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MCCLOUD RIVER - SHASTA LAKE (MSSC1)
| Latitude: 40.95º N | Longitude: 122.22º W | Elevation: 1100 Feet | | Forecast Type: Unofficial Location |
| Location: Shasta County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Apr 20 2026 at 6:55 AM PDT | Next Issuance: | Apr 21 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: McCloud River - Above Shasta Lake (MSSC1)
#
# File Generation Time: 04/20/2026 at 06:57 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/15/2026 at 08:00 AM PDT
# Maximum Observed Stage: 10.60 Feet
# Maximum Observed Flow: 802 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/22/2026 at 11:00 AM PDT
# Maximum Forecast Stage: 11.48 Feet
# Maximum Forecast Flow: 1432 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/15/2026 06 AM PDT 10.60 802 Not Applicable
04/15/2026 07 AM PDT 10.60 802 0 Not Applicable
04/15/2026 08 AM PDT 10.60 802 0 Not Applicable
04/15/2026 09 AM PDT 10.59 795 - Not Applicable
04/15/2026 10 AM PDT 10.59 795 0 Not Applicable
04/15/2026 11 AM PDT 10.59 795 0 Not Applicable
04/15/2026 12 PM PDT 10.57 782 - Not Applicable
04/15/2026 01 PM PDT 10.57 782 0 Not Applicable
04/15/2026 02 PM PDT 10.56 775 - Not Applicable
04/15/2026 03 PM PDT 10.56 775 0 Not Applicable
04/15/2026 04 PM PDT 10.55 769 - Not Applicable
04/15/2026 05 PM PDT 10.55 769 0 Not Applicable
04/15/2026 06 PM PDT 10.55 769 0 Not Applicable
04/15/2026 07 PM PDT 10.54 762 - Not Applicable
04/15/2026 08 PM PDT 10.54 762 0 Not Applicable
04/15/2026 09 PM PDT 10.55 769 + Not Applicable
04/15/2026 10 PM PDT 10.55 769 0 Not Applicable
04/15/2026 11 PM PDT 10.55 769 0 Not Applicable
04/16/2026 12 AM PDT 10.55 769 0 Not Applicable
04/16/2026 01 AM PDT 10.55 769 0 Not Applicable
04/16/2026 02 AM PDT 10.55 769 0 Not Applicable
04/16/2026 03 AM PDT 10.54 762 - Not Applicable
04/16/2026 04 AM PDT 10.53 756 - Not Applicable
04/16/2026 05 AM PDT 10.53 756 0 Not Applicable
04/16/2026 06 AM PDT 10.52 750 - Not Applicable
04/16/2026 07 AM PDT 10.51 743 - Not Applicable
04/16/2026 08 AM PDT 10.51 743 0 Not Applicable
04/16/2026 09 AM PDT 10.50 737 - Not Applicable
04/16/2026 10 AM PDT 10.50 737 0 Not Applicable
04/16/2026 11 AM PDT 10.50 737 0 Not Applicable
04/16/2026 12 PM PDT 10.49 731 - Not Applicable
04/16/2026 01 PM PDT 10.49 731 0 Not Applicable
04/16/2026 02 PM PDT 10.48 724 - Not Applicable
04/16/2026 03 PM PDT 10.48 724 0 Not Applicable
04/16/2026 04 PM PDT 10.48 724 0 Not Applicable
04/16/2026 05 PM PDT 10.47 718 - Not Applicable
04/16/2026 06 PM PDT 10.47 718 0 Not Applicable
04/16/2026 07 PM PDT 10.46 712 - Not Applicable
04/16/2026 08 PM PDT 10.46 712 0 Not Applicable
04/16/2026 09 PM PDT 10.46 712 0 Not Applicable
04/16/2026 10 PM PDT 10.45 705 - Not Applicable
04/16/2026 11 PM PDT 10.45 705 0 Not Applicable
04/17/2026 12 AM PDT 10.45 705 0 Not Applicable
04/17/2026 01 AM PDT 10.45 705 0 Not Applicable
04/17/2026 02 AM PDT 10.44 699 - Not Applicable
04/17/2026 03 AM PDT 10.44 699 0 Not Applicable
04/17/2026 04 AM PDT 10.44 699 0 Not Applicable
04/17/2026 05 AM PDT 10.43 693 - Not Applicable
