* WHAT…Heavy snow expected for elevations above 5500 feet.
Additional snow accumulations of 6 to 12 inches and up to 1-2 feet
along higher peaks. Wind gusts as high as 50 mph.
* WHERE…West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.
* WHEN…Until 4 AM PST Wednesday.
* IMPACTS…Snow-covered roads, chain controls and travel delays are
likely which will result in very difficult travel at times above
5500 feet.
* ADDITIONAL DETAILS…Periods of moderate to heavy snow through
early Wednesday morning. Snow levels rising to 6000 to 7000 feet
in the Sierra this afternoon, then lowering 4000-5000 feet
throughout the day on Tuesday. 2 to 5 inches of snow possible down
to around 5000 feet.
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK…
No watches are valid as of Mon Apr 21 12:35:01 UTC 2025.
No Mesoscale Discussions are in effect as of Mon Apr 21 12:35:01 UTC 2025.
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0307 AM…
* AFFECTED AREA...Fire Weather Zones 242, 244, 246, 247, 248, 249, 250 and 251. *…
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Trinity County. *…
This website uses cookies.