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Local Forecast

Monday evening forecast – May 3

High pressure aloft will build over the area through Wednesday, weakening onshore flow and bringing a warming trend to most areas. Low clouds and fog will mainly be confined along the Central Coast and the lower valleys through mid week. A broad area of low pressure will approach the west coast for the second half of the week and bring cooler temperatures and a slower clearing marine layer.

Overall a quiet week of weather this week. A weak ridge of high pressure and relatively light onshore flow will keep the warming trend going for inland areas through mid week but not much change expected at the coast. A strengthening inversion should help the marine layer to reform a little more solidly over the coastal areas the next few nights, though some northeast flow along the Central Coast should keep it clear there Monday night. 

Temperatures both Tuesday and Wednesday will be above average in the upper 60s to mid 70s at the coast and 80s and 90s inland.

By Thursday a trough will push into the West Coast and nudge the ridge to the east which will allow cooler air to push inland. This should bring inland temps down 4-8 degrees on average and push the marine layer into the coastal valleys.

A trough will remain over the west coast most of the period through the weekend, maintaining a moderate to strong onshore flow and continuing the cooling trend that will begin Thursday. The marine layer will deepen and take longer to clear on most days. by the weekend daytime highs will fall back to normal or slightly below normal.

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Kelsey Gerckens

Kelsey Gerckens is chief meteorologist for NewsChannel 3-12. To learn more about Kelsey, click here.

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