Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
Read More...

Hazardous Weather Conditions

Last Update: 312 PM AKST Tue Dec 12 2017

View Nearby Observations

For More Weather Information:

Anchorage, AK Local Forecast Office

7NM S Tyonek AK

Marine Zone Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: A 991 mb low 400 nm southeast of Chignik will move over Kodiak Island Tue night then move inland and dissipate over Bristol Bay Wed morning. A front in the western Gulf will move into the northeastern Gulf Wed morning then move into the eastern Gulf Wed afternoon.

Tonight
NE wind 15 kt increasing to 30 kt after midnight. Seas 3 ft building to 7 ft after midnight.
Wed
NE wind 30 kt diminishing to 15 kt in the afternoon. Seas 7 ft subsiding to 4 ft in the afternoon.
Wed Night
SE wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft.
Thu And Thu Night
Variable wind less than 10 kt. Seas 2 ft.
Fri
NE wind 20 kt. Seas 5 ft.
Sat
NE wind 15 kt. Seas 4 ft.
Sun
N wind 10 kt. Seas 2 ft.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 312 PM AKST Tue Dec 12 2017
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data