
SAN FRANCISCO (KCBS RADIO) – On the heels of a sweltering, record-breaking heat, some in the Bay Area might have to pull out a raincoat this weekend.
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An unseasonably wet storm system is bearing down on Northern California, which could bring beneficial rain throughout the region.
After temperatures reached upwards of 115 degrees last week, the Bay Area will see markedly cooler weather and the potential for showers in the afternoon Sunday into Monday morning.
Forecasters said that while it's normal to see fluctuations in September weather, this pendulum swing is a bit wider than most.
Rick Canepa, meteorologist with the National Weather Service, said September can be an unpredictable month, but this is out of the ordinary.
"We're not even to the astronomical fall season yet, we're a few days away from it, but to see a system coming down so early from the Northwest so early in the season is highly unusual," he told KCBS Radio.
According to Canepa, most of the Bay Area will get a few tenths of an inch of rain and the hills and the mountains could see upwards of an inch.
"We're talking about 700% to 800% of normal for a lot of spots down in the lower locations," he said. "Possibly in the North Bay it could be upwards of up to 1,000% of September normal (rainfall)."
While it's unusual to see a storm system coming down from Alaska so early in the season, Canepa acknowledged that the rain is much needed.
"Certainly welcome of course because it will halt fire weather season, at least currently and should also put the breaks on the long-term drought, at least preventing it from expanding at least temporarily," he said.
It's possible these showers could also help crews battling the Mosquito Fire in Placer County.
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