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

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MIDDLE FORK FEATHER RIVER - MERRIMAC (MRMC1)
Latitude: 39.70º NLongitude: 121.27º WElevation: 1560 FeetForecast Type: Unofficial Location
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Apr 01 2026 at 1:12 PM PDTNext Issuance: Apr 02 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: Middle Fork Feather River - Merrimac (MRMC1)
#
# File Generation Time:  04/01/2026 at 01:14 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/01/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       1606.14 Feet
# Maximum Observed Flow:                        1663 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/02/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       1607.17 Feet
# Maximum Forecast Flow:                        3284 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/27/2026 01 PM PDT         1605.65           1167                Not Applicable
  03/27/2026 02 PM PDT         1605.65           1167         0      Not Applicable
  03/27/2026 03 PM PDT         1605.65           1167         0      Not Applicable
  03/27/2026 04 PM PDT         1605.65           1167         0      Not Applicable
  03/27/2026 05 PM PDT         1605.63           1153         -      Not Applicable
  03/27/2026 06 PM PDT         1605.63           1153         0      Not Applicable
  03/27/2026 07 PM PDT         1605.63           1153         0      Not Applicable
  03/27/2026 08 PM PDT         1605.63           1153         0      Not Applicable
  03/27/2026 09 PM PDT         1605.62           1146         -      Not Applicable
  03/27/2026 10 PM PDT         1605.62           1146         0      Not Applicable
  03/27/2026 11 PM PDT         1605.60           1132         -      Not Applicable
  03/28/2026 12 AM PDT         1605.61           1139         +      Not Applicable
  03/28/2026 01 AM PDT         1605.60           1132         -      Not Applicable
  03/28/2026 02 AM PDT         1605.61           1139         +      Not Applicable
  03/28/2026 03 AM PDT         1605.60           1132         -      Not Applicable
  03/28/2026 04 AM PDT         1605.60           1132         0      Not Applicable
  03/28/2026 05 AM PDT         1605.60           1132         0      Not Applicable
  03/28/2026 06 AM PDT         1605.58           1117         -      Not Applicable
  03/28/2026 07 AM PDT         1605.58           1117         0      Not Applicable
  03/28/2026 08 AM PDT         1605.58           1117         0      Not Applicable
  03/28/2026 09 AM PDT         1605.58           1117         0      Not Applicable
  03/28/2026 10 AM PDT         1605.58           1117         0      Not Applicable
  03/28/2026 11 AM PDT         1605.57           1110         -      Not Applicable
  03/28/2026 12 PM PDT         1605.57           1110         0      Not Applicable
  03/28/2026 01 PM PDT         1605.58           1117         +      Not Applicable
  03/28/2026 02 PM PDT         1605.56           1103         -      Not Applicable
  03/28/2026 03 PM PDT         1605.57           1110         +      Not Applicable
  03/28/2026 04 PM PDT         1605.56           1103         -      Not Applicable
  03/28/2026 05 PM PDT         1605.56           1103         0      Not Applicable
  03/28/2026 06 PM PDT         1605.56           1103         0      Not Applicable
  03/28/2026 07 PM PDT         1605.55           1096         -      Not Applicable
  03/28/2026 08 PM PDT         1605.55           1096         0      Not Applicable
  03/28/2026 09 PM PDT         1605.54           1089         -      Not Applicable
  03/28/2026 10 PM PDT         1605.53           1082         -      Not Applicable
  03/28/2026 11 PM PDT         1605.54           1089         +      Not Applicable
  03/29/2026 12 AM PDT         1605.52           1075         -      Not Applicable
  03/29/2026 01 AM PDT         1605.53           1082         +      Not Applicable
  03/29/2026 02 AM PDT         1605.52           1075         -      Not Applicable
  03/29/2026 03 AM PDT         1605.52           1075         0      Not Applicable
  03/29/2026 04 AM PDT         1605.52           1075         0      Not Applicable
  03/29/2026 05 AM PDT         1605.51           1068         -      Not Applicable
  03/29/2026 06 AM PDT         1605.52           1075         +      Not Applicable
  03/29/2026 07 AM PDT         1605.52           1075         0      Not Applicable
  03/29/2026 08 AM PDT         1605.52           1075         0      Not Applicable
  03/29/2026 09 AM PDT         1605.51           1068         -      Not Applicable
  03/29/2026 10 AM PDT         1605.52           1075         +      Not Applicable
  03/29/2026 11 AM PDT         1605.51           1068         -      Not Applicable
  03/29/2026 12 PM PDT         1605.51           1068         0      Not Applicable
  03/29/2026 01 PM PDT         1605.52           1075         +      Not Applicable
