| Latitude: 38.92º N | Longitude: 119.19º W | Elevation: 4420 Feet | Forecast Type: Official Location | |
| Location: Lyon County in Nevada | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra | ||
| Issuance Time: | Nov 12 2026 at 1:28 PM PST | Next Issuance: | Nov 13 2026 at 9:00 AM PST |
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| SPECIAL NOTE: | Significant losses can occur in the Mason Valley upstream of the Mason stream gage. Increased forecast uncertainty exists in the long range forecast due to these unknown losses. |
# Tabular Observed and Forecast Hydrograph Information # # Location: Walker River - Mason at Snyder Lane (MASN2) # # File Generation Time: 11/12/2026 at 01:28 PM PST # Data Interval: 1 Hour # # Most Recent Date & Time of Maximum Observed: 11/07/2026 at 08:00 PM PST # Maximum Observed Stage: 3.65 Feet # Maximum Observed Flow: 81 cfs # # Earliest Date & Time of Maximum Forecast: 11/15/2026 at 02:00 AM PST # Maximum Forecast Stage: 3.63 Feet # Maximum Forecast Flow: 79 cfs # # OBSERVED # # Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status # --------------------------------------------------------------------------------- 11/07/2026 01 PM PST 3.65 81 Normal 11/07/2026 02 PM PST 3.64 80 - Normal 11/07/2026 03 PM PST 3.64 80 0 Normal 11/07/2026 04 PM PST 3.63 79 - Normal 11/07/2026 05 PM PST 3.64 80 + Normal 11/07/2026 06 PM PST 3.64 80 0 Normal 11/07/2026 07 PM PST 3.64 80 0 Normal 11/07/2026 08 PM PST 3.65 81 + Normal 11/07/2026 09 PM PST 3.64 80 - Normal 11/07/2026 10 PM PST 3.64 80 0 Normal 11/07/2026 11 PM PST 3.64 80 0 Normal 11/08/2026 12 AM PST 3.64 80 0 Normal 11/08/2026 01 AM PST 3.64 80 0 Normal 11/08/2026 02 AM PST 3.64 80 0 Normal 11/08/2026 03 AM PST 3.64 80 0 Normal 11/08/2026 04 AM PST 3.64 80 0 Normal 11/08/2026 05 AM PST 3.63 79 - Normal 11/08/2026 06 AM PST 3.63 79 0 Normal 11/08/2026 07 AM PST 3.63 79 0 Normal 11/08/2026 08 AM PST 3.62 78 - Normal 11/08/2026 09 AM PST 3.63 79 + Normal 11/08/2026 10 AM PST 3.63 79 0 Normal 11/08/2026 11 AM PST 3.62 78 - Normal 11/08/2026 12 PM PST 3.62 78 0 Normal 11/08/2026 01 PM PST 3.62 78 0 Normal 11/08/2026 02 PM PST 3.62 78 0 Normal 11/08/2026 03 PM PST 3.62 78 0 Normal 11/08/2026 04 PM PST 3.62 78 0 Normal 11/08/2026 05 PM PST 3.62 78 0 Normal 11/08/2026 06 PM PST 3.62 78 0 Normal 11/08/2026 07 PM PST 3.62 78 0 Normal 11/08/2026 08 PM PST 3.62 78 0 Normal 11/08/2026 09 PM PST 3.62 78 0 Normal 11/08/2026 10 PM PST 3.62 78 0 Normal 11/08/2026 11 PM PST 3.62 78 0 Normal 11/09/2026 12 AM PST 3.62 78 0 Normal 