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Wind gusts up to 50 mph to hit Idaho on Monday afternoon. Then … thunderstorms and snow

Treasure Valley residents might want to maintain onto their hats and deliver inside any free objects Monday afternoon, as robust winds are anticipated to blow via the Boise space.

The National Weather Service in Boise issued a wind advisory for the higher Treasure Valley (together with Ada County) and Magic Valley on Monday. The advisory is in impact from midday to 7 p.m. and warns of sustained winds between 20 and 35 mph and wind gusts up to 50 mph.

Weather Service meteorologist Korri Anderson informed the Idaho Statesman that the strongest winds will seemingly be within the Magic Valley, however Boise residents can nonetheless count on gusts up to 35 mph.

“Gusty winds could blow around unsecured objects,” the wind advisory warns. “A few power outages are possible.”

The strongest winds will seemingly arrive in Boise round 2 p.m., in accordance to modeling from the Weather Service, and final till the advisory expires at 7 p.m.

The robust winds outcome from a chilly entrance transferring from the northwest into Idaho. The temperature in Boise is anticipated to drop from a excessive of 59 levels throughout the day to 34 levels in a single day. The temperature drop received’t arrive as quickly because the wind as a result of robust winds typically blow ahead of a chilly entrance. Expect the drop to start at round 5 p.m., as soon as the chilly entrance arrives.

The chilly entrance additionally brings the prospect for extreme thunderstorms within the valleys and snow at greater elevations.

“There’s about a 10% to 15% chance (of thunderstorms), and that’ll be mainly north of Boise,” Anderson mentioned. “It will mostly come from north of Ontario across the west-central mountains and then up toward Baker City, Oregon.”

Any storms that type over the mountains might fall as snow. Anderson mentioned the snow degree will decrease to about 3,500 toes Monday afternoon. Boise sits at about 2,700 feet in altitude, however the base of Bogus Basin sits at 5,800 feet, which means any storms north of Boise might drop snow approaching the Boise Foothills.

The Weather Service forecasts that the best peaks within the Boise Mountains might choose up about 2 inches of snow.

Anderson mentioned any snowstorms would seemingly embody graupel, or “soft hail,” which is small frozen pellets akin to hail that soften on impression with the bottom.

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