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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MCCLOUD RIVER - MCCLOUD (MMCC1)

Latitude: 41.19º N	Longitude: 122.06º W	Elevation: 2711 Feet
Location: Siskiyou County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Jun 08, 2025 at 8:14 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 Accumulated Volume Plot

CSV Ensemble Files (Data in kcfs): Forecast Group | MMCC1

Tabular Monthly Volume Accumulation (1000s of Acre-Feet)
Probability	Nov 1 2024	Dec 1 2024	Jan 1 2025	Feb 1 2025	Mar 1 2025	Apr 1 2025	May 1 2025	Jun 1 2025	Jul 1 2025	Aug 1 2025	Sep 1 2025	Oct 1 2025
10%	--	--	--	--	--	--	--	--	559	613	664	710
25%	--	--	--	--	--	--	--	--	559	612	663	709
50% (Median)	--	--	--	--	--	--	--	--	558	612	662	708
75%	--	--	--	--	--	--	--	--	558	611	662	708
90%	--	--	--	--	--	--	--	--	558	611	662	708

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ082)

Today: Sunny This Morning, then partly cloudy with a 30 percent chance of thunderstorms This Afternoon. Highs in the mid 80s to mid 90s. North winds 5 to 10 mph shifting to the west late This Afternoon.

Tonight: Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 50s to lower 60s. Northwest winds around 5 mph shifting to the northeast well after midnight.

Tuesday: Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s to lower 90s. East winds around 5 mph shifting to the south in the afternoon.

Tuesday Night: Partly cloudy with a 10 percent chance of thunderstorms. Lows in the mid 40s to mid 50s. Southwest winds 5 to 10 mph shifting to the northwest after midnight, then shifting to the south well after midnight.

Wednesday: Sunny. Highs in the mid 70s to mid 80s. Southwest winds around 5 mph.

Wednesday Night and Thursday: Clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to mid 80s.

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

Friday Night through Sunday: Mostly clear. Lows in the lower 40s to lower 50s. Highs in the lower 70s to lower 80s.

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