Expires:202605152300;;612090 FPUS56 KSTO 151832 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 1132 AM PDT Fri May 15 2026 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Saturday. CAZ128-152300- Lassen Volcanic NP- Including the city of Lassen National Park 1132 AM PDT Fri May 15 2026 .TODAY...Sunny. Highs 56 to 66. Northwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. .TONIGHT...Mostly clear in the evening then becoming mostly cloudy. Lows 32 to 38. Northwest winds around 10 mph shifting to the north up to 10 mph after midnight. Gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs 47 to 57. North winds around 10 mph with gusts to around 25 mph. .SATURDAY NIGHT...Partly cloudy. Colder. Lows 25 to 31. North winds 10 to 15 mph with gusts to around 40 mph. .SUNDAY...Mostly sunny. Highs 41 to 51. Northeast winds 10 to 20 mph with gusts to around 45 mph. .SUNDAY NIGHT...Clear. Lows 27 to 33. .MONDAY...Sunny. Not as cool. Highs 51 to 61. .MONDAY NIGHT AND TUESDAY...Clear. Lows 32 to 38. Highs 54 to 64. .TUESDAY NIGHT THROUGH THURSDAY...Clear. Lows 37 to 47. Highs 61 to 71. $$ =