicable
  04/12/2026 05 AM PDT            4.95             64         -      Not Applicable
  04/12/2026 06 AM PDT            4.88             56         -      Not Applicable
  04/12/2026 07 AM PDT            4.86             53         -      Not Applicable
  04/12/2026 08 AM PDT            4.83             50         -      Not Applicable
  04/12/2026 09 AM PDT            4.82             49         -      Not Applicable
  04/12/2026 10 AM PDT            4.83             50         +      Not Applicable
  04/12/2026 11 AM PDT            4.85             52         +      Not Applicable
  04/12/2026 12 PM PDT            4.87             54         +      Not Applicable
  04/12/2026 01 PM PDT            4.87             54         0      Not Applicable
  04/12/2026 02 PM PDT            4.85             52         -      Not Applicable
  04/12/2026 03 PM PDT            4.84             51         -      Not Applicable
  04/12/2026 04 PM PDT            4.85             52         +      Not Applicable
  04/12/2026 05 PM PDT            4.84             51         -      Not Applicable
  04/12/2026 06 PM PDT            4.83             50         -      Not Applicable
  04/12/2026 07 PM PDT            4.82             49         -      Not Applicable
  04/12/2026 08 PM PDT            4.87             54         +      Not Applicable
  04/12/2026 09 PM PDT            5.21            100         +      Not Applicable
  04/12/2026 10 PM PDT            5.57            165         +      Not Applicable
  04/12/2026 11 PM PDT            5.61            173         +      Not Applicable
  04/13/2026 12 AM PDT            5.49            149         -      Not Applicable
  04/13/2026 01 AM PDT            5.43            137         -      Not Applicable
  04/13/2026 02 AM PDT            5.36            125         -      Not Applicable
  04/13/2026 03 AM PDT            5.28            111         -      Not Applicable
  04/13/2026 04 AM PDT            5.22            101         -      Not Applicable
  04/13/2026 05 AM PDT            5.18             95         -      Not Applicable
  04/13/2026 06 AM PDT            5.14             89         -      Not Applicable
  04/13/2026 07 AM PDT            5.11             85         -      Not Applicable
  04/13/2026 08 AM PDT            5.08             81         -      Not Applicable
  04/13/2026 09 AM PDT            5.05             77         -      Not Applicable
  04/13/2026 10 AM PDT            5.02             73         -      Not Applicable
  04/13/2026 11 AM PDT            5.00             70         -      Not Applicable
  04/13/2026 12 PM PDT            4.97             66         -      Not Applicable
  04/13/2026 01 PM PDT            4.94             63         -      Not Applicable
  04/13/2026 02 PM PDT            4.92             60         -      Not Applicable
  04/13/2026 03 PM PDT            4.90             58         -      Not Applicable
  04/13/2026 04 PM PDT            4.88             56         -      Not Applicable
  04/13/2026 05 PM PDT            4.87             54         -      Not Applicable
  04/13/2026 06 PM PDT            4.85             52         -      Not Applicable
  04/13/2026 07 PM PDT            4.84             51         -      Not Applicable
  04/13/2026 08 PM PDT            4.83             50         -      Not Applicable
  04/13/2026 09 PM PDT            4.82             49         -      Not Applicable
  04/13/2026 10 PM PDT            4.81             48         -      Not Applicable
  04/13/2026 11 PM PDT            4.80             47         -      Not Applicable
  04/14/2026 12 AM PDT            4.80             47         0      Not Applicable
  04/14/2026 01 AM PDT            4.79             46         -      Not Applicable
  04/14/2026 02 AM PDT            4.79             46         0      Not Applicable
  04/14/2026 03 AM PDT            4.78             45         -      Not Applicable
  04/14/2026 04 AM PDT            4.78             45         0      Not Applicable
  04/14/2026 05 AM PDT            4.77             44         -      Not Applicable
  04/14/2026 06 AM PDT            4.77             44         0      Not Applicable
  04/14/2026 07 AM PDT            4.77             44         0      Not Applicable
  04/14/2026 08 AM PDT            4.76             43         -      Not Applicable
  04/14/2026 09 AM PDT            4.76             43         0      Not Applicable
  04/14/2026 10 AM PDT            4.76             43         0      Not Applicable
  04/14/2026 11 AM PDT            4.76             43         0      Not Applicable
  04/14/2026 12 PM PDT            4.75             42         -      Not Applicable
  04/14/2026 01 PM PDT            4.75             42         0      Not Applicable
  04/14/2026 02 PM PDT            4.75             42         0      Not Applicable
  04/14/2026 03 PM PDT            4.75             42         0      Not Applicable
  04/14/2026 04 PM PDT            4.74             41         -      Not Applicable
  04/14/2026 05 PM PDT            4.74             41         0      Not Applicable
  04/14/2026 06 PM PDT            4.74             41         0      Not Applicable
  04/14/2026 07 PM PDT            4.74             41         0      Not Applicable
  04/14/2026 08 PM PDT            4.74             41         0      Not Applicable
  04/14/2026 09 PM PDT            4.74             41         0      Not Applicable
  04/14/2026 10 PM PDT            4.74             41         0      Not Applicable
  04/14/2026 11 PM PDT            4.74             41         0      Not Applicable
  04/15/2026 12 AM PDT            4.74             41         0      Not Applicable
  04/15/2026 01 AM PDT            4.74             41         0      Not Applicable
  04/15/2026 02 AM PDT            4.74             41         0      Not Applicable
  04/15/2026 03 AM PDT            4.73             40         -      Not Applicable
  04/15/2026 04 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 05 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 06 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 07 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 08 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 09 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 10 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 11 AM PDT            4.73             40         0      Not Applicable
  04/15/2026 12 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 01 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 02 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 03 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 04 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 05 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 06 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 07 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 08 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 09 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 10 PM PDT            4.73             40         0      Not Applicable
  04/15/2026 11 PM PDT            4.73             40         0      Not Applicable
  04/16/2026 12 AM PDT            4.73             40         0      Not Applicable
  04/16/2026 01 AM PDT            4.73             40         0      Not Applicable
  04/16/2026 02 AM PDT            4.73             40         0      Not Applicable
  04/16/2026 03 AM PDT            4.73             40         0      Not Applicable
  04/16/2026 04 AM PDT            4.72             39         -      Not Applicable
  04/16/2026 05 AM PDT            4.72             39         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.