• A series of storms will impact portions of the Western U.S through this weekend. These storms will bring much needed precipitation to the Pacific Northwest, Rocky Mountains and parts of California. Northern California will be especially hard hit; with several inches of rainfall expected for the lower elevations and two to three feet of snow for portions of the Sierra Nevada.
• Rest Of Today: Partly sunny. Highs around 10. North winds 5 to 10 mph.
• Tonight: Partly cloudy. Lows around 15 below. North winds 5 to 10 mph. Wind chill readings 20 below to 30 below zero.

• Sunday: Partly sunny. Highs zero to 5 above. Northwest winds 5 to 15 mph. Coldest wind chill readings 25 below to 35 below zero in the morning.
• Sunday Night: Mostly clear. Lows around 20 below. Northwest winds 5 to 10 mph. Wind chill readings 25 below to 35 below zero.
• Monday: Mostly sunny. Highs zero to 5 above. West winds up to 5 mph shifting to the south in the afternoon. Coldest wind chill readings 25 below to 35 below zero in the morning.
• Monday Night: Partly cloudy. Lows around 10 below.
• Tuesday: Not as cold. Mostly cloudy. Highs in the mid 20s.
• Tuesday Night: Not as cold. Partly cloudy. Lows 5 to 10 above.
• Wednesday And Wednesday Night: Mostly cloudy with a 20 percent chance of light snow. Highs in the lower 20s. Lows 5 to 10 above.
• Thursday: Mostly cloudy with a 20 percent chance of light snow. Highs around 15.
• Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows zero to 5 above.
• Friday: Partly sunny. Highs in the mid 20s.