CNRFC Daily Briefing

Last issued: Thu Sep 17, 2026 at 07:24 AM PST (updated daily by 10 AM Pacific Time).
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Summary:

A low pressure system sitting across northern CA will slowly drift eastward into Idaho by Sat afternoon. For today, scattered showers and t-storms primarily over the upper Klamath River basin and higher terrain of far northern CA.
Monsoon moisture along borders of Utah and Arizona may bring a scattered shower or t-storm to far eastern NV and far eastern CA deserts today.
Temperatures running below average for this time of year will be -5F to -15F below seasonal normals on Thu and Fri, except above normal temps for northeast NV on Thur. Temperatures start to rebound this weekend into next week with above average temperatures expected, except along the coast and parts of southern CA.
Rivers are expected to remain near current 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	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").