04/17/2026 06 AM PDT 10.43 693 0 Not Applicable
04/17/2026 07 AM PDT 10.43 693 0 Not Applicable
04/17/2026 08 AM PDT 10.42 687 - Not Applicable
04/17/2026 09 AM PDT 10.42 687 0 Not Applicable
04/17/2026 10 AM PDT 10.42 687 0 Not Applicable
04/17/2026 11 AM PDT 10.42 687 0 Not Applicable
04/17/2026 12 PM PDT 10.42 687 0 Not Applicable
04/17/2026 01 PM PDT 10.42 687 0 Not Applicable
04/17/2026 02 PM PDT 10.41 681 - Not Applicable
04/17/2026 03 PM PDT 10.41 681 0 Not Applicable
04/17/2026 04 PM PDT 10.41 681 0 Not Applicable
04/17/2026 05 PM PDT 10.41 681 0 Not Applicable
04/17/2026 06 PM PDT 10.41 681 0 Not Applicable
04/17/2026 07 PM PDT 10.41 681 0 Not Applicable
04/17/2026 08 PM PDT 10.40 675 - Not Applicable
04/17/2026 09 PM PDT 10.40 675 0 Not Applicable
04/17/2026 10 PM PDT 10.40 675 0 Not Applicable
04/17/2026 11 PM PDT 10.40 675 0 Not Applicable
04/18/2026 12 AM PDT 10.40 675 0 Not Applicable
04/18/2026 01 AM PDT 10.39 669 - Not Applicable
04/18/2026 02 AM PDT 10.39 669 0 Not Applicable
04/18/2026 03 AM PDT 10.39 669 0 Not Applicable
04/18/2026 04 AM PDT 10.39 669 0 Not Applicable
04/18/2026 05 AM PDT 10.39 669 0 Not Applicable
04/18/2026 06 AM PDT 10.38 663 - Not Applicable
04/18/2026 07 AM PDT 10.38 663 0 Not Applicable
04/18/2026 08 AM PDT 10.38 663 0 Not Applicable
04/18/2026 09 AM PDT 10.38 663 0 Not Applicable
04/18/2026 10 AM PDT 10.38 663 0 Not Applicable
04/18/2026 11 AM PDT 10.38 663 0 Not Applicable
04/18/2026 12 PM PDT 10.38 663 0 Not Applicable
04/18/2026 01 PM PDT 10.37 656 - Not Applicable
04/18/2026 02 PM PDT 10.37 656 0 Not Applicable
04/18/2026 03 PM PDT 10.37 656 0 Not Applicable
04/18/2026 04 PM PDT 10.36 650 - Not Applicable
04/18/2026 05 PM PDT 10.36 650 0 Not Applicable
04/18/2026 06 PM PDT 10.36 650 0 Not Applicable
04/18/2026 07 PM PDT 10.36 650 0 Not Applicable
04/18/2026 08 PM PDT 10.35 644 - Not Applicable
04/18/2026 09 PM PDT 10.35 644 0 Not Applicable
04/18/2026 10 PM PDT 10.35 644 0 Not Applicable
04/18/2026 11 PM PDT 10.35 644 0 Not Applicable
04/19/2026 12 AM PDT 10.35 644 0 Not Applicable
04/19/2026 01 AM PDT 10.35 644 0 Not Applicable
04/19/2026 02 AM PDT 10.35 644 0 Not Applicable
04/19/2026 03 AM PDT 10.35 644 0 Not Applicable
04/19/2026 04 AM PDT 10.34 638 - Not Applicable
04/19/2026 05 AM PDT 10.34 638 0 Not Applicable
04/19/2026 06 AM PDT 10.34 638 0 Not Applicable
04/19/2026 07 AM PDT 10.34 638 0 Not Applicable
04/19/2026 08 AM PDT 10.34 638 0 Not Applicable
04/19/2026 09 AM PDT 10.34 638 0 Not Applicable
04/19/2026 10 AM PDT 10.34 638 0 Not Applicable
04/19/2026 11 AM PDT 10.34 638 0 Not Applicable
04/19/2026 12 PM PDT 10.34 638 0 Not Applicable
04/19/2026 01 PM PDT 10.34 638 0 Not Applicable
04/19/2026 02 PM PDT 10.33 632 - Not Applicable
04/19/2026 03 PM PDT 10.33 632 0 Not Applicable
04/19/2026 04 PM PDT 10.33 632 0 Not Applicable
04/19/2026 05 PM PDT 10.33 632 0 Not Applicable
04/19/2026 06 PM PDT 10.32 627 - Not Applicable
04/19/2026 07 PM PDT 10.32 627 0 Not Applicable
04/19/2026 08 PM PDT 10.32 627 0 Not Applicable
04/19/2026 09 PM PDT 10.32 627 0 Not Applicable
04/19/2026 10 PM PDT 10.32 627 0 Not Applicable
04/19/2026 11 PM PDT 10.32 627 0 Not Applicable
