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What's with the roller coaster weather?

First the deep cool down, now the rapid heat up. What's going on?
Credit: FREDERIC J. BROWN/Getty Images
Climbing temperatures could cause 6,700 to 11,300 more heat-related deaths annually in California. Also, heat-related fatalities will dominate economic damage to the state from climate change, costing up to $50 billion per year by mid-century.

SACRAMENTO, Calif. — It seems like mother nature can’t make up her mind this week. Temperatures have significantly dropped since Sunday, and now are expected to really heat up this weekend. 

Cool spring-like temperatures have graced the northern California valley for the past few days — but don’t put away your shorts and tank tops. Temperatures will hit the triple digits by Saturday.

RELATED: Sacramento Local Forecast

An unusual, but not rare, low pressure system is headed toward the Pacific Northwest, with heavy rainfall forecasted for Oregon and Washington. For northern California that means cooler weather. Recently the valley, foothills, and even high Sierra have been experiencing temperature drops of  8-12 degrees below average.

But the relief isn't long lasting! As the low pressure moves northeast in the next 24 hours, high pressure will start to build and temperatures will rise. 

Expect to see those temperatures climbing about 3-5 degrees each day until Saturday. Friday into Saturday, highs will be close to 97 and 100 degrees. 

The heat comes just in time for opening weekend of the California State Fair, so  make sure you are well equipped with plenty of water, sunscreen, sunglasses, and light clothing.

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WATCH MORE: 6 things you didn’t know you needed in case of a natural disaster

Wildfires, earthquakes, landslides, flooding, and even tsunamis are natural disaster risks we all face as Californians. Being prepared can reduce fear, anxiety, and losses that come with facing a major disaster.

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