Winter Storm Bringing Blizzard Conditions, Heavy Snow and Ice through Tonight

A sprawling winter storm will continue to produce blizzard conditions across the eastern Dakotas, western and southern Minnesota, and northern Iowa. Areas of moderate to heavy snow are expected over much of the Upper Midwest, Great Lakes, and Northeast. To the south of the snow, a wintry mix including some ice accumulations, will impact portions of the northern Mid-Atlantic with slick travel.
Read More...

Last Update: 918 PM AST Sat Jan 18 2020

View Nearby Observations

For More Weather Information:

San Juan, PR Local Forecast Office

12NM SW Mayaguez PR

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH 2AM AST SUNDAY...

Rest Of Tonight
East winds 15 to 20 knots. Seas 8 to 10 feet with occasional seas up to 11 feet. Dominant period 13 seconds. Northwest swell 4 to 8 feet.
Sunday
East winds 15 to 20 knots. Seas 10 to 12 feet with occasional seas up to 15 feet. Dominant period 13 seconds. North swell 6 to 11 feet.
Sunday Night
East winds 10 to 15 knots. Seas 10 to 12 feet with occasional seas up to 14 feet. Dominant period 13 seconds. North swell 5 to 10 feet. Isolated showers.
Monday
Southeast winds 10 to 15 knots. Seas 8 to 10 feet with occasional seas up to 13 feet. Dominant period 14 seconds. Northwest swell 4 to 8 feet. Scattered showers.
Monday Night
East winds 10 to 15 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 13 seconds. Northwest swell 4 to 7 feet. Isolated showers.
Tuesday
Southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Southwest swell 4 to 5 feet. Isolated showers.
Wednesday
Southeast winds 10 to 15 knots. Seas 1 to 3 feet. Dominant period 10 seconds. Isolated showers.
Thursday
North winds 15 to 20 knots. Seas 2 feet or less. Dominant period 8 seconds. Isolated showers.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 918 PM AST Sat Jan 18 2020
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data