CNRFC Daily Briefing

Last issued: Wed Aug 26, 2026 at 07:17 AM PST (updated daily by 10 AM Pacific Time).
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Summary:

Strong high pressure inland and troughing offshore to bring near to below normal temperatures closer to the trough (nw CA) and near to above normal temperatures closer to the ridge (C/S CA and NV). Widespread near to below normal conditions are expected Friday onward.
Mid level moisture and instability to generate chances of scattered showers/thunderstorms in the afternoons and evenings through Saturday, generally over SE CA, parts of the Sierra, and NV.
Remnant moisture from Tropical Storm Iselle may bring more widespread shower activity to the Sierra into nrn/cntrl NV Friday into Saturday.
Rivers are expected to remain near present levels.

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
* NO River Guidance (Flood Forecast) Points Currently Forecast At Or Above Critical Stage Definitions *
NOTE Stage is presented in "Feet" while Flow (Storage at CLKC1) is presented in "cfs" ("Acre-Feet").