National Weather Service United States Department of Commerce

Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

 

 

Overview

A strong winter storm will result in another prolonged period of unsettled weather to end 2022 and begin 2023. Moderate to heavy snow is expected for the mountains of eastern Utah and western Colorado as well as some adjacent valleys through Monday. Be prepared for rapidly changing winter driving conditions and snow-packed, icy roads when traveling this holiday weekend. Mild temperatures in the lower valleys will lead to rain or a rain/snow mix initially before cooler air arrives later in the weekend.

Multiple winter highlights have been issued for this storm. Please see the map below for the latest highlights. Stay up to date on this system by visiting www.weather.gov/gjt/ for the latest details.

 

Click on any area for more detailed information on each Warning, Watch or Advisory.

 

 

(Click on any Point on the Map for the latest Forecast)

 

 

Expected Snowfall

 

 

High End Amounts

Low End Amounts

 

 

Ice Accumulations


 

 

Expected Wind Gusts

 

 

 

 

 

Travel Conditions

 

 

Travel Conditions

 

 

Safety Tips