Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Dec 27, 2025 at 6:52:32 am PST

Watches, Warnings & Advisories

Zoom Out

National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Small Craft Advisory

Snowfall Totals

Sierra Travel Forecast

SN❄️W-MG! Here's a look at snowfall totals from the last 72 hours (as of 11am this morning). Hitting the snow in the backcountry? 🏂⛷️ Make sure to check out the Sierra Avalanche Center or Eastern Sierra Avalanche Center websites for current avalanche danger.