Sierra County, CA
Alerts
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County Line
No alerts for Sierra County, CA, for the next 5 days
No alerts for Sierra County, CA, on Saturday
No alerts for Sierra County, CA, on Sunday
No alerts for Sierra County, CA, on Monday
No alerts for Sierra County, CA, on Tuesday
No alerts for Sierra County, CA, on Wednesday
Briefings
No recent briefing available
From the Forecaster
High Temperatures Today
Created by the NWS Sacramento WFO
A look at the high temperature forecast for today, Saturday, September 19, 2026. Temperatures will be warmer today, with upper 80s to mid 90s in the Valley, 70s to 80s in the higher elevations.
Weekly Weather Planner
Created by the NWS Reno WFO
Curious on what we should expect weather-wise as we head into the weekend? Well look no further! Take a look at the weekly weather planner for this week's forecast.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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table legend
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