Thu May 16 08:56:21 EDT 2024 East Washington Central Cascades (Zone 696)- East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697)- East Washington North Cascades (Zone 698)- Including the cities of Stevens Pass, Lake Wenatchee Area, Leavenworth, and Stehekin 556 AM PDT Thu May 16 2024 .Today... * Sky/Weather.........Partly sunny. A chance of rain showers in the late morning and afternoon. * LAL.................1. * Max Temperature.....60-70 valleys and 48-58 mountains. * 24 hr Trend........9 degrees cooler. * Min Humidity........35-50 percent valleys and 50-65 percent mountains. * 24 hr Trend........1 percent wetter valleys, and 15 percent wetter mountains. * 20-foot winds....... * Valleys/Lwr Slopes...West 10 to 15 mph with gusts to around 30 mph. * Ridges/Upr Slopes....West 10 to 23 mph with gusts to around 45 mph. * Haines Index........2 or very low. * Mixing Height.......4000 ft AGL. * Transport Winds.....West 15 to 30 mph. * CWR (> 0.10 IN).....20 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. A chance of valley rain showers in the evening. A chance of mountain snow showers through the night. A chance of valley rain showers overnight. * LAL.................1. * Min Temperature.....36-45 valleys and 26-36 mountains. * 24 hr Trend........21 degrees cooler. * Max Humidity........55-70 percent valleys and 70-80 percent mountains. * 24 hr Trend........5 percent drier valleys, and 10 percent wetter mountains. * Humidity Recovery...Good. * 20-foot winds....... * Valleys/Lwr Slopes...Northwest 11 to 17 mph with gusts to around 30 mph. * Ridges/Upr Slopes....Breezy. West 15 to 27 mph with gusts to around 50 mph. * Haines Index........3 or very low. * Mixing Height.......3500 ft AGL falling to near surface. * Transport Winds.....West 15 to 30 mph. * CWR (> 0.10 IN).....30 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. A chance of mountain snow showers in the morning. A chance of valley rain showers late in the morning. * LAL.................1. * Max Temperature.....53-63 valleys and 41-51 mountains. * Min Humidity........26-40 percent valleys and 35-50 percent mountains. * 20-foot winds....... * Valleys/Lwr Slopes...Northwest 12 to 20 mph with gusts to around 35 mph. * Ridges/Upr Slopes....Breezy. Northwest 16 to 26 mph with gusts to around 45 mph. * Haines Index........3 or very low. * Mixing Height.......5000 ft AGL. * Transport Winds.....Northwest 20 to 30 mph. * CWR (> 0.10 IN).....10 percent. .Forecast Days 3 Through 7...... .SATURDAY...Mostly cloudy. A chance of valley rain and mountain snow showers. Lows 37 to 46 valleys...28 to 38 mountains. Highs 52 to 62 valleys...41 to 51 mountains. West wind 10 to 20 mph. .SUNDAY...Partly cloudy. A chance of valley rain and mountain snow showers. Lows 36 to 45 valleys...28 to 38 mountains. Highs 55 to 65 valleys...44 to 54 mountains. Northwest wind 5 to 15 mph. .MONDAY...Partly cloudy. A chance of rain and high mountain snow showers. Lows 37 to 47 valleys...28 to 38 mountains. Highs 61 to 71 valleys...49 to 59 mountains. West wind 5 to 15 mph. .TUESDAY...Mostly cloudy. A chance of rain and high mountain snow showers. Lows 39 to 49 valleys...31 to 41 mountains. Highs 57 to 67 valleys...46 to 56 mountains. .WEDNESDAY...Mostly cloudy. A chance of rain showers, high mountain snow showers and thunderstorms. Lows 39 to 49 valleys... 32 to 42 mountains. Highs 55 to 65 valleys...44 to 54 mountains. .8 to 14 Day Outlook for May 23 - 29 2024 Below normal temperatures and above normal precipitation.