A spring storm will roll across the region through Wednesday. Expect windy conditions at times area wide. Valley rain and Sierra snow are expected, with snow levels dipping to Lake Tahoe-level tonight and foothill-level on Wednesday. Snow totals of an additional 5-10″ are possible, and controls are expected over Sierra passes. Freezes are likely in many spots following the storm on Thursday and Friday mornings. More unsettled weather is possible by the weekend. -Jeff…