Mon May 20 17:28:50 EDT 2024 East Washington South Central Cascade Mountains- 228 PM PDT Mon May 20 2024 .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....37-42...except 32-37 ridges. * Max humidity........78-93 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...West winds 6 to 12 mph. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * LAL.................1. * Haines Index........3 or very low potential for extreme fire behavior. * Mixing height.......Near surface. * Transport winds.....Northwest 15 to 20 mph. .TUESDAY... * Sky/weather.........Mostly cloudy. A slight chance of showers in the morning, then showers in the afternoon. * Max temperature.....47-55...except 40-47 ridges. * Min humidity........61-76 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................70 percent. * LAL.................1. * Haines Index........2 or very low potential for extreme fire behavior. * Mixing height.......4000 ft agl. * Transport winds.....West 15 to 20 mph. .TUESDAY NIGHT... * Sky/weather.........Mostly cloudy. Showers in the evening, then a chance of rain and snow showers after midnight. * Min temperature.....33-39...except 29-34 ridges. * Max humidity........85-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 5 to 11 mph. * CWR.................60 percent. * LAL.................1. * Haines Index........3 or very low potential for extreme fire behavior. * Mixing height.......Near surface. * Transport winds.....West around 20 mph. .WEDNESDAY... * Sky/weather.........Mostly cloudy. Snow showers likely in the morning. A chance of showers. A chance of snow showers in the afternoon. * Max temperature.....44-52...except 37-44 ridges. * Min humidity........50-65 percent...except 61-76 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 8 to 14 mph with gusts up to 30 mph. * Ridges/upr slopes....West winds 8 to 14 mph. * CWR.................20 percent. * LAL.................1. * Haines Index........3 or very low potential for extreme fire behavior. * Mixing height.......6000 ft agl. * Transport winds.....Northwest around 20 mph. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Partly cloudy. Lows 32 to 38. Highs 48 to 62. West winds 6 to 12 mph. .FRIDAY...Mostly cloudy with a chance of showers. Lows 35 to 42. Highs 43 to 56. West winds 4 to 9 mph. .SATURDAY...Mostly cloudy with a chance of rain and snow showers. Lows 30 to 37. Highs 41 to 55. West winds 6 to 12 mph. .SUNDAY...Partly cloudy with a slight chance of showers. Lows 32 to 39. Highs 45 to 59. West winds 5 to 11 mph. .MEMORIAL DAY...Partly cloudy with a slight chance of showers. Lows 34 to 41. Highs 55 to 67. South winds 2 to 7 mph.