  03/29/2026 02 PM PDT         1605.51           1068         -      Not Applicable
  03/29/2026 03 PM PDT         1605.51           1068         0      Not Applicable
  03/29/2026 04 PM PDT         1605.50           1061         -      Not Applicable
  03/29/2026 05 PM PDT         1605.49           1053         -      Not Applicable
  03/29/2026 06 PM PDT         1605.50           1061         +      Not Applicable
  03/29/2026 07 PM PDT         1605.50           1061         0      Not Applicable
  03/29/2026 08 PM PDT         1605.49           1053         -      Not Applicable
  03/29/2026 09 PM PDT         1605.47           1038         -      Not Applicable
  03/29/2026 10 PM PDT         1605.48           1046         +      Not Applicable
  03/29/2026 11 PM PDT         1605.47           1038         -      Not Applicable
  03/30/2026 12 AM PDT         1605.46           1031         -      Not Applicable
  03/30/2026 01 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 02 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 03 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 04 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 05 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 06 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 07 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 08 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 09 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 10 AM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 11 AM PDT         1605.45           1023         -      Not Applicable
  03/30/2026 12 PM PDT         1605.46           1031         +      Not Applicable
  03/30/2026 01 PM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 02 PM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 03 PM PDT         1605.46           1031         0      Not Applicable
  03/30/2026 04 PM PDT         1605.45           1023         -      Not Applicable
  03/30/2026 05 PM PDT         1605.44           1016         -      Not Applicable
  03/30/2026 06 PM PDT         1605.44           1016         0      Not Applicable
  03/30/2026 07 PM PDT         1605.43           1009         -      Not Applicable
  03/30/2026 08 PM PDT         1605.43           1009         0      Not Applicable
  03/30/2026 09 PM PDT         1605.43           1009         0      Not Applicable
  03/30/2026 10 PM PDT         1605.42           1001         -      Not Applicable
  03/30/2026 11 PM PDT         1605.42           1001         0      Not Applicable
  03/31/2026 12 AM PDT         1605.42           1001         0      Not Applicable
  03/31/2026 01 AM PDT         1605.41            994         -      Not Applicable
  03/31/2026 02 AM PDT         1605.41            994         0      Not Applicable
  03/31/2026 03 AM PDT         1605.41            994         0      Not Applicable
  03/31/2026 04 AM PDT         1605.41            994         0      Not Applicable
  03/31/2026 05 AM PDT         1605.40            987         -      Not Applicable
  03/31/2026 06 AM PDT         1605.40            987         0      Not Applicable
  03/31/2026 07 AM PDT         1605.40            987         0      Not Applicable
  03/31/2026 08 AM PDT         1605.40            987         0      Not Applicable
  03/31/2026 09 AM PDT         1605.41            994         +      Not Applicable
  03/31/2026 10 AM PDT         1605.41            994         0      Not Applicable
  03/31/2026 11 AM PDT         1605.41            994         0      Not Applicable
  03/31/2026 12 PM PDT         1605.42           1001         +      Not Applicable
  03/31/2026 01 PM PDT         1605.42           1001         0      Not Applicable
  03/31/2026 02 PM PDT         1605.42           1001         0      Not Applicable
  03/31/2026 03 PM PDT         1605.42           1001         0      Not Applicable
  03/31/2026 04 PM PDT         1605.44           1016         +      Not Applicable
  03/31/2026 05 PM PDT         1605.46           1031         +      Not Applicable
  03/31/2026 06 PM PDT         1605.47           1038         +      Not Applicable
  03/31/2026 07 PM PDT         1605.47           1038         0      Not Applicable
  03/31/2026 08 PM PDT         1605.49           1053         +      Not Applicable
  03/31/2026 09 PM PDT         1605.51           1068         +      Not Applicable
  03/31/2026 10 PM PDT         1605.54           1089         +      Not Applicable
  03/31/2026 11 PM PDT         1605.59           1125         +      Not Applicable
  04/01/2026 12 AM PDT         1605.64           1160         +      Not Applicable
  04/01/2026 01 AM PDT         1605.70           1204         +      Not Applicable
  04/01/2026 02 AM PDT         1605.74           1236         +      Not Applicable
  04/01/2026 03 AM PDT         1605.79           1278         +      Not Applicable
  04/01/2026 04 AM PDT         1605.84           1326         +      Not Applicable
  04/01/2026 05 AM PDT         1605.90           1388         +      Not Applicable
