Winter Storm Warning: Up to 24 Inches of Snow and 75 MPH Gusts Threaten I-80 and Highway 50

If you’ve driven I-80 during storms like this before, you already know how fast the road can shut down. The National Weather Service has upgraded its earlier watches to full Winter Storm Warnings across the major Sierra corridors. The window runs from Tuesday morning through Wednesday evening, and three NWS offices are coordinating on this one: Sacramento, Reno, and Hanford.That Didn’t Take LongEarlier Monday the Sierra was under Winter Storm Watches, with forecasters flagging up to 18 inches of snow and an upgrade likely. That upgrade came through later in the morning. Totals ticked higher after that. Snow in the high terrain now pushes toward 24 inches, and Hanford is calling for crest gusts to 75 mph in the southern Sierra. Sacramento’s product explicitly lists I-80 and Highway 50 in the impact zone.Donner, Echo, and the Roads Nobody Wants to Drive on TuesdayI-80 over Donner …