11/09/2026 01 AM PST 3.61 77 - Normal 11/09/2026 02 AM PST 3.62 78 + Normal 11/09/2026 03 AM PST 3.62 78 0 Normal 11/09/2026 04 AM PST 3.62 78 0 Normal 11/09/2026 05 AM PST 3.62 78 0 Normal 11/09/2026 06 AM PST 3.61 77 - Normal 11/09/2026 07 AM PST 3.61 77 0 Normal 11/09/2026 08 AM PST 3.61 77 0 Normal 11/09/2026 09 AM PST 3.61 77 0 Normal 11/09/2026 10 AM PST 3.61 77 0 Normal 11/09/2026 11 AM PST 3.60 76 - Normal 11/09/2026 12 PM PST 3.60 76 0 Normal 11/09/2026 01 PM PST 3.61 77 + Normal 11/09/2026 02 PM PST 3.60 76 - Normal 11/09/2026 03 PM PST 3.60 76 0 Normal 11/09/2026 04 PM PST 3.60 76 0 Normal 11/09/2026 05 PM PST 3.60 76 0 Normal 11/09/2026 06 PM PST 3.61 77 + Normal 11/09/2026 07 PM PST 3.61 77 0 Normal 11/09/2026 08 PM PST 3.61 77 0 Normal 11/09/2026 09 PM PST 3.61 77 0 Normal 11/09/2026 10 PM PST 3.61 77 0 Normal 11/09/2026 11 PM PST 3.60 76 - Normal 11/10/2026 12 AM PST 3.60 76 0 Normal 11/10/2026 01 AM PST 3.60 76 0 Normal 11/10/2026 02 AM PST 3.60 76 0 Normal 11/10/2026 03 AM PST 3.61 77 + Normal 11/10/2026 04 AM PST 3.61 77 0 Normal 11/10/2026 05 AM PST 3.60 76 - Normal 11/10/2026 06 AM PST 3.60 76 0 Normal 11/10/2026 07 AM PST 3.60 76 0 Normal 11/10/2026 08 AM PST 3.59 75 - Normal 11/10/2026 09 AM PST 3.60 76 + Normal 11/10/2026 10 AM PST 3.59 75 - Normal 11/10/2026 11 AM PST 3.59 75 0 Normal 11/10/2026 12 PM PST 3.57 72 - Normal 11/10/2026 01 PM PST 3.59 75 + Normal 11/10/2026 02 PM PST 3.59 75 0 Normal 11/10/2026 03 PM PST 3.59 75 0 Normal 11/10/2026 04 PM PST 3.57 72 - Normal 11/10/2026 05 PM PST 3.53 68 - Normal 11/10/2026 06 PM PST 3.52 67 - Normal 11/10/2026 07 PM PST 3.52 67 0 Normal 11/10/2026 08 PM PST 3.51 66 - Normal 11/10/2026 09 PM PST 3.51 66 0 Normal 11/10/2026 10 PM PST 3.51 66 0 Normal 11/10/2026 11 PM PST 3.50 65 - Normal 11/11/2026 12 AM PST 3.50 65 0 Normal 11/11/2026 01 AM PST 3.50 65 0 Normal 11/11/2026 02 AM PST 3.50 65 0 Normal 11/11/2026 03 AM PST 3.50 65 0 Normal 11/11/2026 04 AM PST 3.50 65 0 Normal 11/11/2026 05 AM PST 3.50 65 0 Normal 11/11/2026 06 AM PST 3.49 64 - Normal 11/11/2026 07 AM PST 3.49 64 0 Normal 11/11/2026 08 AM PST 3.49 64 0 Normal 11/11/2026 09 AM PST 3.49 64 0 Normal 11/11/2026 10 AM PST 3.49 64 0 Normal 11/11/2026 11 AM PST 3.49 64 0 Normal 11/11/2026 12 PM PST 3.49 64 0 Normal 11/11/2026 01 PM PST 3.48 63 - Normal 11/11/2026 02 PM PST 3.48 63 0 Normal 11/11/2026 03 PM PST 3.48 63 0 Normal 11/11/2026 04 PM PST 3.48 63 0 Normal 11/11/2026 05 PM PST 3.48 63 0 Normal 11/11/2026 06 PM PST 3.48 63 0 Normal 11/11/2026 07 PM PST 3.48 63 0 Normal 11/11/2026 08 