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Todays weather in Boise Idaho - Monday - 18 May 2026
Audio is available on Spreaker — see link below.
Black ice is hitting I-84 between mile posts 65 and 80 this morning — Idaho State Police are flagging the Stage Stop corridor for extreme caution. Plus, a powerful atmospheric river is building across the Pacific Northwest with Boise in its range.
Audio is available on Spreaker — see link below.
Boise. There's black ice on I-84 this morning, and it's not subtle.
Here's the practical reality. Black ice forms when temperatures drop just enough overnight to freeze surface moisture without leaving any visible sign.
Now, the bigger picture is shifting. A powerful atmospheric river is developing across the Pacific Northwest, and it's got Idaho in its range.
The atmospheric river's exact track will determine how much of this lands in the valley versus the mountains. Keep an eye on updates through the weekend.
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