• A fairly quiet and tranquil weather pattern will prevail across much of the country on Friday and into the holiday weekend. Light rain and snow showers are forecast for parts of the Pacific Northwest, northern Cascades and Rockies. Meanwhile, temperatures will be 10-15 degrees below normal across the East Coast and Ohio Valley and as much as 10 degrees above normal across parts of the western U.S.

• Today: Partly sunny. Highs in the mid 30s. South winds 10 to 20 mph.
• Tonight: Partly cloudy. Lows 15 to 20. Southwest winds 5 to 10 mph shifting to the northwest after midnight.
• Saturday: Partly sunny. Highs in the upper 30s. Northwest winds 5 to 10 mph.
• Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 15 to 20. Northeast winds up to 5 mph shifting to the southeast after midnight.
• Sunday: Mostly cloudy. A 30 percent chance of light rain or snow in the afternoon. Highs in the mid 30s. Southeast winds up to 5 mph.
• Sunday Night: Mostly cloudy with a 30 percent chance of light snow. Lows in the lower 20s.
• Monday: Mostly cloudy with a 30 percent chance of light snow... Possibly mixed with rain. Highs in the mid 30s.
• Monday Night: Mostly cloudy with a 30 percent chance of light snow. Lows in the mid 20s.
• Tuesday: Cloudy with a 40 percent chance of light snow. Highs in the lower 30s. Temperature steady or slowly falling in the afternoon.
• Tuesday Night And Wednesday: Cloudy with a 50 percent chance of light snow. Lows around 20. Highs in the mid 20s.
• Wednesday Night And Thursday: Mostly cloudy with a 20 percent chance of light snow. Lows zero to 5 above. Highs 10 to 15.