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

 | 

SOUTH FORK YUBA RIVER - JONES BAR (JNSC1)
Latitude: 39.29º NLongitude: 121.10º WElevation: 1060 FeetForecast Type: Unofficial Location
Location: Nevada County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Apr 16 2026 at 7:54 AM PDTNext Issuance: Apr 17 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: South Fork Yuba River - Jones Bar (JNSC1)
#
# File Generation Time:  04/16/2026 at 07:56 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/11/2026 at 11:00 PM PDT
# Maximum Observed Stage:                       11.26 Feet
# Maximum Observed Flow:                        5333 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/20/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       8.53 Feet
# Maximum Forecast Flow:                        2326 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/11/2026 07 AM PDT            8.63           2408                Not Applicable
  04/11/2026 08 AM PDT            8.68           2449         +      Not Applicable
  04/11/2026 09 AM PDT            8.75           2508         +      Not Applicable
  04/11/2026 10 AM PDT            8.85           2594         +      Not Applicable
  04/11/2026 11 AM PDT            8.93           2664         +      Not Applicable
  04/11/2026 12 PM PDT            9.05           2773         +      Not Applicable
  04/11/2026 01 PM PDT            9.14           2856         +      Not Applicable
  04/11/2026 02 PM PDT            9.14           2856         0      Not Applicable
  04/11/2026 03 PM PDT            9.21           2921         +      Not Applicable
  04/11/2026 04 PM PDT            9.31           3017         +      Not Applicable
  04/11/2026 05 PM PDT            9.32           3026         +      Not Applicable
  04/11/2026 06 PM PDT            9.43           3134         +      Not Applicable
  04/11/2026 07 PM PDT            9.75           3462         +      Not Applicable
  04/11/2026 08 PM PDT           10.28           4056         +      Not Applicable
  04/11/2026 09 PM PDT           10.66           4523         +      Not Applicable
  04/11/2026 10 PM PDT           11.11           5122         +      Not Applicable
  04/11/2026 11 PM PDT           11.26           5333         +      Not Applicable
  04/12/2026 12 AM PDT           10.98           4944         -      Not Applicable
  04/12/2026 01 AM PDT           10.74           4626         -      Not Applicable
  04/12/2026 02 AM PDT           10.69           4561         -      Not Applicable
  04/12/2026 03 AM PDT           10.57           4409         -      Not Applicable
  04/12/2026 04 AM PDT           10.32           4104         -      Not Applicable
  04/12/2026 05 AM PDT           10.35           4140         +      Not Applicable
  04/12/2026 06 AM PDT           10.30           4080         -      Not Applicable
  04/12/2026 07 AM PDT           10.17           3927         -      Not Applicable
  04/12/2026 08 AM PDT           10.15           3904         -      Not Applicable
  04/12/2026 09 AM PDT           10.12           3870         -      Not Applicable
  04/12/2026 10 AM PDT           10.22           3985         +      Not Applicable
  04/12/2026 11 AM PDT           10.08           3824         -      Not Applicable
  04/12/2026 12 PM PDT            9.97           3701         -      Not Applicable
  04/12/2026 01 PM PDT            9.98           3712         +      Not Applicable
  04/12/2026 02 PM PDT            9.95           3679         -      Not Applicable
  04/12/2026 03 PM PDT           10.00           3734         +      Not Applicable
  04/12/2026 04 PM PDT            9.91           3635         -      Not Applicable
  04/12/2026 05 PM PDT           10.03           3768         +      Not Applicable
  04/12/2026 06 PM PDT           10.00           3734         -      Not Applicable
  04/12/2026 07 PM PDT            9.92           3646         -      Not Applicable
  04/12/2026 08 PM PDT            9.92           3646         0      Not Applicable
  04/12/2026 09 PM PDT            9.92           3646         0      Not Applicable
  04/12/2026 10 PM PDT            9.86           3580         -      Not Applicable
