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

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TRUCKEE RIVER - RENO (TRRN2)
Latitude: 39.53º NLongitude: 119.79º WElevation: 4445 Feet
Location: Washoe County in NevadaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Issuance Time: Dec 27 2025 at 9:38 AM PSTNext Issuance: Dec 28 2025 at 9:00 AM PST
Action/Monitor: 10.0 FeetMinor Flood: 12.0 FeetModerate Flood: 13.0 FeetMajor Flood: 14.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Truckee River - Reno (TRRN2)
#
# File Generation Time:  12/27/2025 at 09:41 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/24/2025 at 06:00 PM PST
# Maximum Observed Stage:                       8.47 Feet
# Maximum Observed Flow:                        3853 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/27/2025 at 10:00 AM PST
# Maximum Forecast Stage:                       5.58 Feet
# Maximum Forecast Flow:                        954 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/22/2025 09 AM PST            7.45           2565                        Normal
  12/22/2025 10 AM PST            7.47           2587         +              Normal
  12/22/2025 11 AM PST            7.48           2598         +              Normal
  12/22/2025 12 PM PST            7.62           2755         +              Normal
  12/22/2025 01 PM PST            7.73           2882         +              Normal
  12/22/2025 02 PM PST            7.83           3001         +              Normal
  12/22/2025 03 PM PST            7.80           2965         -              Normal
  12/22/2025 04 PM PST            7.90           3086         +              Normal
  12/22/2025 05 PM PST            7.88           3062         -              Normal
  12/22/2025 06 PM PST            7.91           3099         +              Normal
  12/22/2025 07 PM PST            7.78           2941         -              Normal
  12/22/2025 08 PM PST            7.65           2789         -              Normal
  12/22/2025 09 PM PST            7.50           2620         -              Normal
  12/22/2025 10 PM PST            7.39           2500         -              Normal
  12/22/2025 11 PM PST            7.27           2373         -              Normal
  12/23/2025 12 AM PST            7.20           2301         -              Normal
  12/23/2025 01 AM PST            7.11           2211         -              Normal
  12/23/2025 02 AM PST            7.04           2142         -              Normal
  12/23/2025 03 AM PST            7.01           2111         -              Normal
  12/23/2025 04 AM PST            6.96           2060         -              Normal
  12/23/2025 05 AM PST            6.90           2000         -              Normal
  12/23/2025 06 AM PST            6.85           1951         -              Normal
  12/23/2025 07 AM PST            6.78           1884         -              Normal
  12/23/2025 08 AM PST            6.71           1819         -              Normal
  12/23/2025 09 AM PST            6.64           1755         -              Normal
  12/23/2025 10 AM PST            6.58           1701         -              Normal
  12/23/2025 11 AM PST            6.53           1657         -              Normal
  12/23/2025 12 PM PST            6.49           1622         -              Normal
  12/23/2025 01 PM PST            6.45           1588         -              Normal
  12/23/2025 02 PM PST            6.40           1546         -              Normal
  12/23/2025 03 PM PST            6.37           1522         -              Normal
  12/23/2025 04 PM PST            6.33           1489         -              Normal
  12/23/2025 05 PM PST            6.31           1473         -              Normal
  12/23/2025 06 PM PST            6.27           1441         -              Normal
  12/23/2025 07 PM PST            6.23           1409         -              Normal
  12/23/2025 08 PM PST            6.22           1401         -              Normal
  12/23/2025 09 PM PST            6.19           1378         -              Normal
  12/23/2025 10 PM PST            6.13           1332         -              Normal
  12/23/2025 11 PM PST            6.13           1332         0              Normal
  12/24/2025 12 AM PST            6.12           1325         -              Normal
  12/24/2025 01 AM PST            6.10           1310         -              Normal
  12/24/2025 02 AM PST            6.09           1303         -              Normal
  12/24/2025 03 AM PST            6.08           1295         -              Normal
  12/24/2025 04 AM PST            6.09           1303         +              Normal
  12/24/2025 05 AM PST            6.09           1303         0              Normal
  12/24/2025 06 AM PST            6.24           1417         +              Normal
  12/24/2025 07 AM PST            6.23           1409         -              Normal
  12/24/2025 08 AM PST            6.26           1433         +              Normal
  12/24/2025 09 AM PST            6.32           1481         +              Normal
  12/24/2025 10 AM PST            6.53           1657         +              Normal
