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 01 2026 at 8:26 AM PDTNext Issuance: Apr 01 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:  04/01/2026 at 08:28 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/27/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       4.70 Feet
# Maximum Observed Flow:                        37 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/01/2026 at 07:00 PM PDT
# Maximum Forecast Stage:                       4.79 Feet
# Maximum Forecast Flow:                        46 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/27/2026 08 AM PDT            4.68             34                Not Applicable
  03/27/2026 09 AM PDT            4.68             34         0      Not Applicable
  03/27/2026 10 AM PDT            4.70             37         +      Not Applicable
  03/27/2026 11 AM PDT            4.70             37         0      Not Applicable
  03/27/2026 12 PM PDT            4.70             37         0      Not Applicable
  03/27/2026 01 PM PDT            4.70             37         0      Not Applicable
  03/27/2026 02 PM PDT            4.70             37         0      Not Applicable
  03/27/2026 03 PM PDT            4.68             34         -      Not Applicable
  03/27/2026 04 PM PDT            4.70             37         +      Not Applicable
  03/27/2026 05 PM PDT            4.68             34         -      Not Applicable
  03/27/2026 06 PM PDT            4.68             34         0      Not Applicable
  03/27/2026 07 PM PDT            4.68             34         0      Not Applicable
  03/27/2026 08 PM PDT            4.68             34         0      Not Applicable
  03/27/2026 09 PM PDT            4.68             34         0      Not Applicable
  03/27/2026 10 PM PDT            4.68             34         0      Not Applicable
  03/27/2026 11 PM PDT            4.67             33         -      Not Applicable
  03/28/2026 12 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 01 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 02 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 03 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 04 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 05 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 06 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 07 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 08 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 09 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 10 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 11 AM PDT            4.67             33         0      Not Applicable
  03/28/2026 12 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 01 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 02 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 03 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 04 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 05 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 06 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 07 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 08 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 09 PM PDT            4.67             33         0      Not Applicable
  03/28/2026 10 PM PDT            4.65             30         -      Not Applicable
  03/28/2026 11 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 12 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 01 AM PDT            4.67             33         +      Not Applicable
  03/29/2026 02 AM PDT            4.65             30         -      Not Applicable
  03/29/2026 03 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 04 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 05 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 06 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 07 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 08 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 09 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 10 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 11 AM PDT            4.65             30         0      Not Applicable
  03/29/2026 12 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 01 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 02 PM PDT            4.67             33         +      Not Applicable
  03/29/2026 03 PM PDT            4.65             30         -      Not Applicable
  03/29/2026 04 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 05 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 06 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 07 PM PDT            4.65             30         0      Not Applicable
  03/29/2026 08 PM PDT            4.64             29         -      Not Applicable
  03/29/2026 09 PM PDT            4.64             29         0      Not Applicable
  03/29/2026 10 PM PDT            4.64             29         0      Not Applicable
  03/29/2026 11 PM PDT            4.64             29         0      Not Applicable
  03/30/2026 12 AM PDT            4.64             29         0      Not Applicable
  03/30/2026 01 AM PDT            4.63             27         -      Not Applicable
  03/30/2026 02 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 03 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 04 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 05 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 06 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 07 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 08 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 09 AM PDT            4.64             29         +      Not Applicable
  03/30/2026 10 AM PDT            4.63             27         -      Not Applicable
  03/30/2026 11 AM PDT            4.63             27         0      Not Applicable
  03/30/2026 12 PM PDT            4.64             29         +      Not Applicable
  03/30/2026 01 PM PDT            4.64             29         0      Not Applicable
  03/30/2026 02 PM PDT            4.64             29         0      Not Applicable
  03/30/2026 03 PM PDT            4.63             27         -      Not Applicable
  03/30/2026 04 PM PDT            4.64             29         +      Not Applicable
  03/30/2026 05 PM PDT            4.63             27         -      Not Applicable
  03/30/2026 06 PM PDT            4.63             27         0      Not Applicable
  03/30/2026 07 PM PDT            4.63             27         0      Not Applicable
  03/30/2026 08 PM PDT            4.63             27         0      Not Applicable
  03/30/2026 09 PM PDT            4.63             27         0      Not Applicable
  03/30/2026 10 PM PDT            4.63             27         0      Not Applicable
  03/30/2026 11 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 12 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 01 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 02 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 03 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 04 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 05 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 06 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 07 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 08 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 09 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 10 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 11 AM PDT            4.63             27         0      Not Applicable
  03/31/2026 12 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 01 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 02 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 03 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 04 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 05 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 06 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 07 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 08 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 09 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 10 PM PDT            4.63             27         0      Not Applicable
  03/31/2026 11 PM PDT            4.63             27         0      Not Applicable
  04/01/2026 12 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 01 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 02 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 03 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 04 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 05 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 06 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 07 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 08 AM PDT            4.64             29         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/01/2026 09 AM PDT            4.63             27                Not Applicable
