Normal high and low temperatures for July 25-Aug 1 (high/low)...Redding 100/67, Chico 97/60, Quincy 91/44, Chester 88/47, Susanville 90/53, Grass Valley 91/58, Weaverville 97/51, Mt. Shasta 897/52, Yreka 94/54, Alturas 91/46
This blog will be issued every Monday morning and updated if the weather is changing or critical or interesting weather events are occurring.
High pressure still holding over the west. Today will be a repeat of yesterday...except in the valley south of Red Bluff where temperatures will be a few degrees cooler. Tuesday through Friday the high pressure system gets stronger and moves westward. (see map below). This will bring very hot weather to the north state. Wednesday through Friday the north valley will see 108 to 112 degree readings. A little bit of sub tropical moisture will side up from the south and, Thursday and Friday there could be isolated afternoon and evening thunderstorms along and east of the Sierra Cascade Crest.
Temperatures will begin cooling Saturday as a low pressure trough moves through Canada and pushes the high pressure ridge back to the east. Temperatures will be back to near normal by next Monday.
The Old Forecaster