  04/12/2026 11 PM PDT            9.74           3451         -      Not Applicable
  04/13/2026 12 AM PDT            9.73           3441         -      Not Applicable
  04/13/2026 01 AM PDT            9.65           3357         -      Not Applicable
  04/13/2026 02 AM PDT            9.66           3367         +      Not Applicable
  04/13/2026 03 AM PDT            9.59           3295         -      Not Applicable
  04/13/2026 04 AM PDT            9.48           3184         -      Not Applicable
  04/13/2026 05 AM PDT            9.45           3154         -      Not Applicable
  04/13/2026 06 AM PDT            9.47           3174         +      Not Applicable
  04/13/2026 07 AM PDT            9.46           3164         -      Not Applicable
  04/13/2026 08 AM PDT            9.42           3124         -      Not Applicable
  04/13/2026 09 AM PDT            9.32           3026         -      Not Applicable
  04/13/2026 10 AM PDT            9.27           2978         -      Not Applicable
  04/13/2026 11 AM PDT            9.25           2959         -      Not Applicable
  04/13/2026 12 PM PDT            9.16           2875         -      Not Applicable
  04/13/2026 01 PM PDT            9.19           2903         +      Not Applicable
  04/13/2026 02 PM PDT            9.04           2764         -      Not Applicable
  04/13/2026 03 PM PDT            8.95           2682         -      Not Applicable
  04/13/2026 04 PM PDT            8.91           2647         -      Not Applicable
  04/13/2026 05 PM PDT            8.90           2638         -      Not Applicable
  04/13/2026 06 PM PDT            8.85           2594         -      Not Applicable
  04/13/2026 07 PM PDT            8.82           2568         -      Not Applicable
  04/13/2026 08 PM PDT            8.48           2286         -      Not Applicable
  04/13/2026 09 PM PDT            8.37           2200         -      Not Applicable
  04/13/2026 10 PM PDT            8.26           2115         -      Not Applicable
  04/13/2026 11 PM PDT            8.21           2078         -      Not Applicable
  04/14/2026 12 AM PDT            8.27           2123         +      Not Applicable
  04/14/2026 01 AM PDT            8.27           2123         0      Not Applicable
  04/14/2026 02 AM PDT            8.27           2123         0      Not Applicable
  04/14/2026 03 AM PDT            8.37           2200         +      Not Applicable
  04/14/2026 04 AM PDT            8.38           2207         +      Not Applicable
  04/14/2026 05 AM PDT            8.36           2192         -      Not Applicable
  04/14/2026 06 AM PDT            8.35           2184         -      Not Applicable
  04/14/2026 07 AM PDT            8.31           2154         -      Not Applicable
  04/14/2026 08 AM PDT            8.32           2161         +      Not Applicable
  04/14/2026 09 AM PDT            8.37           2200         +      Not Applicable
  04/14/2026 10 AM PDT            8.36           2192         -      Not Applicable
  04/14/2026 11 AM PDT            8.37           2200         +      Not Applicable
  04/14/2026 12 PM PDT            8.34           2177         -      Not Applicable
  04/14/2026 01 PM PDT            8.32           2161         -      Not Applicable
  04/14/2026 02 PM PDT            8.36           2192         +      Not Applicable
  04/14/2026 03 PM PDT            8.35           2184         -      Not Applicable
  04/14/2026 04 PM PDT            8.34           2177         -      Not Applicable
  04/14/2026 05 PM PDT            8.34           2177         0      Not Applicable
  04/14/2026 06 PM PDT            8.33           2169         -      Not Applicable
  04/14/2026 07 PM PDT            8.35           2184         +      Not Applicable
  04/14/2026 08 PM PDT            8.32           2161         -      Not Applicable
  04/14/2026 09 PM PDT            8.35           2184         +      Not Applicable
  04/14/2026 10 PM PDT            8.31           2154         -      Not Applicable
  04/14/2026 11 PM PDT            8.39           2215         +      Not Applicable
  04/15/2026 12 AM PDT            8.41           2231         +      Not Applicable
