CNRFC Daily Briefing

Last issued: Wed Jun 24, 2026 at 08:02 AM PST (updated daily by 10 AM Pacific Time).
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Summary:

One more day of above normal temperatures across the interior as high pressure pushes into the southern portion of the region. Mid level moisture and instability from this high will keep chances of showers and thunderstorms today across SE CA and S NV.
A large upper low approaching from the Gulf of Alaska will kick off a cooling trend starting tomorrow dropping temperatures to below normal Friday through at least the weekend.
This low will also generate some light showers along the northern regional border Friday and Saturday.
All forecast points expected to remain below action/monitor stage.

Confidence: High

Staffing Level: Normal

Detailed Hydrometeorological Discussion: www.cnrfc.noaa.gov/discussion

River Guidance Points Forecast Above Specified Stage Definitions (Select NWS ID for Specified Graphical RVF)

NWS ID	River / Creek	Gage / Station	Action/ Monitor	Minor Flood	Moderate Flood	Major Flood	Latest Observed Stage / Flow	Latest Observed Date / Time	Max Forecast Stage / Flow
RVBC1	SACRAMENTO	RIO VISTA	7.4	11.9	20.4	21.4	4.42 / NA	06/24 06:15 PM PDT	7.40 / NA
NOTE Stage is presented in "Feet" while Flow (Storage at CLKC1) is presented in "cfs" ("Acre-Feet").