Weather Summary
So if you looked outside these past couple of mornings you likely noticed the beautiful result of our thick valley fog. It's known as hoarfrost. It's really something. A layer of hoarfrost covers just about everything, with these delicate, feathery ice crystals clinging to the trees and grass. It's a pretty beautiful sight. The frost gives everything a nice, crisp coating, making for a really peaceful morning."
The strong inversion will persist through at least Friday, maintaining widespread low clouds and fog across the lower valleys from Malheur County in Oregon through much of the Treasure Valley. This prolonged inversion will lead to little improvement in weather conditions, with temperatures struggling to reach the upper 30s. The Boise Metro area is expected to remain under low clouds and fog again Thursday through Friday mornings, with cold surfaces creating possible patchy icy spots. Air quality will also remain poor due to stagnant conditions.
A strong cold front Saturday night should remove the inversion and the stagnant air along with it leaving a much cleaner airmass for early next week.
Tonight
More low clouds and dense fog forming as the sun goes down. Very dense fog in some areas with patchy icy spots on roads. Low around 25, calm wind.
Thursday - Friday
More of the same with afternoon sunshine for Ada County and points east but cloudsy all day in the western valley, High in the mid-30s with lows in the 20s. calm wind.
Saturday
Slight chance of rain and snow after 11 am otherwise mostly cloudy, high near 37, 20% chance of precipitation.
Saturday Night
Mostly cloudy with a good chance of snow and possible light accumulations and slick roads, low around 30.
Sunday
Slight chance of rain before 11 am, then slight chance of rain and snow, otherwise partly sunny, high near 41. (Less fog is likely!)
Monday
Sunny, high near 40.
Tuesday
Mostly sunny, high near 39.
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