PM PST 3.48 63 0 Normal 11/11/2026 09 PM PST 3.48 63 0 Normal 11/11/2026 10 PM PST 3.47 62 - Normal 11/11/2026 11 PM PST 3.47 62 0 Normal 11/12/2026 12 AM PST 3.47 62 0 Normal 11/12/2026 01 AM PST 3.47 62 0 Normal 11/12/2026 02 AM PST 3.47 62 0 Normal 11/12/2026 03 AM PST 3.47 62 0 Normal 11/12/2026 04 AM PST 3.47 62 0 Normal 11/12/2026 05 AM PST 3.47 62 0 Normal 11/12/2026 06 AM PST 3.47 62 0 Normal 11/12/2026 07 AM PST 3.47 62 0 Normal 11/12/2026 08 AM PST 3.47 62 0 Normal 11/12/2026 09 AM PST 3.46 61 - Normal 11/12/2026 10 AM PST 3.47 62 + Normal 11/12/2026 11 AM PST 3.46 61 - Normal 11/12/2026 12 PM PST 3.46 61 0 Normal 11/12/2026 01 PM PST 3.44 59 - Normal # # FORECAST # # Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status # --------------------------------------------------------------------------------- 11/12/2026 02 PM PST 3.43 58 Normal 11/12/2026 03 PM PST 3.44 59 + Normal 11/12/2026 04 PM PST 3.47 62 + Normal 11/12/2026 05 PM PST 3.49 64 + Normal 11/12/2026 06 PM PST 3.50 65 + Normal 11/12/2026 07 PM PST 3.51 66 + Normal 11/12/2026 08 PM PST 3.52 67 + Normal 11/12/2026 09 PM PST 3.52 67 0 Normal 11/12/2026 10 PM PST 3.53 68 + Normal 11/12/2026 11 PM PST 3.53 68 0 Normal 11/13/2026 12 AM PST 3.53 68 0 Normal 11/13/2026 01 AM PST 3.54 69 + Normal 11/13/2026 02 AM PST 3.54 69 0 Normal 11/13/2026 03 AM PST 3.54 69 0 Normal 11/13/2026 04 AM PST 3.54 69 0 Normal 11/13/2026 05 AM PST 3.54 69 0 Normal 11/13/2026 06 AM PST 3.54 69 0 Normal 11/13/2026 07 AM PST 3.53 68 - Normal 11/13/2026 08 AM PST 3.53 68 0 Normal 11/13/2026 09 AM PST 3.53 68 0 Normal 11/13/2026 10 AM PST 3.53 68 0 Normal 11/13/2026 11 AM PST 3.53 68 0 Normal 11/13/2026 12 PM PST 3.53 68 0 Normal 11/13/2026 01 PM PST 3.53 68 0 Normal 11/13/2026 02 PM PST 3.53 68 0 Normal 11/13/2026 03 PM PST 3.53 68 0 Normal 11/13/2026 04 PM PST 3.53 68 0 Normal 11/13/2026 05 PM PST 3.53 68 0 Normal 11/13/2026 06 PM PST 3.53 68 0 Normal 11/13/2026 07 PM PST 3.53 68 0 Normal 11/13/2026 08 PM PST 3.53 68 0 Normal 11/13/2026 09 PM PST 3.54 69 + Normal 11/13/2026 10 PM PST 3.54 69 0 Normal 11/13/2026 11 PM PST 3.54 69 0 Normal 11/14/2026 12 AM PST 3.55 70 + Normal 11/14/2026 01 AM PST 3.55 70 0 Normal 11/14/2026 02 AM PST 3.56 71 + Normal 11/14/2026 03 AM PST 3.56 71 0 Normal 11/14/2026 04 AM PST 3.56 71 0 Normal 11/14/2026 05 AM PST 3.56 71 0 Normal 11/14/2026 06 AM PST 3.57 72 + Normal 11/14/2026 07 AM PST 3.57 72 0 Normal 11/14/2026 08 AM PST 3.57 72 0 Normal 11/14/2026 09 AM PST 3.58 74 + Normal 11/14/2026 10 AM PST 3.58 74 0 Normal 11/14/2026 11 