Fri Oct 29 17:09:50 EDT 2021 Northern Blue Mountains of Oregon-Blue Mountains of Washington- 209 PM PDT Fri Oct 29 2021 .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers in the evening. * Min temperature.....31-36. * Max humidity........88-95 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...West winds 1 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 2 to 7 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * LAL.................1. * Haines Index........4 or (low). * Mixing height.......Near surface. * Transport winds.....West around 5 mph in the evening becoming light. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....45-53...except 40-45 ridges. * Min humidity........46-59 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 2 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northeast 2 to 5 mph in the afternoon. * CWR.................0 percent. * LAL.................1. * Haines Index........4 or (low). * Mixing height.......3500 ft agl. * Transport winds.....East around 5 mph. .SATURDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....30-35. * Max humidity........76-86 percent. * Humidity recovery...Excellent...except Good ridges. * 20-foot winds....... * Valleys/lwr slopes...East winds 1 to 5 mph. * Ridges/upr slopes....East winds 2 to 6 mph. * CWR.................0 percent. * LAL.................1. * Haines Index........3 or (very low). * Mixing height.......Near surface. * Transport winds.....East around 5 mph. .SUNDAY... * Sky/weather.........Partly cloudy. A slight chance of showers in the afternoon. * Max temperature.....45-53...except 41-46 ridges. * Min humidity........49-61 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * LAL.................1. * Haines Index........2 or (very low). * Mixing height.......2500 ft agl. * Transport winds.....Light winds becoming north around 5 mph in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy with a slight chance of showers. Lows 33 to 38. Highs 47 to 56. Southeast winds 1 to 5 mph. .TUESDAY...Mostly cloudy with a chance of rain. Lows 35 to 40. Highs 45 to 55. Southwest winds 1 to 5 mph. .WEDNESDAY...Mostly cloudy. Lows 33 to 40. Highs 47 to 57. Southeast winds 2 to 7 mph. .THURSDAY...Mostly cloudy with a chance of rain. Lows 36 to 42. Highs 43 to 54. Southwest winds 3 to 8 mph. .FRIDAY...Mostly cloudy with a chance of rain and snow. Lows 31 to 38. Highs 41 to 51. Southwest winds 3 to 8 mph.