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WWUS46 KSTO 152102
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
102 PM PST Sat Nov 15 2025

CAZ068-069-170115-
/O.NEW.KSTO.WW.Y.0009.251116T0600Z-251118T0000Z/
Western Plumas County/Lassen Park-West Slope Northern Sierra
Nevada-
Including the cities of Chester, Quincy, and Blue Canyon
102 PM PST Sat Nov 15 2025

...WINTER WEATHER ADVISORY ABOVE 6000 FEET IN EFFECT FROM 10 PM THIS
EVENING TO 4 PM PST MONDAY...

* WHAT...Moderate snow expected above 6000 feet. Total snow
  accumulations of 4 to 10 inches with 1 to 2 feet at the highest
  peaks. South to southwest winds gusting as high as 40 mph.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
  County/Lassen Park above 6000 feet.

* WHEN...From 10 PM this evening to 4 PM PST Monday.

* IMPACTS...Travel could be very difficult. The hazardous conditions
  could impact the morning and evening commutes.

* ADDITIONAL DETAILS...Snow levels above 8000 feet tonight,
  6500-7000 feet Sunday, then lowering to around 5500-6000 feet by
  Monday morning. A brief break in moderate snow is expected Sunday
  evening ahead of the next system Sunday night through Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.

&&

$$

For more information, visit us at www.weather.gov/sto/

IDS