355
WWUS46 KSTO 092031
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
1231 PM PST Mon Feb 9 2026

CAZ068-069-110015-
/O.CON.KSTO.WW.Y.0002.260210T0600Z-260212T0000Z/
Western Plumas County/Lassen Park-West Slope Northern Sierra
Nevada-
Including the cities of Chester, Blue Canyon, and Quincy
1231 PM PST Mon Feb 9 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST WEDNESDAY ABOVE 5500 FEET...

* WHAT...Total snow accumulations 3 to 6 inches over 5500 feet, 8 to
  12 inches above 6000 feet, and locally up to 18 inches over higher
  peaks.

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

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

* IMPACTS...Mountain travel could be very difficult Tuesday into
  Wednesday. Plan for travel delays and chain controls.

* ADDITIONAL DETAILS...Heaviest snow expected Tuesday afternoon into
  Wednesday morning. Snow levels will be rising to around 6000 to
  7000 feet by late Tuesday morning and
  afternoon, dropping to around 5500 feet Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be prepared for slippery roads. Slow down and use caution while
driving. The hazardous conditions could make travel difficult with
delays and chain controls.

&&

$$

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

IDS