Cooling Trend & Wet for Weekend

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New snow fell overnight near Crater Lake & Diamond Lake. Isolated showers through the morning will come to an end into midday here & partly to mostly sunny skies will persist. High temperatures will run a few degrees cooler today, ahead of a cold air mass settling into the Northwest Thursday & Friday.

Shower activity in combination with cold temperatures towards the end of the week could bring some snow showers to lower elevations through the overnight & morning hours Thursday & Friday. The past few days models have continued to show a weak system moving through Siskiyou County Wednesday night into Thursday. The exact track of this storm, amount of cloud cover & arrival of cold air will depend on how low snow showers will fall through this time period.

I am hesitant to take showers out of the forecast throughout the day Thursday for most areas as well. For now, everyone is looking at shower activity into Thursday as this cold air begins to move into place from the North. By Friday, an onshore wind and also very little moisture may support isolated showers also. Upslope flow will make snow more likely in the Cascades Friday. Snow levels will be gradually dropping Thursday into Friday, but again storm track from an area of low pressure to our north and west (bringing in this moisture) will determine how high or low snow levels will be and what type of precipitation to expect across all areas through the Thursday/Friday time frame. We may have a wintry mix or snow flurries falling for parts of the West Side Valleys Thursday morning and/or Friday morning if temperatures are near and below the freezing mark. Again, the forecast will be changing throughout the week and updates will come accordingly.

To sum this up, scattered showers will likely develop through Thursday (all in the form of snow for the mountains) and isolated showers will remain in the forecast for Friday. Saturday will bring a real weathermaker to the area. This front will increase winds and bring moderate to heavy rain to the Coast and measurable rain to West Side Valleys. Into Sunday it looks like another wave will move through Northern California. This active pattern will continue through at least Monday morning.

Many changes to the forecast are likely through the next few days. Keep it here with NewsWatch 12 for the latest updates on your forecast.

Meteorologist Alyssa Caroprese