Thu May 2 17:30:34 EDT 2024 Shasta-Trinity National Forest in Siskiyou County- 229 PM PDT Thu May 2 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......30-35. * Max humidity..........80-95 percent valleys and 70-80 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 10 mph. * Ridges/upr slopes....North winds 5 to 10 mph. * Haines index..........2 or (very low). * LAL...................1. * Chc of wetting rain (.10 in)...0 percent. * Chc of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Mount Shasta 35 84 .FRIDAY... * Sky/weather...........Sunny until 1500, then mostly cloudy. * Max temperature.......Around 65 valleys and 50-55 ridges. * Min humidity..........20-30 percent valleys and 30-40 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 6 mph shifting to the south around 5 mph in the afternoon. * Ridges/upr slopes....Northeast winds 5 to 8 mph shifting to the south 5 to 6 mph in the afternoon. * Haines index..........3 or (very low). * LAL...................1. * Chc of wetting rain (.10 in)...0 percent. * Chc of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Mount Shasta 66 25 10 .FRIDAY NIGHT... * Sky/weather...........A chance of rain until midnight, then rain. * Min temperature.......35-40. * Max humidity..........95-100 percent. * 20-foot winds......... * Valleys/lwr slopes...South winds 5 to 15 mph. * Ridges/upr slopes....South winds 5 to 10 mph with gusts to around 20 mph increasing to 9 to 20 mph with gusts to around 30 mph after midnight. * Haines index..........3 or (very low). * LAL...................1. * Chc of wetting rain (.10 in)...100 percent. * Chc of wetting rain (.25 in)...85 percent. && TEMP / HUM / POP Mount Shasta 39 92 100 .SATURDAY... * Sky/weather...........Rain until noon. Snow after 0900 until noon, then showers, snow showers and a slight chance of thunderstorms. Snow level 5500 feet decreasing to 4500 feet in the afternoon. Snow accumulation of 2 to 5 inches. * Max temperature.......40-45 valleys and 30-35 ridges. * Min humidity..........65-75 percent. * 20-foot winds......... * Valleys/lwr slopes...Southwest winds 5 to 15 mph. Gusts up to 20 mph early in the morning. * Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 30 mph in the morning. * Haines index..........2 or (very low). * LAL...................2. * Chc of wetting rain (.10 in)...100 percent. * Chc of wetting rain (.25 in)...98 percent. && TEMP / HUM / POP Mount Shasta 44 62 100 .EXTENDED... .SATURDAY NIGHT...Colder. Showers, snow showers likely and a slight chance of thunderstorms. Snow level 3500 feet. Lows 20 to 30. Northwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. A slight chance of snow in the morning, then a slight chance of rain and snow in the afternoon and evening. Snow level 4000 feet. Highs 40 to 50. West winds 5 to 10 mph. .MONDAY...Partly cloudy with a slight chance of rain and snow. Snow level 5000 feet. Lows 25 to 30. Highs 45 to 55. Southwest winds 6 to 10 mph. .TUESDAY...Mostly clear. Lows 25 to 35. Highs 50 to 60. North winds 6 to 15 mph. .WEDNESDAY...Mostly clear. Lows 25 to 35. Highs 55 to 65. .THURSDAY...Mostly clear. Lows 30 to 40. Highs 60 to 70.