  04/15/2026 01 AM PDT            8.39           2215         -      Not Applicable
  04/15/2026 02 AM PDT            8.41           2231         +      Not Applicable
  04/15/2026 03 AM PDT            8.40           2223         -      Not Applicable
  04/15/2026 04 AM PDT            8.43           2247         +      Not Applicable
  04/15/2026 05 AM PDT            8.44           2254         +      Not Applicable
  04/15/2026 06 AM PDT            8.43           2247         -      Not Applicable
  04/15/2026 07 AM PDT            8.45           2262         +      Not Applicable
  04/15/2026 08 AM PDT            8.44           2254         -      Not Applicable
  04/15/2026 09 AM PDT            8.44           2254         0      Not Applicable
  04/15/2026 10 AM PDT            8.44           2254         0      Not Applicable
  04/15/2026 11 AM PDT            8.47           2278         +      Not Applicable
  04/15/2026 12 PM PDT            8.45           2262         -      Not Applicable
  04/15/2026 01 PM PDT            8.47           2278         +      Not Applicable
  04/15/2026 02 PM PDT            8.43           2247         -      Not Applicable
  04/15/2026 03 PM PDT            8.43           2247         0      Not Applicable
  04/15/2026 04 PM PDT            8.43           2247         0      Not Applicable
  04/15/2026 05 PM PDT            8.34           2177         -      Not Applicable
  04/15/2026 06 PM PDT            8.25           2108         -      Not Applicable
  04/15/2026 07 PM PDT            8.26           2115         +      Not Applicable
  04/15/2026 08 PM PDT            8.26           2115         0      Not Applicable
  04/15/2026 09 PM PDT            8.22           2085         -      Not Applicable
  04/15/2026 10 PM PDT            8.29           2138         +      Not Applicable
  04/15/2026 11 PM PDT            8.25           2108         -      Not Applicable
  04/16/2026 12 AM PDT            8.34           2177         +      Not Applicable
  04/16/2026 01 AM PDT            8.38           2207         +      Not Applicable
  04/16/2026 02 AM PDT            8.41           2231         +      Not Applicable
  04/16/2026 03 AM PDT            8.37           2200         -      Not Applicable
  04/16/2026 04 AM PDT            8.41           2231         +      Not Applicable
  04/16/2026 05 AM PDT            8.38           2207         -      Not Applicable
  04/16/2026 06 AM PDT            8.43           2247         +      Not Applicable
  04/16/2026 07 AM PDT            8.44           2254         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/16/2026 08 AM PDT            8.42           2239                Not Applicable
  04/16/2026 09 AM PDT            8.41           2231         -      Not Applicable
  04/16/2026 10 AM PDT            8.41           2231         0      Not Applicable
  04/16/2026 11 AM PDT            8.40           2223         -      Not Applicable
  04/16/2026 12 PM PDT            8.40           2223         0      Not Applicable
  04/16/2026 01 PM PDT            8.39           2215         -      Not Applicable
  04/16/2026 02 PM PDT            8.39           2215         0      Not Applicable
  04/16/2026 03 PM PDT            8.39           2215         0      Not Applicable
  04/16/2026 04 PM PDT            8.38           2207         -      Not Applicable
  04/16/2026 05 PM PDT            8.38           2207         0      Not Applicable
  04/16/2026 06 PM PDT            8.37           2200         -      Not Applicable
  04/16/2026 07 PM PDT            8.37           2200         0      Not Applicable
  04/16/2026 08 PM PDT            8.36           2192         -      Not Applicable
  04/16/2026 09 PM PDT            8.36           2192         0      Not Applicable
  04/16/2026 10 PM PDT            8.35           2184         -      Not Applicable
  04/16/2026 11 PM PDT            8.35           2184         0      Not Applicable
  04/17/2026 12 AM PDT            8.34           2177         -      Not Applicable
  04/17/2026 01 AM PDT            8.34           2177         0      Not Applicable