04/20/2026 12 AM PDT 10.31 621 - Not Applicable
04/20/2026 01 AM PDT 10.31 621 0 Not Applicable
04/20/2026 02 AM PDT 10.31 621 0 Not Applicable
04/20/2026 03 AM PDT 10.31 621 0 Not Applicable
04/20/2026 04 AM PDT 10.31 621 0 Not Applicable
04/20/2026 05 AM PDT 10.31 621 0 Not Applicable
04/20/2026 06 AM PDT 10.31 621 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/20/2026 07 AM PDT 10.31 621 Not Applicable
04/20/2026 08 AM PDT 10.31 621 0 Not Applicable
04/20/2026 09 AM PDT 10.30 615 - Not Applicable
04/20/2026 10 AM PDT 10.30 615 0 Not Applicable
04/20/2026 11 AM PDT 10.30 615 0 Not Applicable
04/20/2026 12 PM PDT 10.30 615 0 Not Applicable
04/20/2026 01 PM PDT 10.30 615 0 Not Applicable
04/20/2026 02 PM PDT 10.30 615 0 Not Applicable
04/20/2026 03 PM PDT 10.30 615 0 Not Applicable
04/20/2026 04 PM PDT 10.30 615 0 Not Applicable
04/20/2026 05 PM PDT 10.30 615 0 Not Applicable
04/20/2026 06 PM PDT 10.30 615 0 Not Applicable
04/20/2026 07 PM PDT 10.31 621 + Not Applicable
04/20/2026 08 PM PDT 10.32 627 + Not Applicable
04/20/2026 09 PM PDT 10.32 627 0 Not Applicable
04/20/2026 10 PM PDT 10.33 632 + Not Applicable
04/20/2026 11 PM PDT 10.34 638 + Not Applicable
04/21/2026 12 AM PDT 10.36 650 + Not Applicable
04/21/2026 01 AM PDT 10.38 663 + Not Applicable
04/21/2026 02 AM PDT 10.40 675 + Not Applicable
04/21/2026 03 AM PDT 10.42 687 + Not Applicable
04/21/2026 04 AM PDT 10.45 705 + Not Applicable
04/21/2026 05 AM PDT 10.47 718 + Not Applicable
04/21/2026 06 AM PDT 10.52 750 + Not Applicable
04/21/2026 07 AM PDT 10.57 782 + Not Applicable
04/21/2026 08 AM PDT 10.61 809 + Not Applicable
04/21/2026 09 AM PDT 10.66 842 + Not Applicable
04/21/2026 10 AM PDT 10.71 877 + Not Applicable
04/21/2026 11 AM PDT 10.75 905 + Not Applicable
04/21/2026 12 PM PDT 10.80 941 + Not Applicable
04/21/2026 01 PM PDT 10.85 977 + Not Applicable
04/21/2026 02 PM PDT 10.90 1014 + Not Applicable
04/21/2026 03 PM PDT 10.95 1048 + Not Applicable
04/21/2026 04 PM PDT 10.99 1077 + Not Applicable
04/21/2026 05 PM PDT 11.04 1112 + Not Applicable
04/21/2026 06 PM PDT 11.08 1141 + Not Applicable
04/21/2026 07 PM PDT 11.12 1170 + Not Applicable
04/21/2026 08 PM PDT 11.16 1200 + Not Applicable
04/21/2026 09 PM PDT 11.20 1230 + Not Applicable
04/21/2026 10 PM PDT 11.24 1258 + Not Applicable
04/21/2026 11 PM PDT 11.28 1287 + Not Applicable
04/22/2026 12 AM PDT 11.30 1301 + Not Applicable
04/22/2026 01 AM PDT 11.32 1315 + Not Applicable
04/22/2026 02 AM PDT 11.35 1337 + Not Applicable
04/22/2026 03 AM PDT 11.37 1351 + Not Applicable
04/22/2026 04 AM PDT 11.39 1366 + Not Applicable
04/22/2026 05 AM PDT 11.41 1380 + Not Applicable
04/22/2026 06 AM PDT 11.43 1395 + Not Applicable
04/22/2026 07 AM PDT 11.44 1402 + Not Applicable
04/22/2026 08 AM PDT 11.45 1410 + Not Applicable
04/22/2026 09 AM PDT 11.46 1417 + Not Applicable
04/22/2026 10 AM PDT 11.47 1424 + Not Applicable
04/22/2026 11 AM PDT 11.48 1432 + Not Applicable
04/22/2026 12 PM PDT 11.48 1432 0 Not Applicable
04/22/2026 01 PM PDT 11.48 1432 0 Not Applicable
04/22/2026 02 PM PDT 11.47 1424 - Not Applicable
04/22/2026 03 PM PDT 11.47 1424 0 Not Applicable
