WWUS46 KSTO 101948 WSWSTO URGENT - WINTER WEATHER MESSAGE National Weather Service Sacramento CA 1248 PM PDT Mon Mar 10 2025 CAZ013-014-063-111545- /O.UPG.KSTO.WS.A.0003.250312T0600Z-250314T0600Z/ /O.NEW.KSTO.WS.W.0006.250312T0600Z-250314T0600Z/ Shasta Lake Area / Northern Shasta County-Burney Basin / Eastern Shasta County-Mountains Southwestern Shasta County to Western Colusa County- Including the cities of Alder Springs, Burney, and Shasta Dam 1248 PM PDT Mon Mar 10 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM TUESDAY TO 11 PM PDT THURSDAY ABOVE 3000 FEET... * WHAT...Heavy snow above 3000 feet. Total snow accumulations between 4 and 12 inches, with up to 2 feet over peaks. Winds could gust as high as 60 mph. * WHERE...Burney Basin / Eastern Shasta County, Mountains Southwestern Shasta County to Western Colusa County, and Shasta Lake Area / Northern Shasta County Counties. * WHEN...From 11 PM Tuesday to 11 PM PDT Thursday. * IMPACTS...Difficult travel conditions from chain controls, road closures, and low visibility due to the combination of wind and heavy snow expected. Hazardous conditions will impact the morning and afternoon commutes on Wednesday and Thursday. * ADDITIONAL DETAILS...Heaviest snowfall expected through Wednesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1. && $$ CAZ068-069-111545- /O.UPG.KSTO.WS.A.0003.250312T0600Z-250314T0600Z/ /O.NEW.KSTO.WS.W.0006.250312T0600Z-250314T0600Z/ Western Plumas County/Lassen Park-West Slope Northern Sierra Nevada- Including the cities of Blue Canyon, Chester, and Quincy 1248 PM PDT Mon Mar 10 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM TUESDAY TO 11 PM PDT THURSDAY ABOVE 4000 FEET... * WHAT...Heavy snow possible above 4000 feet. Total snow accumulations of 1 to 3 feet, with up to 4 feet over peaks. Winds could gust as high as 65 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park Counties. * WHEN...From 11 PM Tuesday to 11 PM PDT Thursday. * IMPACTS...Very difficult to impossible travel conditions from travel delays, chain controls, road closures, and low visibility due to the combination of wind and heavy snow expected. The hazardous conditions could impact the Wednesday and Thursday commutes. * ADDITIONAL DETAILS...Heaviest snowfall expected through Wednesday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1. && $$ For more information, visit us at www.weather.gov/sto/ DA