Tonight...Mostly clear. Patchy fog. Lows ranging from 15 below to 20 below in valleys to 15 to 20 above over higher summits. Light winds.

Saturday...Mostly cloudy. Patchy fog. Highs ranging from 5 below to 10 below in valleys to 15 to 20 above over higher summits. Light winds.

Saturday Night...Decreasing clouds. Lows ranging from 20 below in valleys to 10 above over higher summits. Light winds.

Sunday...Mostly clear. Lows ranging from 25 below in valleys to 5 above over higher summits. Light winds.

Sunday Night...Partly cloudy. Lows 15 below to 20 below zero. Light winds.

Monday...Partly cloudy. Highs near 10 below.

Monday Night...Mostly cloudy with a chance of snow. Lows near 25 below.

Tuesday...Mostly cloudy. Highs near 15 below.

Tuesday Night...Mostly cloudy. Lows near 20 below.

Wednesday...Mostly cloudy. Highs near 15 below.

Wednesday Night...Mostly cloudy. Lows near 25 below.

Thursday...Mostly cloudy. Highs near 15 below.

Thursday Night...Mostly cloudy. Lows near 25 below.

Friday...Mostly cloudy. Highs near 15 below.