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High pressure will continue just to our east for the next week. Temperatures will continue above normal...although they will cool slightly this weekend especially in the valley south of Marysville where marine air will provide a little more cooling.
The other feature we will continue to deal with is sub tropical moisture coming northward and afternoon and evening thunderstorms. The winds aloft and now southwesterly and will remain that way through early Sunday. This pushes the thunderstorm activity eastward. Today through Sunday the threat of thunderstorms will be over eastern Siskiyou, Modoc and Lassen counties and along the Nevada border. There continues to be some indications in some of the longer range forecast models of a weak upper level low pressure area forming off the coast (see map below) early next week. If this happens then the threat of thunderstorms will be spread back over all of the higher elevations of the north state. Light to moderate southwest winds are expected in the afternoons through Sunday.
There are several large fires burning in the north state so we will begin to see an increase in reduced visibility due to smoke.
Weather Outlook for Redding, Shasta Lake City, Anderson, Cottonwood, and Red Bluff
Saturday: Sunny with some afternoon clouds. Max temps 99 to 103. South wind 10 to 15 mph in the afternoon.
Saturday Night: Clear. Min temps 66 to 72. Light wind.
The Old Forecaster