Tonight...Mostly cloudy. Areas of dense fog away from the columbia gorge. Visibilities reduced to one quarter of a mile or less. Lows around 25. Light wind...Except east wind 15 to 25 mph near the gorge after midnight.

Thursday...Mostly sunny...Except morning clouds and dense fog west and south of portland. Highs 40 to 45. East wind 5 to 15 mph...Except east wind 20 to 30 mph with gusts to 45 mph near the gorge.

Thursday Night...Mostly clear. Lows around 25. East wind 5 to 15 mph...Except east 25 to 35 mph with gusts 50 mph near the gorge.

Christmas Day...Mostly sunny. Highs 40 to 45. East wind 5 to 15 mph...Except east 25 to 35 mph with gusts 45 mph near the gorge.

Friday Night...Partly cloudy. Lows 25 to 30. East wind 5 to 15 mph...Except east 20 to 30 mph with gusts 45 mph near the gorge.

Saturday...Partly sunny. Highs around 40.

Saturday Night...Mostly cloudy. Slight chance of rain. Lows 30 to 35.

Sunday...Mostly cloudy. Slight chance of rain. Highs around 45.

Sunday Night...Mostly cloudy. Chance of rain. Lows around 35.

Monday...Mostly cloudy. Chance of rain. Highs around 45.

Monday Night...Mostly cloudy. Chance of rain. Lows around 35.

Tuesday...Mostly cloudy. Chance of rain. Highs 40 to 45.

Tuesday Night...Mostly cloudy. Chance of rain. Lows around 35.

Wednesday...Mostly cloudy. Chance of rain. Highs 40 to 45.