Winter Storm in Upper Snake River Plain, Idaho

Winter Storm February 16, 2026 – February 17, 2026 · Upper Snake River Plain, Idaho

What the National Weather Service wrote

Due to blowing and drifting snow, State Highway 33 was closed down from Newdale to Tetonia by 9 am and US Highway 26 was closed from Ririe to Swan Valley due to extensive blowing and drifting snow. A wind gust of 68 mph was measured at the Idaho Falls ASOS.

The wider storm

Wind and snow affected all of southeastern Idaho on the 17th with localized heavy snow, extreme winds and some road closures.

Source: NOAA Storm Events Database, event 1320774. Narratives are written by the National Weather Service forecast office that issued the report.

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