  04/01/2026 06 AM PDT         1605.91           1399         +      Not Applicable
  04/01/2026 07 AM PDT         1605.91           1399         0      Not Applicable
  04/01/2026 08 AM PDT         1605.93           1420         +      Not Applicable
  04/01/2026 09 AM PDT         1605.95           1442         +      Not Applicable
  04/01/2026 10 AM PDT         1605.98           1476         +      Not Applicable
  04/01/2026 11 AM PDT         1606.04           1544         +      Not Applicable
  04/01/2026 12 PM PDT         1606.09           1603         +      Not Applicable
  04/01/2026 01 PM PDT         1606.14           1663         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/01/2026 02 PM PDT         1606.18           1713                Not Applicable
  04/01/2026 03 PM PDT         1606.22           1763         +      Not Applicable
  04/01/2026 04 PM PDT         1606.27           1828         +      Not Applicable
  04/01/2026 05 PM PDT         1606.31           1881         +      Not Applicable
  04/01/2026 06 PM PDT         1606.41           2018         +      Not Applicable
  04/01/2026 07 PM PDT         1606.51           2160         +      Not Applicable
  04/01/2026 08 PM PDT         1606.61           2310         +      Not Applicable
  04/01/2026 09 PM PDT         1606.70           2451         +      Not Applicable
  04/01/2026 10 PM PDT         1606.78           2581         +      Not Applicable
  04/01/2026 11 PM PDT         1606.87           2734         +      Not Applicable
  04/02/2026 12 AM PDT         1606.92           2821         +      Not Applicable
  04/02/2026 01 AM PDT         1606.97           2909         +      Not Applicable
  04/02/2026 02 AM PDT         1607.03           3018         +      Not Applicable
  04/02/2026 03 AM PDT         1607.08           3111         +      Not Applicable
  04/02/2026 04 AM PDT         1607.12           3187         +      Not Applicable
  04/02/2026 05 AM PDT         1607.17           3284         +      Not Applicable
  04/02/2026 06 AM PDT         1607.16           3264         -      Not Applicable
  04/02/2026 07 AM PDT         1607.15           3245         -      Not Applicable
  04/02/2026 08 AM PDT         1607.14           3225         -      Not Applicable
  04/02/2026 09 AM PDT         1607.13           3206         -      Not Applicable
  04/02/2026 10 AM PDT         1607.12           3187         -      Not Applicable
  04/02/2026 11 AM PDT         1607.11           3168         -      Not Applicable
  04/02/2026 12 PM PDT         1607.07           3092         -      Not Applicable
  04/02/2026 01 PM PDT         1607.04           3036         -      Not Applicable
  04/02/2026 02 PM PDT         1607.00           2963         -      Not Applicable
  04/02/2026 03 PM PDT         1606.96           2891         -      Not Applicable
  04/02/2026 04 PM PDT         1606.92           2821         -      Not Applicable
  04/02/2026 05 PM PDT         1606.88           2751         -      Not Applicable
  04/02/2026 06 PM PDT         1606.85           2699         -      Not Applicable
  04/02/2026 07 PM PDT         1606.82           2648         -      Not Applicable
  04/02/2026 08 PM PDT         1606.79           2598         -      Not Applicable
  04/02/2026 09 PM PDT         1606.75           2532         -      Not Applicable
  04/02/2026 10 PM PDT         1606.72           2483         -      Not Applicable
  04/02/2026 11 PM PDT         1606.68           2419         -      Not Applicable
  04/03/2026 12 AM PDT         1606.67           2403         -      Not Applicable
  04/03/2026 01 AM PDT         1606.65           2372         -      Not Applicable
  04/03/2026 02 AM PDT         1606.64           2356         -      Not Applicable
  04/03/2026 03 AM PDT         1606.62           2325         -      Not Applicable
  04/03/2026 04 AM PDT         1606.61           2310         -      Not Applicable
  04/03/2026 05 AM PDT         1606.59           2280         -      Not Applicable
  04/03/2026 06 AM PDT         1606.58           2264         -      Not Applicable
  04/03/2026 07 AM PDT         1606.56           2234         -      Not Applicable
  04/03/2026 08 AM PDT         1606.55           2219         -      Not Applicable
  04/03/2026 09 AM PDT         1606.54           2204         -      Not Applicable
  04/03/2026 10 AM PDT         1606.52           2175         -      Not Applicable
  04/03/2026 11 AM PDT         1606.51           2160         -      Not Applicable
  04/03/2026 12 PM PDT         1606.49           2131         -      Not Applicable
  04/03/2026 01 PM PDT         1606.48           2117         -      Not Applicable
  04/03/2026 02 PM PDT         1606.47           2102         -      Not Applicable
  04/03/2026 03 PM PDT         1606.46           2088         -      Not Applicable
  04/03/2026 04 PM PDT         1606.44           2060         -      Not Applicable
  04/03/2026 05 PM PDT         1606.43           2046         -      Not Applicable