  04/01/2026 10 AM PDT            4.63             27         0      Not Applicable
  04/01/2026 11 AM PDT            4.64             29         +      Not Applicable
  04/01/2026 12 PM PDT            4.66             31         +      Not Applicable
  04/01/2026 01 PM PDT            4.66             31         0      Not Applicable
  04/01/2026 02 PM PDT            4.67             33         +      Not Applicable
  04/01/2026 03 PM PDT            4.69             35         +      Not Applicable
  04/01/2026 04 PM PDT            4.73             40         +      Not Applicable
  04/01/2026 05 PM PDT            4.75             42         +      Not Applicable
  04/01/2026 06 PM PDT            4.77             44         +      Not Applicable
  04/01/2026 07 PM PDT            4.79             46         +      Not Applicable
  04/01/2026 08 PM PDT            4.79             46         0      Not Applicable
  04/01/2026 09 PM PDT            4.76             43         -      Not Applicable
  04/01/2026 10 PM PDT            4.72             39         -      Not Applicable
  04/01/2026 11 PM PDT            4.69             35         -      Not Applicable
  04/02/2026 12 AM PDT            4.67             33         -      Not Applicable
  04/02/2026 01 AM PDT            4.67             33         0      Not Applicable
  04/02/2026 02 AM PDT            4.66             31         -      Not Applicable
  04/02/2026 03 AM PDT            4.66             31         0      Not Applicable
  04/02/2026 04 AM PDT            4.65             30         -      Not Applicable
  04/02/2026 05 AM PDT            4.64             29         -      Not Applicable
  04/02/2026 06 AM PDT            4.64             29         0      Not Applicable
  04/02/2026 07 AM PDT            4.63             27         -      Not Applicable
  04/02/2026 08 AM PDT            4.63             27         0      Not Applicable
  04/02/2026 09 AM PDT            4.62             26         -      Not Applicable
  04/02/2026 10 AM PDT            4.62             26         0      Not Applicable
  04/02/2026 11 AM PDT            4.62             26         0      Not Applicable
  04/02/2026 12 PM PDT            4.62             26         0      Not Applicable
  04/02/2026 01 PM PDT            4.62             26         0      Not Applicable
  04/02/2026 02 PM PDT            4.62             26         0      Not Applicable
  04/02/2026 03 PM PDT            4.62             26         0      Not Applicable
  04/02/2026 04 PM PDT            4.61             25         -      Not Applicable
  04/02/2026 05 PM PDT            4.61             25         0      Not Applicable
  04/02/2026 06 PM PDT            4.61             25         0      Not Applicable
  04/02/2026 07 PM PDT            4.61             25         0      Not Applicable
  04/02/2026 08 PM PDT            4.61             25         0      Not Applicable
  04/02/2026 09 PM PDT            4.61             25         0      Not Applicable
  04/02/2026 10 PM PDT            4.61             25         0      Not Applicable
  04/02/2026 11 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 12 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 01 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 02 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 03 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 04 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 05 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 06 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 07 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 08 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 09 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 10 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 11 AM PDT            4.61             25         0      Not Applicable
  04/03/2026 12 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 01 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 02 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 03 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 04 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 05 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 06 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 07 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 08 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 09 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 10 PM PDT            4.61             25         0      Not Applicable
  04/03/2026 11 PM PDT            4.61             25         0      Not Applicable
  04/04/2026 12 AM PDT            4.61             25         0      Not Applicable
  04/04/2026 01 AM PDT            4.61             25         0      Not Applicable
  04/04/2026 02 AM PDT            4.61             25         0      Not Applicable
  04/04/2026 03 AM PDT            4.61             25         0      Not Applicable
  04/04/2026 04 AM PDT            4.61             25         0      Not Applicable
  04/04/2026 05 AM PDT            4.61             25         0      Not Applicable
  04/04/2026 06 AM PDT            4.60             24         -      Not Applicable
  04/04/2026 07 AM PDT            4.60             24         0      Not Applicable
  04/04/2026 08 AM PDT            4.60             24         0      Not Applicable
  04/04/2026 09 AM PDT            4.60             24         0      Not Applicable
  04/04/2026 10 AM PDT            4.60             24         0      Not Applicable
  04/04/2026 11 AM PDT            4.60             24         0      Not Applicable
  04/04/2026 12 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 01 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 02 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 03 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 04 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 05 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 06 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 07 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 08 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 09 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 10 PM PDT            4.60             24         0      Not Applicable
  04/04/2026 11 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 12 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 01 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 02 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 03 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 04 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 05 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 06 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 07 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 08 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 09 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 10 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 11 AM PDT            4.60             24         0      Not Applicable
  04/05/2026 12 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 01 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 02 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 03 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 04 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 05 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 06 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 07 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 08 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 09 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 10 PM PDT            4.60             24         0      Not Applicable
  04/05/2026 11 PM PDT            4.59             23         -      Not Applicable
  04/06/2026 12 AM PDT            4.59             23         0      Not Applicable
  04/06/2026 01 AM PDT            4.59             23         0      Not Applicable
  04/06/2026 02 AM PDT            4.59             23         0      Not Applicable
  04/06/2026 03 AM PDT            4.59             23         0      Not Applicable
  04/06/2026 04 AM PDT            4.59             23         0      Not Applicable
  04/06/2026 05 AM PDT            4.59             23         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.