Canyon County, in southwest Idaho’s Treasure Valley west of Boise, declared a countywide disaster emergency on June 27, 2026, after severe thunderstorms moved through the Nampa–Caldwell area the previous evening, bringing strong winds, heavy rain, and hail. Preliminary National Weather Service (NWS) observations recorded gusts of 89 km/h (55 mph) at Boise Airport and 85 km/h (53 mph) at Caldwell Airport.
The National Weather Service (NWS) office in Missoula upgraded Winter Storm Watches to Winter Storm Warnings at 11:04 MDT (17:04 UTC) on June 26, 2026, for four high-elevation zones in central Idaho and southwest Montana, where 10-20 cm (4-8 inches) of heavy wet snow, with isolated amounts up to 30 cm (12 inches), is forecast above about 2 000 m (6 500 feet) over the weekend.
Winter Storm Warnings remained in effect across parts of Montana, Idaho, Wisconsin, Michigan, Minnesota, and Wyoming on Friday, March 13, 2026, as a broad winter storm brought heavy snow, blowing snow, and hazardous travel conditions from the northern Rockies into the Upper Midwest. Forecast totals ranged from several cm in some lower elevations to 150 cm (5 feet) in parts of Idaho’s higher terrain, while parts of Montana’s mountain ranges were forecast to receive up to 120 cm (4 feet).
A major winter storm is affecting the Pacific Northwest and northern Rockies, with winter storm warnings in effect through 16:00 PST on Thursday, January 8, 2026. Heavy snow is forecast to continue across the Cascades of Washington and Oregon, extending into Idaho and western Montana. Snow accumulations are forecast to reach between 30 cm and 120 cm (1 to 4 feet), with gusts up to 80 km/h (50 mph) causing whiteout conditions and difficult travel across mountain passes.
A powerful windstorm with gusts reaching 232 km/h (144 mph) battered parts of the Pacific Northwest and Rockies this week, leaving one dead, two injured, and hundreds of thousands without power by December 18, 2025. The deep low-pressure system continues moving east toward the northern Plains and Midwest, sustaining severe winds and wildfire risks.
A powerful winter storm hit the Pacific Northwest and parts of the inland Northwest on December 17, 2025, causing widespread power outages across Washington, Oregon, and Idaho. At least 596 830 electricity customers were left without power, an impact estimated to affect approximately 1.4–1.6 million people across the region, as strong winds damaged power infrastructure and disrupted services.
The National Weather Service (NWS) issued multiple high wind warnings and watches across the Pacific Northwest and northern Rockies on Monday, December 15, 2025, as a strong surface low-pressure system moved into the region. The alerts cover parts of Montana, Wyoming, Idaho, Washington, and Oregon, and remain in effect through Wednesday afternoon, December 17, with sustained winds of 40–70 km/h (25–45 mph) and gusts exceeding 110 km/h (70 mph) forecast in exposed and mountainous areas.
Heavy snow and strong winds are affecting parts of Idaho, Montana, Washington, and Colorado, with multiple winter storm warnings and advisories in effect through Saturday, December 6, 2025. Mountain areas are expected to receive 15–60 cm (6–24 inches) of snow, creating hazardous travel conditions through the weekend.
The Sunset Fire burning northeast of Athol, Idaho, reached approximately 650 ha (1 600 acres) by the evening of August 14, 2025, with zero containment and multiple evacuation orders in place. At least three structures have been destroyed.
Red flag warnings are in effect across parts of Nevada, Idaho, and Utah on July 15, 2025, due to strong winds, dry fuels, low humidity, and scattered dry thunderstorms.