  04/17/2026 02 AM PDT            8.34           2177         0      Not Applicable
  04/17/2026 03 AM PDT            8.34           2177         0      Not Applicable
  04/17/2026 04 AM PDT            8.34           2177         0      Not Applicable
  04/17/2026 05 AM PDT            8.35           2184         +      Not Applicable
  04/17/2026 06 AM PDT            8.35           2184         0      Not Applicable
  04/17/2026 07 AM PDT            8.35           2184         0      Not Applicable
  04/17/2026 08 AM PDT            8.35           2184         0      Not Applicable
  04/17/2026 09 AM PDT            8.35           2184         0      Not Applicable
  04/17/2026 10 AM PDT            8.34           2177         -      Not Applicable
  04/17/2026 11 AM PDT            8.34           2177         0      Not Applicable
  04/17/2026 12 PM PDT            8.33           2169         -      Not Applicable
  04/17/2026 01 PM PDT            8.32           2161         -      Not Applicable
  04/17/2026 02 PM PDT            8.31           2154         -      Not Applicable
  04/17/2026 03 PM PDT            8.31           2154         0      Not Applicable
  04/17/2026 04 PM PDT            8.30           2146         -      Not Applicable
  04/17/2026 05 PM PDT            8.29           2138         -      Not Applicable
  04/17/2026 06 PM PDT            8.29           2138         0      Not Applicable
  04/17/2026 07 PM PDT            8.28           2131         -      Not Applicable
  04/17/2026 08 PM PDT            8.28           2131         0      Not Applicable
  04/17/2026 09 PM PDT            8.28           2131         0      Not Applicable
  04/17/2026 10 PM PDT            8.28           2131         0      Not Applicable
  04/17/2026 11 PM PDT            8.28           2131         0      Not Applicable
  04/18/2026 12 AM PDT            8.27           2123         -      Not Applicable
  04/18/2026 01 AM PDT            8.27           2123         0      Not Applicable
  04/18/2026 02 AM PDT            8.26           2115         -      Not Applicable
  04/18/2026 03 AM PDT            8.27           2123         +      Not Applicable
  04/18/2026 04 AM PDT            8.27           2123         0      Not Applicable
  04/18/2026 05 AM PDT            8.28           2131         +      Not Applicable
  04/18/2026 06 AM PDT            8.29           2138         +      Not Applicable
  04/18/2026 07 AM PDT            8.30           2146         +      Not Applicable
  04/18/2026 08 AM PDT            8.30           2146         0      Not Applicable
  04/18/2026 09 AM PDT            8.31           2154         +      Not Applicable
  04/18/2026 10 AM PDT            8.32           2161         +      Not Applicable
  04/18/2026 11 AM PDT            8.32           2161         0      Not Applicable
  04/18/2026 12 PM PDT            8.33           2169         +      Not Applicable
  04/18/2026 01 PM PDT            8.33           2169         0      Not Applicable
  04/18/2026 02 PM PDT            8.33           2169         0      Not Applicable
  04/18/2026 03 PM PDT            8.33           2169         0      Not Applicable
  04/18/2026 04 PM PDT            8.32           2161         -      Not Applicable
  04/18/2026 05 PM PDT            8.32           2161         0      Not Applicable
  04/18/2026 06 PM PDT            8.31           2154         -      Not Applicable
  04/18/2026 07 PM PDT            8.32           2161         +      Not Applicable
  04/18/2026 08 PM PDT            8.32           2161         0      Not Applicable
  04/18/2026 09 PM PDT            8.33           2169         +      Not Applicable
  04/18/2026 10 PM PDT            8.34           2177         +      Not Applicable
  04/18/2026 11 PM PDT            8.35           2184         +      Not Applicable
  04/19/2026 12 AM PDT            8.36           2192         +      Not Applicable
  04/19/2026 01 AM PDT            8.37           2200         +      Not Applicable
  04/19/2026 02 AM PDT            8.38           2207         +      Not Applicable
  04/19/2026 03 AM PDT            8.39           2215         +      Not Applicable
