Arnold, CA…The National Weather Service is forecasting a fairly weak system rolling through tonight West Slope Northern Sierra Nevada. Today Mostly sunny in the morning, then partly cloudy with rain showers likely in the afternoon. Highs 45 to 60 higher elevations…54 to 66 lower elevations. Prevailing southeast winds 5 to 15 mph shifting to the south in the afternoon. Gusts up to 30 mph. Over ridges…revailing southwest winds 15 to 30 mph. Tonight Cloudy. At lower elevations, rain showers in the evening, then a chance of rain showers after midnight. At higher elevations, rain showers in the evening, then a chance of rain and snow showers after midnight. Colder. Lows 25 to 40 higher elevations…34 to 44 lower elevations. Little or no snow accumulation. Snow level 7500 feet after midnight. Prevailing south winds up to 10 mph with gusts to around 25 mph…except southwest 15 to 30 mph over ridges.

Wednesday
Mostly cloudy with a chance of rain and snow showers. Highs 28 to 43 higher elevations…41 to 49 lower elevations. No snow accumulation lower elevations…up to 1 inch higher elevations. Snow level 5500 feet. Prevailing southwest winds up to 10 mph. Over ridges, prevailing southwest winds 10 to 25 mph decreasing to 5 to 15 mph in the afternoon.

Wednesday Night
Partly cloudy. A slight chance of snow showers in the evening. Colder. Lows 14 to 29 higher elevations…29 to 37 lower elevations. Prevailing south winds up to 10 mph shifting to the northeast after midnight.

Thursday
Partly cloudy in the morning then becoming mostly sunny. Not as cool. Highs 31 to 46 higher elevations…46 to 52 lower elevations. Prevailing northeast winds up to 10 mph in the morning becoming light.

Thursday Night
Mostly clear. Lows 23 to 38.

Friday
Partly cloudy. Not as cool. Highs 42 to 57.

Friday Night
Partly cloudy. Lows 30 to 45.

Saturday
Mostly cloudy with a chance of rain and snow. Highs 44 to 59.

Saturday Night Through Sunday Night
Mostly cloudy with a chance of rain and snow. Lows 31 to 46. Highs 37 to 52.

Monday
Mostly cloudy with a chance of rain and snow. Highs 38 to 53.