Reservoir Report

Black Butte reservoir

California, USA USBR
Today high
--
Tonight low
--
Current storage
102,705acre-ft
% of normal
9%
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Right now · current storage
Black Butte
USBR · BLB
102,705 acre-ft
As of 2026-05-12
Seasonal avg
94,423
Record max
132,242
24h change
-0.9%
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Black Butte -- None reservoir
Black Butte None
About this reservoir

Black Butte

Black Butte is a volcanic peak located in the northern Sacramento Valley of California. The mountain rises to an elevation of 6,358 feet and is composed of volcanic rock. It has a long history of human use, with evidence of Native American settlements in the area dating back thousands of years. The hydrology of Black Butte is closely tied to the surrounding mountains and valleys, with surface flow from snowmelt and rainfall contributing to the region's agricultural and recreational uses. The mountain's snowpack is a key source of water for the region's farmers and ranchers, and its slopes provide opportunities for hiking, camping, and other outdoor activities. Black Butte also has cultural significance, with its distinctive profile serving as a landmark for travelers and a source of inspiration for artists and writers.

StateNone
OperatorUSBR
Site IDBLB
Percent of normal9%
Last updated2026-05-12
Records since2003
Storage trends

Daily levels at Black Butte

Storage volume, pool elevation, and total release plotted from the operating agency's daily observations.

Storage

acre-ft · code 2

Pool Elevation

ft · code 1

Detailed forecast

Plan around the weather

Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Black Butte -- inflows here typically show up in storage 24-72 hours later.

Track Black Butte in the Snoflo app

Save this reservoir as a favorite and set push alerts when storage crosses a threshold (e.g. "alert me at 80% of normal").

FAQ

About Black Butte

Where does the data for Black Butte come from?

Daily storage, pool elevation, and release rates are sourced from USGS, USBR, and USACE monitoring stations. Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.

How often is the report updated?

Storage observations are updated daily by the operating agency. The 15-day weather forecast refreshes throughout the day. Snoflo caches and renders the most recent observation -- check the "as of" timestamp on the storage card.

What does the Hazard hazard rating mean?

The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.

What's "% of normal"?

The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).

Can I get alerts when storage crosses a threshold?

Yes -- alerts are managed in the Snoflo iOS app. Favorite this reservoir, set a threshold, and you'll get a push the moment conditions cross.

More reservoirs

Other water bodies near here

Snoflo-tracked reservoirs and dams within driving distance of Black Butte.

Premium feature

Favorites and alerts are part of Snoflo Premium. Save reservoirs, set storage thresholds, and get push notifications when conditions cross.

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this reservoir, set a threshold, and you'll get a push the moment conditions cross.

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