  12/24/2025 11 AM PST            6.75           1856         +              Normal
  12/24/2025 12 PM PST            7.18           2281         +              Normal
  12/24/2025 01 PM PST            7.58           2709         +              Normal
  12/24/2025 02 PM PST            7.91           3099         +              Normal
  12/24/2025 03 PM PST            8.19           3461         +              Normal
  12/24/2025 04 PM PST            8.39           3738         +              Normal
  12/24/2025 05 PM PST            8.44           3809         +              Normal
  12/24/2025 06 PM PST            8.47           3853         +              Normal
  12/24/2025 07 PM PST            8.40           3752         -              Normal
  12/24/2025 08 PM PST            8.20           3475         -              Normal
  12/24/2025 09 PM PST            7.95           3148         -              Normal
  12/24/2025 10 PM PST            7.82           2989         -              Normal
  12/24/2025 11 PM PST            7.66           2801         -              Normal
  12/25/2025 12 AM PST            7.53           2653         -              Normal
  12/25/2025 01 AM PST            7.43           2543         -              Normal
  12/25/2025 02 AM PST            7.36           2468         -              Normal
  12/25/2025 03 AM PST            7.29           2394         -              Normal
  12/25/2025 04 AM PST            7.23           2332         -              Normal
  12/25/2025 05 AM PST            7.17           2271         -              Normal
  12/25/2025 06 AM PST            7.14           2241         -              Normal
  12/25/2025 07 AM PST            7.17           2271         +              Normal
  12/25/2025 08 AM PST            7.21           2312         +              Normal
  12/25/2025 09 AM PST            7.24           2342         +              Normal
  12/25/2025 10 AM PST            7.21           2312         -              Normal
  12/25/2025 11 AM PST            7.20           2301         -              Normal
  12/25/2025 12 PM PST            7.15           2251         -              Normal
  12/25/2025 01 PM PST            7.10           2201         -              Normal
  12/25/2025 02 PM PST            7.10           2201         0              Normal
  12/25/2025 03 PM PST            7.05           2152         -              Normal
  12/25/2025 04 PM PST            7.00           2101         -              Normal
  12/25/2025 05 PM PST            6.95           2050         -              Normal
  12/25/2025 06 PM PST            6.92           2020         -              Normal
  12/25/2025 07 PM PST            6.86           1961         -              Normal
  12/25/2025 08 PM PST            6.82           1922         -              Normal
  12/25/2025 09 PM PST            6.79           1894         -              Normal
  12/25/2025 10 PM PST            6.74           1847         -              Normal
  12/25/2025 11 PM PST            6.76           1865         +              Normal
  12/26/2025 12 AM PST            6.86           1961         +              Normal
  12/26/2025 01 AM PST            6.92           2020         +              Normal
  12/26/2025 02 AM PST            6.95           2050         +              Normal
  12/26/2025 03 AM PST            6.98           2080         +              Normal
  12/26/2025 04 AM PST            6.99           2090         +              Normal
  12/26/2025 05 AM PST            6.92           2020         -              Normal
  12/26/2025 06 AM PST            6.82           1922         -              Normal
  12/26/2025 07 AM PST            6.73           1837         -              Normal
  12/26/2025 08 AM PST            6.67           1782         -              Normal
  12/26/2025 09 AM PST            6.61           1728         -              Normal
  12/26/2025 10 AM PST            6.58           1701         -              Normal
  12/26/2025 11 AM PST            6.55           1674         -              Normal
  12/26/2025 12 PM PST            6.53           1657         -              Normal
  12/26/2025 01 PM PST            6.50           1631         -              Normal
  12/26/2025 02 PM PST            6.48           1614         -              Normal
  12/26/2025 03 PM PST            6.44           1580         -              Normal
  12/26/2025 04 PM PST            6.34           1497         -              Normal
  12/26/2025 05 PM PST            6.25           1425         -              Normal
  12/26/2025 06 PM PST            6.13           1332         -              Normal
  12/26/2025 07 PM PST            6.06           1280         -              Normal
  12/26/2025 08 PM PST            6.03           1259         -              Normal
  12/26/2025 09 PM PST            6.01           1244         -              Normal
  12/26/2025 10 PM PST            5.99           1230         -              Normal
  12/26/2025 11 PM PST            5.97           1215         -              Normal
  12/27/2025 12 AM PST            5.96           1208         -              Normal
