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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


SHASTA RIVER - YREKA (YREC1)
Latitude: 41.82º NLongitude: 122.59º WElevation: 2000 Feet
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 06, 2025 at 8:17 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
2025 Water Year Trend Plot
Tabular View  |  Select a Different Water Year:  

SHASTA - YREKA, NR (YREC1) 06/06/2025Median Forecast: 174 kaf | 144% of Mean | 168% of Median

Combination chart with 14 data series.
Created: 06/06/2025 at 08:17 AM PDT
The chart has 1 X axis displaying Water Year 2025 - Day (mm/dd). Range: 2024-09-27 20:38:24 to 2025-10-04 03:21:36.
The chart has 2 Y axes displaying Water Year Volumes (1000s Ac-Ft) and Daily Observed Volumes (1000s Ac-Ft).
End of interactive chart.
Text Products (RNOHFSOSV and RNOHFSWYV)
Raw ESP Water Year Streamflow Volumes Tracker
Water Year Streamflow Volume Accumulation Forecast

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ081)
Tonight: Clear. Lows in the mid 50s to lower 60s. North winds 10 to 15 mph decreasing to around 5 mph after midnight, then shifting to the east well after midnight.

Saturday: Sunny. Highs 90 to 100. East winds around 5 mph shifting to the northwest late in the afternoon.

Saturday Night: Clear. Lows in the mid 50s to lower 60s. Northwest winds 5 to 10 mph.

Sunday: Sunny. A 10 percent chance of thunderstorms in the afternoon. Highs 90 to 100. North winds around 5 mph early in the morning becoming light, then becoming north around 5 mph in the afternoon.

Sunday Night: Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows in the lower to mid 60s. Northwest winds 5 to 10 mph.

Monday: Sunny in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs 90 to 100.

Monday Night and Tuesday: Mostly clear. Slight chance of thunderstorms. Lows in the lower to mid 60s. Highs 90 to 100.

Tuesday Night: Partly cloudy with a slight chance of thunderstorms in the evening, then clear after midnight. Lows in the mid 50s.

Wednesday and Wednesday Night: Clear. Highs in the lower to mid 80s. Lows in the lower to mid 50s.

Thursday through Friday: Clear. Highs in the lower 70s to lower 80s. Lows in the mid 40s to lower 50s.