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Normal high and low temperatures for this week April 14-April 20 (high/low)...Redding/Red Bluff 70/47, Chico 73/44, Quincy 64/32, Chester 57/28, Susanville 62/34, Grass Valley 61/39, Weaverville 67/35, Mt. Shasta 59/34, Yreka 64/34 tand Alturas 60/30.
High pressure is still along the coast and this forcing low pressure troughs and frontal systems to our north. Today and Sunday most of the north state will be sunny with a few high clouds. The exception will be the north coast and counties along the Oregon Border, which will become partly cloudy this afternoon as a frontal system moves through Washington and Oregon. Temperatures today and Sunday and will continue 5 to 10 degrees above normal.
A big change in our weather begins Monday when a cold low pressure trough drops southward from the Gulf of Alaska toward Northern California. This system will move across our area Tuesday (see map below). The low will bring scattered showers to Northern California Monday and Tuesday with thunderstorms possible Tuesday. Colder air will move into the state and by Tuesday snow levels will be down to 4000 to 5000 feet. Precipitation amounts will be light. Gusty southwest to northwest winds will occur Monday afternoon and Tuesday.
The showers will end over most areas by early Wednesday, with decreasing clouds during the day. Thursday the north state will be partly to mostly sunny with temperatures back to near normal.
Friday and Saturday a stronger....windier and wetter system will move into Northern California. Light rain is expected Friday with heavier rain and stronger winds Saturday. It looks like this will be first of several storms with wet weather through the end of the month.
Weather Outlook for Redding, Shasta Lake City, Anderson, Cottonwood, and Red Bluff
Sunday Night: Clear. Min temps 50 to 56. Light wind.
Monday: Increasing clouds with showers. Max temps 70 to 75. South wind 15 to 25 mph in the afternoon.
Monday Night: Partly cloudy to cloudy with a chance of showers. Min temps 51 to 57. Southwest wind 10 to 15 mph.
Tuesday: Partly cloudy to cloudy with showers and thunderstorms. Max temps 60 to 65. Southwest to northwest wind 14 to 22 mph.
Tuesday Night: Partly cloudy with evening showers and thunderstorms. Min temps 43 to 48. Northwest wind 8 to 16 mph.
Thursday: Mostly sunny with scattered clouds. Max temps 70 to 75. North wind 7 to 15 mph.
Thursday Night: Increasing clouds. Min temps 42 to 50. Light wind.
The Old Forecaster