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Storm Tracker Forecast: Mostly sunny & warm start to Fall

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Ready or not, Fall starts today! We're in the last remaining hours of the Summer season before Fall officially starts at 12:20pm today. A fitting and modest dip in temperatures is expected for your first afternoon of Fall, but valley areas will likely end up in the same range as Tuesday. Mountain and foothill areas will likely end up a couple of degrees cooler than Tuesday on Wednesday afternoon. Low pressure tracking into the Pacific Northwest from the Eastern Pacific will drive our modest cooling today, and bring the potential for gusty winds today through at least Thursday. High pressure parked off the coast in the Pacific and another ridge off to our east will keep us dry and warm through the end of this week, with temperatures on the rise through Friday. Skies are mostly clear for the start of your Wednesday, and we'll end up mostly sunny through the day. Winds are out of the northeast and mostly light early today, but will pick up and shift to become out of the south this afternoon. Sustained winds out of the south in the 10 to 15mph range look likely, and southwest gusts up to 30mph will be possible in the foothills and Sierra. Humidity will dip into the 11 to 21 percent range this afternoon, and that mixed with the wind will result in elevated fire danger this afternoon in our higher elevations. The south winds from yesterday also ushered wildfire smoke north into our region yesterday, and our air quality is more impacted for the start of your Wednesday. Temperatures are ranging from the 50's to 70's in the valley, 60's to 70's in the foothills, and 30's to 40's in our mountain areas this morning. High temperatures will top out in the mid 90's in the valley, and 70's to 80's in the foothills and mountains this afternoon.

The low pressure will slide from our north to our east on Thursday, and that will drive gusty north winds into our region. High pressure will build into northern California through the remainder of this week, and that will drive dry conditions and a warming trend to our region through at least Friday. Valley aresa can expect to climb into the mid to upper 90's from Thursday through Saturday, while foothill and mountain areas top out in the 80's to lower 90's during that time. We'll have sunny skies to end the week. North winds will bring elevated fire danger concerns on Thursday, but should also help to improve our air quality. Lighter south winds are then expected from Friday into your weekend. We'll have low pressure parked in southern California and high pressure off the coast impacting our weather pattern from Friday through Sunday. A more robust area of low pressure is then expected to track into the Pacific Northwest from Sunday through early next week. This will result in a welcome cooling trend, and the potential for mountain showers on Monday and Tuesday. Temperatures will dip back into the upper 80's in the valley on Sunday, then down into the low to mid 80's on Monday and 70's on Tuesday! Mountain and foothill areas iwll have tmeperatures in the 70's to 80's through this weekend, and twill then dip into the 60's to 70's early to mid week next week.

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