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 21, 2025 at 12:15 PM 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: Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers This Evening. Lows in the lower to mid 40s. North winds 5 to 10 mph shifting to the west after midnight.

Sunday: Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to mid 70s. Light winds becoming north 5 to 10 mph in the late morning and afternoon.

Sunday Night: Clear. Lows in the mid 40s to lower 50s. North winds 10 to 15 mph shifting to the northwest around 5 mph after midnight.

Monday: Sunny. Highs in the mid 70s to mid 80s. North winds around 5 mph.

Monday Night: Mostly clear. Lows in the lower to mid 50s. North winds 5 to 10 mph.

Tuesday and Tuesday Night: Mostly clear. Highs in the lower 80s to lower 90s. Lows in the lower to mid 50s.

Wednesday: Sunny. Highs in the mid 70s to mid 80s.

Wednesday Night through Thursday Night: Mostly clear. Lows in the lower to mid 50s. Highs in the lower 80s to lower 90s.

Friday and Friday Night: Clear. Highs in the lower 80s to lower 90s. Lows in the lower to mid 50s.

Saturday: Sunny. Highs in the mid 80s to mid 90s.

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