Normal high/ low temperatures for Sept 16-Sept 23 (high/low) Redding 89/58 Chico 89/54, Quincy 81/37, Chester 77/36, Susanville 76/41, Grass Valley 80/49, Weaverville 85/40, Mt. Shasta 76/42, Yreka 80/42, Alturas 78/33.
A low pressure trough and frontal system are now moving across Northern California. The heaviest precipitation has moved east of the valley, but there will be isolated showers and possible thunderstorms through this evening. Tuesday will be partly sunny to partly cloudy. Another weak low pressure trough will move through the area late Tuesday and Wednesday with scattered showers and thunderstorms mainly over the foothills and mountains.
Thursday through the weekend high pressure will be back along the west coast (see map below). The north state will be mostly sunny with temperatures back to normal or slightly above. Gusty north winds will occur at times.
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