The DOT cams appear to show snow on the west slopes, but rain on the summit and east (could just be a weird light angle that appears that way). The forecast looks like tonight might have some possibilities.
National Weather Service Forecast
For the West Slopes Central Cascades and Passes
Today... Showers likely early... Then mostly cloudy with scattered showers. Breezy. Snow accumulation 2 to 4 inches... And locally up to 6 inches. Snow level falling to 3500 feet. Afternoon pass temperatures in the 30s. West wind in the passes 20 to 25 mph.
Tonight... Partly cloudy with a chance of showers in the evening... Then mostly clear after midnight. Snow level 2000 feet. Northwest wind in the passes 10 to 15 mph shifting to the east after midnight.
Monday... Mostly sunny. Freezing level 3500 feet. Afternoon pass temperatures in the lower to mid 30s. East wind in the passes around 10 mph in the morning becoming light.
Hyak Ski and Snowboard Adventure
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