National Weather Service United States Department of Commerce

Back-to-Back Winter Storms Across the North-Central U.S.; Severe Weather Threat in the Midwest

A late-season winter storm continues to bring heavy snow, significant sleet, and disruptive icing to the Upper Midwest and western Great Lakes into the morning; and will be followed by another storm. Severe thunderstorms continue across the Midwest to the lower Great Lakes through tonight, before bringing a round of freezing rain and sleet Friday morning across northern New England. Read More >

 
aviation title
Aviation Advisories
Before departure, call 1-800-WX-BRIEF for latest weather and file flight plans.
Advisories Observations Forecasts Aviation Info
AWC - Icing/Turbulence/Freezing Level and Volcanic Ash
Icing | Turbulence | Freezing Level | Volcanic Ash
Center Weather Service Units
Seattle | Oakland | Los Angeles | Salt Lake | Albuquerque | Denver
CWSU Advisories
Seattle | Oakland | Los Angeles | Salt Lake | Albuquerque | Denver
Airmets/Sigmets and Convective Sigmets
Convective-SIGMETS
GRAPHICAL-AIRMETS
AIRMET & SIGMET WEBPAGE
TEXT Products Zulu (Icing) Sierra (IFR and Mountain Obscuration) Tango (Turbulence)