  12/27/2025 01 AM PST            5.93           1186         -              Normal
  12/27/2025 02 AM PST            5.91           1172         -              Normal
  12/27/2025 03 AM PST            5.89           1158         -              Normal
  12/27/2025 04 AM PST            5.87           1144         -              Normal
  12/27/2025 05 AM PST            5.81           1103         -              Normal
  12/27/2025 06 AM PST            5.71           1037         -              Normal
  12/27/2025 07 AM PST            5.70           1030         -              Normal
  12/27/2025 08 AM PST            5.66           1004         -              Normal
  12/27/2025 09 AM PST            5.61            973         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/27/2025 10 AM PST            5.58            954                        Normal
  12/27/2025 11 AM PST            5.54            930         -              Normal
  12/27/2025 12 PM PST            5.51            912         -              Normal
  12/27/2025 01 PM PST            5.46            882         -              Normal
  12/27/2025 02 PM PST            5.45            877         -              Normal
  12/27/2025 03 PM PST            5.44            871         -              Normal
  12/27/2025 04 PM PST            5.43            865         -              Normal
  12/27/2025 05 PM PST            5.42            859         -              Normal
  12/27/2025 06 PM PST            5.42            859         0              Normal
  12/27/2025 07 PM PST            5.41            853         -              Normal
  12/27/2025 08 PM PST            5.41            853         0              Normal
  12/27/2025 09 PM PST            5.40            848         -              Normal
  12/27/2025 10 PM PST            5.40            848         0              Normal
  12/27/2025 11 PM PST            5.40            848         0              Normal
  12/28/2025 12 AM PST            5.39            842         -              Normal
  12/28/2025 01 AM PST            5.39            842         0              Normal
  12/28/2025 02 AM PST            5.39            842         0              Normal
  12/28/2025 03 AM PST            5.38            836         -              Normal
  12/28/2025 04 AM PST            5.38            836         0              Normal
  12/28/2025 05 AM PST            5.37            831         -              Normal
  12/28/2025 06 AM PST            5.37            831         0              Normal
  12/28/2025 07 AM PST            5.37            831         0              Normal
  12/28/2025 08 AM PST            5.36            825         -              Normal
  12/28/2025 09 AM PST            5.36            825         0              Normal
  12/28/2025 10 AM PST            5.35            820         -              Normal
  12/28/2025 11 AM PST            5.35            820         0              Normal
  12/28/2025 12 PM PST            5.35            820         0              Normal
  12/28/2025 01 PM PST            5.34            814         -              Normal
  12/28/2025 02 PM PST            5.34            814         0              Normal
  12/28/2025 03 PM PST            5.34            814         0              Normal
  12/28/2025 04 PM PST            5.33            809         -              Normal
  12/28/2025 05 PM PST            5.33            809         0              Normal
  12/28/2025 06 PM PST            5.33            809         0              Normal
  12/28/2025 07 PM PST            5.32            803         -              Normal
  12/28/2025 08 PM PST            5.32            803         0              Normal
  12/28/2025 09 PM PST            5.32            803         0              Normal
  12/28/2025 10 PM PST            5.31            798         -              Normal
  12/28/2025 11 PM PST            5.31            798         0              Normal
  12/29/2025 12 AM PST            5.30            792         -              Normal
  12/29/2025 01 AM PST            5.30            792         0              Normal
  12/29/2025 02 AM PST            5.30            792         0              Normal
  12/29/2025 03 AM PST            5.30            792         0              Normal
  12/29/2025 04 AM PST            5.29            787         -              Normal
  12/29/2025 05 AM PST            5.29            787         0              Normal
  12/29/2025 06 AM PST            5.29            787         0              Normal
  12/29/2025 07 AM PST            5.29            787         0              Normal
  12/29/2025 08 AM PST            5.28            781         -              Normal
  12/29/2025 09 AM PST            5.28            781         0              Normal
  12/29/2025 10 AM PST            5.28            781         0              Normal
  12/29/2025 11 AM PST            5.28            781         0              Normal
  12/29/2025 12 PM PST            5.27            776         -              Normal
  12/29/2025 01 PM PST            5.27            776         0              Normal
  12/29/2025 02 PM PST            5.27            776         0              Normal
