* WHAT...Heavy snow expected. Additional snow accumulations between 4 to 8 inches. Winds gusting as high as 40 mph over high terrain and 30 mph in valleys, strongest Saturday night and early Sunday morning. * WHERE...Central Interior, Fairbanks North Star Borough, Nenana Hills, Nenana, Northern Denali Borough, White Mountains and High Terrain South of the Yukon River. * WHEN...Until 9 PM AKST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...There will be a break in the snow tonight through about 7am Sunday morning but snow will redevelop and continue through most of the afternoon and into the evening on Sunday with lingering snow showers possible into early Monday morning. There will then be another break in the snow for most of Monday before an additional round of snow moves in on Tuesday with the potential for periods of snow persisting through Thursday morning. There is high uncertainty with accumulations from Tuesday through Thursday, but an additional 6 or more inches is not out of the realm of possibilities.

* WHAT...Heavy snow. Additional snow accumulations of 2 to 5 inches. Winds gusting as high as 35 mph. * WHERE...Eastern Norton Sound and Nulato Hills, Interior Seward Peninsula, Lower Koyukuk Valley, Lower Yukon and Innoko Valleys, Middle Yukon Valley, North Slopes of the Western Alaska Range, Southern Seward Peninsula Coast, and Upper Kuskokwim Valley. * WHEN...Until noon AKST Sunday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...The additional 2 to 5 inches of snow will arrive tonight and continue through early Sunday afternoon. There will be a break, then another front will arrive late Monday night with periods of snow persisting through Wednesday night. This has the potential to bring additional snow accumulations of 6 inches or more to the Western Interior.