Arnold, CA…Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft. Tonight, Mostly cloudy with a chance of rain showers early in the evening, then partly cloudy with a slight chance of rain and snow showers in the late evening and overnight. Colder. Lows 28 to 38. South winds up to 15 mph. Gusts up to 35 mph in the evening.

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Columbus Day
Widespread frost in the morning. Partly cloudy with a slight chance of snow showers in the morning, then mostly cloudy with a chance of rain showers, snow showers and a slight chance of thunderstorms in the afternoon. Highs 38 to 48. No snow accumulation lower elevations…up to 1 inch higher elevations. Light winds becoming west up to 10 mph in the afternoon.

Monday Night
Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy with a slight chance of snow showers after midnight. Widespread frost through the night. Lows 24 to 34. No snow accumulation lower elevations…up to 1 inch higher elevations. Light winds becoming northeast up to 10 mph with gusts to around 20 mph after midnight.

Tuesday
Sunny. Not as cool. Highs 48 to 58. Northeast winds 10 to 15 mph with gusts to around 30 mph in the morning becoming light.

Tuesday Night
Clear. Lows 29 to 39. North winds up to 10 mph shifting to the east after midnight. Gusts up to 30 mph.

Wednesday
Sunny, warmer. Highs 55 to 65.

Wednesday Night
Clear. Lows 35 to 45.

Thursday Through Sunday
Clear. Highs 62 to 72. Lows 37 to 47.

Detailed forecast for
Southern Motherlode Between 1000-3000 ft
Tonight
Mostly clear. Lows 44 to 54. Southeast winds up to 10 mph with gusts to around 25 mph.
Columbus Day
Mostly sunny. Highs 59 to 69. Southeast winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 20 mph.
Monday Night
Clear. Lows 41 to 51. Light winds.
Tuesday
Sunny. Highs 66 to 74. Northeast winds up to 10 mph shifting to the west in the afternoon. Gusts up to 20 mph.
Tuesday Night
Clear. Lows 44 to 54. Northwest winds up to 10 mph shifting to the northeast after midnight.
Wednesday
Sunny. Highs 70 to 78.
Wednesday Night
Clear. Lows 47 to 55.
Thursday Through Sunday
Clear. Highs 78 to 88. Lows 50 to 60.