  12/29/2025 03 PM PST            5.26            771         -              Normal
  12/29/2025 04 PM PST            5.26            771         0              Normal
  12/29/2025 05 PM PST            5.26            771         0              Normal
  12/29/2025 06 PM PST            5.26            771         0              Normal
  12/29/2025 07 PM PST            5.25            765         -              Normal
  12/29/2025 08 PM PST            5.25            765         0              Normal
  12/29/2025 09 PM PST            5.25            765         0              Normal
  12/29/2025 10 PM PST            5.25            765         0              Normal
  12/29/2025 11 PM PST            5.24            760         -              Normal
  12/30/2025 12 AM PST            5.24            760         0              Normal
  12/30/2025 01 AM PST            5.24            760         0              Normal
  12/30/2025 02 AM PST            5.24            760         0              Normal
  12/30/2025 03 AM PST            5.24            760         0              Normal
  12/30/2025 04 AM PST            5.23            755         -              Normal
  12/30/2025 05 AM PST            5.23            755         0              Normal
  12/30/2025 06 AM PST            5.23            755         0              Normal
  12/30/2025 07 AM PST            5.23            755         0              Normal
  12/30/2025 08 AM PST            5.22            749         -              Normal
  12/30/2025 09 AM PST            5.22            749         0              Normal
  12/30/2025 10 AM PST            5.22            749         0              Normal
  12/30/2025 11 AM PST            5.22            749         0              Normal
  12/30/2025 12 PM PST            5.22            749         0              Normal
  12/30/2025 01 PM PST            5.22            749         0              Normal
  12/30/2025 02 PM PST            5.21            744         -              Normal
  12/30/2025 03 PM PST            5.21            744         0              Normal
  12/30/2025 04 PM PST            5.21            744         0              Normal
  12/30/2025 05 PM PST            5.21            744         0              Normal
  12/30/2025 06 PM PST            5.21            744         0              Normal
  12/30/2025 07 PM PST            5.21            744         0              Normal
  12/30/2025 08 PM PST            5.21            744         0              Normal
  12/30/2025 09 PM PST            5.21            744         0              Normal
  12/30/2025 10 PM PST            5.21            744         0              Normal
  12/30/2025 11 PM PST            5.20            739         -              Normal
  12/31/2025 12 AM PST            5.20            739         0              Normal
  12/31/2025 01 AM PST            5.20            739         0              Normal
  12/31/2025 02 AM PST            5.19            734         -              Normal
  12/31/2025 03 AM PST            5.19            734         0              Normal
  12/31/2025 04 AM PST            5.19            734         0              Normal
  12/31/2025 05 AM PST            5.18            729         -              Normal
  12/31/2025 06 AM PST            5.18            729         0              Normal
  12/31/2025 07 AM PST            5.18            729         0              Normal
  12/31/2025 08 AM PST            5.18            729         0              Normal
  12/31/2025 09 AM PST            5.18            729         0              Normal
  12/31/2025 10 AM PST            5.17            723         -              Normal
  12/31/2025 11 AM PST            5.17            723         0              Normal
  12/31/2025 12 PM PST            5.18            729         +              Normal
  12/31/2025 01 PM PST            5.18            729         0              Normal
  12/31/2025 02 PM PST            5.18            729         0              Normal
  12/31/2025 03 PM PST            5.18            729         0              Normal
  12/31/2025 04 PM PST            5.18            729         0              Normal
  12/31/2025 05 PM PST            5.18            729         0              Normal
  12/31/2025 06 PM PST            5.18            729         0              Normal
  12/31/2025 07 PM PST            5.18            729         0              Normal
  12/31/2025 08 PM PST            5.18            729         0              Normal
  12/31/2025 09 PM PST            5.18            729         0              Normal
  12/31/2025 10 PM PST            5.18            729         0              Normal
  12/31/2025 11 PM PST            5.18            729         0              Normal
  01/01/2026 12 AM PST            5.18            729         0              Normal
  01/01/2026 01 AM PST            5.17            723         -              Normal
  01/01/2026 02 AM PST            5.17            723         0              Normal
  01/01/2026 03 AM PST            5.17            723         0              Normal
  01/01/2026 04 AM PST            5.17            723         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.