  04/03/2026 06 PM PDT         1606.43           2046         0      Not Applicable
  04/03/2026 07 PM PDT         1606.43           2046         0      Not Applicable
  04/03/2026 08 PM PDT         1606.44           2060         +      Not Applicable
  04/03/2026 09 PM PDT         1606.44           2060         0      Not Applicable
  04/03/2026 10 PM PDT         1606.44           2060         0      Not Applicable
  04/03/2026 11 PM PDT         1606.44           2060         0      Not Applicable
  04/04/2026 12 AM PDT         1606.45           2074         +      Not Applicable
  04/04/2026 01 AM PDT         1606.46           2088         +      Not Applicable
  04/04/2026 02 AM PDT         1606.47           2102         +      Not Applicable
  04/04/2026 03 AM PDT         1606.48           2117         +      Not Applicable
  04/04/2026 04 AM PDT         1606.49           2131         +      Not Applicable
  04/04/2026 05 AM PDT         1606.51           2160         +      Not Applicable
  04/04/2026 06 AM PDT         1606.50           2146         -      Not Applicable
  04/04/2026 07 AM PDT         1606.49           2131         -      Not Applicable
  04/04/2026 08 AM PDT         1606.49           2131         0      Not Applicable
  04/04/2026 09 AM PDT         1606.48           2117         -      Not Applicable
  04/04/2026 10 AM PDT         1606.48           2117         0      Not Applicable
  04/04/2026 11 AM PDT         1606.47           2102         -      Not Applicable
  04/04/2026 12 PM PDT         1606.46           2088         -      Not Applicable
  04/04/2026 01 PM PDT         1606.45           2074         -      Not Applicable
  04/04/2026 02 PM PDT         1606.44           2060         -      Not Applicable
  04/04/2026 03 PM PDT         1606.43           2046         -      Not Applicable
  04/04/2026 04 PM PDT         1606.42           2032         -      Not Applicable
  04/04/2026 05 PM PDT         1606.40           2004         -      Not Applicable
  04/04/2026 06 PM PDT         1606.41           2018         +      Not Applicable
  04/04/2026 07 PM PDT         1606.41           2018         0      Not Applicable
  04/04/2026 08 PM PDT         1606.42           2032         +      Not Applicable
  04/04/2026 09 PM PDT         1606.42           2032         0      Not Applicable
  04/04/2026 10 PM PDT         1606.43           2046         +      Not Applicable
  04/04/2026 11 PM PDT         1606.43           2046         0      Not Applicable
  04/05/2026 12 AM PDT         1606.44           2060         +      Not Applicable
  04/05/2026 01 AM PDT         1606.45           2074         +      Not Applicable
  04/05/2026 02 AM PDT         1606.46           2088         +      Not Applicable
  04/05/2026 03 AM PDT         1606.47           2102         +      Not Applicable
  04/05/2026 04 AM PDT         1606.48           2117         +      Not Applicable
  04/05/2026 05 AM PDT         1606.49           2131         +      Not Applicable
  04/05/2026 06 AM PDT         1606.49           2131         0      Not Applicable
  04/05/2026 07 AM PDT         1606.48           2117         -      Not Applicable
  04/05/2026 08 AM PDT         1606.48           2117         0      Not Applicable
  04/05/2026 09 AM PDT         1606.47           2102         -      Not Applicable
  04/05/2026 10 AM PDT         1606.47           2102         0      Not Applicable
  04/05/2026 11 AM PDT         1606.46           2088         -      Not Applicable
  04/05/2026 12 PM PDT         1606.45           2074         -      Not Applicable
  04/05/2026 01 PM PDT         1606.44           2060         -      Not Applicable
  04/05/2026 02 PM PDT         1606.42           2032         -      Not Applicable
  04/05/2026 03 PM PDT         1606.41           2018         -      Not Applicable
  04/05/2026 04 PM PDT         1606.40           2004         -      Not Applicable
  04/05/2026 05 PM PDT         1606.38           1976         -      Not Applicable
  04/05/2026 06 PM PDT         1606.38           1976         0      Not Applicable
  04/05/2026 07 PM PDT         1606.38           1976         0      Not Applicable
  04/05/2026 08 PM PDT         1606.37           1962         -      Not Applicable
  04/05/2026 09 PM PDT         1606.37           1962         0      Not Applicable
  04/05/2026 10 PM PDT         1606.36           1948         -      Not Applicable
  04/05/2026 11 PM PDT         1606.36           1948         0      Not Applicable
  04/06/2026 12 AM PDT         1606.36           1948         0      Not Applicable
  04/06/2026 01 AM PDT         1606.35           1935         -      Not Applicable
  04/06/2026 02 AM PDT         1606.35           1935         0      Not Applicable
  04/06/2026 03 AM PDT         1606.35           1935         0      Not Applicable
  04/06/2026 04 AM PDT         1606.35           1935         0      Not Applicable
  04/06/2026 05 AM PDT         1606.34           1921         -      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.