04/22/2026 04 PM PDT 11.47 1424 0 Not Applicable
04/22/2026 05 PM PDT 11.47 1424 0 Not Applicable
04/22/2026 06 PM PDT 11.45 1410 - Not Applicable
04/22/2026 07 PM PDT 11.43 1395 - Not Applicable
04/22/2026 08 PM PDT 11.41 1380 - Not Applicable
04/22/2026 09 PM PDT 11.38 1358 - Not Applicable
04/22/2026 10 PM PDT 11.36 1344 - Not Applicable
04/22/2026 11 PM PDT 11.34 1329 - Not Applicable
04/23/2026 12 AM PDT 11.32 1315 - Not Applicable
04/23/2026 01 AM PDT 11.29 1294 - Not Applicable
04/23/2026 02 AM PDT 11.26 1272 - Not Applicable
04/23/2026 03 AM PDT 11.23 1251 - Not Applicable
04/23/2026 04 AM PDT 11.21 1237 - Not Applicable
04/23/2026 05 AM PDT 11.18 1215 - Not Applicable
04/23/2026 06 AM PDT 11.17 1207 - Not Applicable
04/23/2026 07 AM PDT 11.15 1193 - Not Applicable
04/23/2026 08 AM PDT 11.13 1178 - Not Applicable
04/23/2026 09 AM PDT 11.12 1170 - Not Applicable
04/23/2026 10 AM PDT 11.10 1156 - Not Applicable
04/23/2026 11 AM PDT 11.08 1141 - Not Applicable
04/23/2026 12 PM PDT 11.07 1134 - Not Applicable
04/23/2026 01 PM PDT 11.06 1127 - Not Applicable
04/23/2026 02 PM PDT 11.05 1120 - Not Applicable
04/23/2026 03 PM PDT 11.03 1105 - Not Applicable
04/23/2026 04 PM PDT 11.02 1098 - Not Applicable
04/23/2026 05 PM PDT 11.01 1091 - Not Applicable
04/23/2026 06 PM PDT 11.00 1084 - Not Applicable
04/23/2026 07 PM PDT 10.99 1077 - Not Applicable
04/23/2026 08 PM PDT 10.98 1070 - Not Applicable
04/23/2026 09 PM PDT 10.97 1063 - Not Applicable
04/23/2026 10 PM PDT 10.97 1063 0 Not Applicable
04/23/2026 11 PM PDT 10.96 1056 - Not Applicable
04/24/2026 12 AM PDT 10.95 1048 - Not Applicable
04/24/2026 01 AM PDT 10.95 1048 0 Not Applicable
04/24/2026 02 AM PDT 10.95 1048 0 Not Applicable
04/24/2026 03 AM PDT 10.94 1042 - Not Applicable
04/24/2026 04 AM PDT 10.94 1042 0 Not Applicable
04/24/2026 05 AM PDT 10.94 1042 0 Not Applicable
04/24/2026 06 AM PDT 10.93 1035 - Not Applicable
04/24/2026 07 AM PDT 10.93 1035 0 Not Applicable
04/24/2026 08 AM PDT 10.93 1035 0 Not Applicable
04/24/2026 09 AM PDT 10.92 1028 - Not Applicable
04/24/2026 10 AM PDT 10.92 1028 0 Not Applicable
04/24/2026 11 AM PDT 10.91 1021 - Not Applicable
04/24/2026 12 PM PDT 10.91 1021 0 Not Applicable
04/24/2026 01 PM PDT 10.90 1014 - Not Applicable
04/24/2026 02 PM PDT 10.90 1014 0 Not Applicable
04/24/2026 03 PM PDT 10.89 1006 - Not Applicable
04/24/2026 04 PM PDT 10.89 1006 0 Not Applicable
04/24/2026 05 PM PDT 10.88 999 - Not Applicable
04/24/2026 06 PM PDT 10.88 999 0 Not Applicable
04/24/2026 07 PM PDT 10.87 992 - Not Applicable
04/24/2026 08 PM PDT 10.86 984 - Not Applicable
04/24/2026 09 PM PDT 10.86 984 0 Not Applicable
04/24/2026 10 PM PDT 10.85 977 - Not Applicable
04/24/2026 11 PM PDT 10.84 970 - Not Applicable
04/25/2026 12 AM PDT 10.84 970 0 Not Applicable
04/25/2026 01 AM PDT 10.83 962 - Not Applicable
04/25/2026 02 AM PDT 10.82 955 - Not Applicable
04/25/2026 03 AM PDT 10.82 955 0 Not Applicable
04/25/2026 04 AM PDT 10.81 948 - Not Applicable
04/25/2026 05 AM PDT 10.80 941 - 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.
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