National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

CNRFC Daily Briefing
Last issued: Sun Apr 19, 2026 at 09:08 AM PST (updated daily by 10 AM Pacific Time).
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Summary:
  • An area of low pressure will start to shift toward the CA coastal waters and light precip will approach the northern CA coast Sunday evening.
  • Precip will slide across the area from Monday through Wednesday as the area of low pressure slowly shifts inland, bringing widespread precipitation, especially across northern and central CA.
  • Potential for lingering light precip across the Sierra on Thursday/Friday.
  • As precip arrives, minor rises on main stem rivers across northern/central CA.
  • Dependent on local precipitation amounts, monitor stage is forecast for the Cosumnes @ McConnell on Wednesday.
Confidence: Moderate

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 / CreekGage / StationAction/
Monitor
Minor
Flood
Moderate
Flood
Major
Flood
Latest Observed
Stage / Flow
Latest Observed
Date / Time
Max Forecast
Stage / Flow
MCNC1 COSUMNES MCCONNELL 38.544.553.453.530.26 / NA04/20 04:15 AM PDT39.76 / NA

** NOTE **  Stage is presented in "Feet" while Flow (Storage at CLKC1) is presented in "cfs" ("Acre-Feet").