This weekend will mark the only visible supermoon of 2017, an event in which the moon appears to be about 14 percent larger than normal. But what will it look like from the Treasure Valley?
The December supermoon, also known as a Cold Moon, will be at its fullest around 8:30 a.m. Sunday, Dec. 3. Unfortunately, said Boise National Weather Service meteorologist Stephen Parker, incoming storms could cloud Idahoans’ view on Sunday.
That doesn’t mean you’re totally out of luck. The moon will still appear larger the evening of Friday, Dec. 1, and Saturday, Dec. 2, as it moves closer to the Earth.
“We’re looking at an increase in clouds on Friday night and then a cloudy Saturday night,” Parker said. “Saturday is not looking good at all.”
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Large storm systems from the West could shroud the supermoon in haze, Parker said. And though it’s sometimes possible to get a better view of the night sky from the nearby mountains, Parker said towering clouds will make even Bogus Basin too socked-in to see much.
That same storm system could make Boise State’s Mountain West championship football game against Fresno a bit soggy, too. Parker said forecasts don’t show heavy rain, but showers will likely start Saturday afternoon and continue into the evening. There’s also a chance of showers Sunday.
Parker said weekend temperatures should hover around 50 degrees, dipping into the 40s as rain falls.
Skygazers need not mourn, though. January will see two supermoons of its own — and several of the celestial events lit up the sky last year, including a historic November moon that was bigger than any seen in nearly 70 years.