CNRFC - Ensemble Products

*** 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.

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SHASTA RIVER - YREKA (YREC1)

Latitude: 41.82º N	Longitude: 122.59º W	Elevation: 2000 Feet
Location: Siskiyou County in California		Bulletin Group: North Coast		River 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:

Text Products (RNOHFSOSV and RNOHFSWYV)

Raw ESP Water Year Streamflow Volumes Tracker
Water Year Streamflow Volume Accumulation Forecast

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

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.

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