INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS NATIONAL WEATHER SERVICE SACRAMENTO CA SHASTA LAKE AREA / NORTHERN SHASTA COUNTY- INCLUDING THE CITIES OF...SHASTA DAM 325 PM PST SAT NOV 21 2009 .TONIGHT...MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW IN THE EVENING...THEN RAIN AND SNOW LIKELY AFTER MIDNIGHT. LOWS 28 TO 38 HIGHER ELEVATIONS...34 TO 42 LOWER ELEVATIONS. SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL 5000 FEET. .SUNDAY...MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 39 TO 49 HIGHER ELEVATIONS...47 TO 55 LOWER ELEVATIONS. SNOW ACCUMULATION UP TO 1 INCH. TOTAL SNOW ACCUMULATION UP TO 2 INCHES. SNOW LEVEL 5000 FEET. .SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. LOWS 28 TO 38. .MONDAY...MOSTLY CLOUDY. NOT AS COOL. HIGHS 46 TO 56 HIGHER ELEVATIONS...53 TO 63 LOWER ELEVATIONS. .MONDAY NIGHT...PARTLY CLOUDY. LOWS 29 TO 39. .TUESDAY...MOSTLY SUNNY. HIGHS 51 TO 61. .TUESDAY NIGHT...MOSTLY CLEAR. LOWS 31 TO 41. .WEDNESDAY...SUNNY. HIGHS 52 TO 62. .WEDNESDAY NIGHT...MOSTLY CLEAR. LOWS 30 TO 40. .THANKSGIVING DAY...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS 49 TO 59. .THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 30 TO 40. .FRIDAY...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS 47 TO 57. .FRIDAY NIGHT...PARTLY CLOUDY. LOWS 29 TO 39. .SATURDAY...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS 47 TO 57. && TEMPERATURE / PRECIPITATION SHASTA DAM 40 53 38 61 / 50 50 0 0