  04/19/2026 04 AM PDT            8.39           2215         0      Not Applicable
  04/19/2026 05 AM PDT            8.40           2223         +      Not Applicable
  04/19/2026 06 AM PDT            8.42           2239         +      Not Applicable
  04/19/2026 07 AM PDT            8.43           2247         +      Not Applicable
  04/19/2026 08 AM PDT            8.43           2247         0      Not Applicable
  04/19/2026 09 AM PDT            8.44           2254         +      Not Applicable
  04/19/2026 10 AM PDT            8.45           2262         +      Not Applicable
  04/19/2026 11 AM PDT            8.46           2270         +      Not Applicable
  04/19/2026 12 PM PDT            8.46           2270         0      Not Applicable
  04/19/2026 01 PM PDT            8.46           2270         0      Not Applicable
  04/19/2026 02 PM PDT            8.47           2278         +      Not Applicable
  04/19/2026 03 PM PDT            8.47           2278         0      Not Applicable
  04/19/2026 04 PM PDT            8.47           2278         0      Not Applicable
  04/19/2026 05 PM PDT            8.47           2278         0      Not Applicable
  04/19/2026 06 PM PDT            8.47           2278         0      Not Applicable
  04/19/2026 07 PM PDT            8.47           2278         0      Not Applicable
  04/19/2026 08 PM PDT            8.48           2286         +      Not Applicable
  04/19/2026 09 PM PDT            8.48           2286         0      Not Applicable
  04/19/2026 10 PM PDT            8.48           2286         0      Not Applicable
  04/19/2026 11 PM PDT            8.49           2294         +      Not Applicable
  04/20/2026 12 AM PDT            8.49           2294         0      Not Applicable
  04/20/2026 01 AM PDT            8.50           2302         +      Not Applicable
  04/20/2026 02 AM PDT            8.51           2310         +      Not Applicable
  04/20/2026 03 AM PDT            8.51           2310         0      Not Applicable
  04/20/2026 04 AM PDT            8.52           2318         +      Not Applicable
  04/20/2026 05 AM PDT            8.52           2318         0      Not Applicable
  04/20/2026 06 AM PDT            8.52           2318         0      Not Applicable
  04/20/2026 07 AM PDT            8.53           2326         +      Not Applicable
  04/20/2026 08 AM PDT            8.53           2326         0      Not Applicable
  04/20/2026 09 AM PDT            8.53           2326         0      Not Applicable
  04/20/2026 10 AM PDT            8.53           2326         0      Not Applicable
  04/20/2026 11 AM PDT            8.53           2326         0      Not Applicable
  04/20/2026 12 PM PDT            8.52           2318         -      Not Applicable
  04/20/2026 01 PM PDT            8.52           2318         0      Not Applicable
  04/20/2026 02 PM PDT            8.52           2318         0      Not Applicable
  04/20/2026 03 PM PDT            8.51           2310         -      Not Applicable
  04/20/2026 04 PM PDT            8.50           2302         -      Not Applicable
  04/20/2026 05 PM PDT            8.50           2302         0      Not Applicable
  04/20/2026 06 PM PDT            8.49           2294         -      Not Applicable
  04/20/2026 07 PM PDT            8.48           2286         -      Not Applicable
  04/20/2026 08 PM PDT            8.48           2286         0      Not Applicable
  04/20/2026 09 PM PDT            8.47           2278         -      Not Applicable
  04/20/2026 10 PM PDT            8.46           2270         -      Not Applicable
  04/20/2026 11 PM PDT            8.46           2270         0      Not Applicable
  04/21/2026 12 AM PDT            8.45           2262         -      Not Applicable
  04/21/2026 01 AM PDT            8.45           2262         0      Not Applicable
  04/21/2026 02 AM PDT            8.44           2254         -      Not Applicable
  04/21/2026 03 AM PDT            8.43           2247         -      Not Applicable
  04/21/2026 04 AM PDT            8.43           2247         0      Not Applicable
  04/21/2026 05 AM PDT            8.42           2239         -      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.