AM PST 3.58 74 0 Normal 11/14/2026 12 PM PST 3.58 74 0 Normal 11/14/2026 01 PM PST 3.59 75 + Normal 11/14/2026 02 PM PST 3.59 75 0 Normal 11/14/2026 03 PM PST 3.59 75 0 Normal 11/14/2026 04 PM PST 3.59 75 0 Normal 11/14/2026 05 PM PST 3.60 76 + Normal 11/14/2026 06 PM PST 3.60 76 0 Normal 11/14/2026 07 PM PST 3.60 76 0 Normal 11/14/2026 08 PM PST 3.60 76 0 Normal 11/14/2026 09 PM PST 3.61 77 + Normal 11/14/2026 10 PM PST 3.62 78 + Normal 11/14/2026 11 PM PST 3.62 78 0 Normal 11/15/2026 12 AM PST 3.62 78 0 Normal 11/15/2026 01 AM PST 3.62 78 0 Normal 11/15/2026 02 AM PST 3.63 79 + Normal 11/15/2026 03 AM PST 3.63 79 0 Normal 11/15/2026 04 AM PST 3.63 79 0 Normal 11/15/2026 05 AM PST 3.63 79 0 Normal 11/15/2026 06 AM PST 3.63 79 0 Normal 11/15/2026 07 AM PST 3.62 78 - Normal 11/15/2026 08 AM PST 3.62 78 0 Normal 11/15/2026 09 AM PST 3.62 78 0 Normal 11/15/2026 10 AM PST 3.62 78 0 Normal 11/15/2026 11 AM PST 3.61 77 - Normal 11/15/2026 12 PM PST 3.61 77 0 Normal 11/15/2026 01 PM PST 3.61 77 0 Normal 11/15/2026 02 PM PST 3.60 76 - Normal 11/15/2026 03 PM PST 3.60 76 0 Normal 11/15/2026 04 PM PST 3.60 76 0 Normal 11/15/2026 05 PM PST 3.60 76 0 Normal 11/15/2026 06 PM PST 3.60 76 0 Normal 11/15/2026 07 PM PST 3.59 75 - Normal 11/15/2026 08 PM PST 3.59 75 0 Normal 11/15/2026 09 PM PST 3.59 75 0 Normal 11/15/2026 10 PM PST 3.59 75 0 Normal 11/15/2026 11 PM PST 3.59 75 0 Normal 11/16/2026 12 AM PST 3.59 75 0 Normal 11/16/2026 01 AM PST 3.59 75 0 Normal 11/16/2026 02 AM PST 3.59 75 0 Normal 11/16/2026 03 AM PST 3.58 74 - Normal 11/16/2026 04 AM PST 3.58 74 0 Normal 11/16/2026 05 AM PST 3.58 74 0 Normal 11/16/2026 06 AM PST 3.58 74 0 Normal 11/16/2026 07 AM PST 3.58 74 0 Normal 11/16/2026 08 AM PST 3.57 72 - Normal 11/16/2026 09 AM PST 3.57 72 0 Normal 11/16/2026 10 AM PST 3.57 72 0 Normal 11/16/2026 11 AM PST 3.57 72 0 Normal 11/16/2026 12 PM PST 3.57 72 0 Normal 11/16/2026 01 PM PST 3.57 72 0 Normal 11/16/2026 02 PM PST 3.57 72 0 Normal 11/16/2026 03 PM PST 3.57 72 0 Normal 11/16/2026 04 PM PST 3.57 72 0 Normal 11/16/2026 05 PM PST 3.57 72 0 Normal 11/16/2026 06 PM PST 3.57 72 0 Normal 11/16/2026 07 PM PST 3.57 72 0 Normal 11/16/2026 08 PM PST 3.57 72 0 Normal 11/16/2026 09 PM PST 3.57 72 0 Normal 11/16/2026 10 PM PST 3.57 72 0 Normal 11/16/2026 11 PM PST 3.57 72 0 Normal 11/17/2026 12 AM PST 3.58 74 + Normal 11/17/2026 01 AM PST 3.58 74 0 Normal 11/17/2026 02 AM PST 3.58 74 0 Normal 11/17/2026 03 AM PST 3.58 74 0 Normal 11/17/2026 04 AM PST 3.58 74 0 Normal # # 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. |