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December 17–18, 2025 — A powerful low-pressure system developing east of the Canadian Rockies is prompting High Wind Warnings across the western and central United States. Forecasts warn that gusts could exceed 130 km/h (80 mph) in mountain passes, with widespread power outages, tree damage, and dangerous travel conditions expected.
Montana: Gusts along the Rocky Mountain Front and plains may reach 160 km/h (100 mph), echoing the January 2021 windstorm.Wyoming: West winds of 65–90 km/h (40–55 mph), with gusts up to 145 km/h (90 mph), impacting the Laramie Range, Snowy Range foothills, and nearby basins.Colorado: Front Range and mountain areas facing winds 50–80 km/h (30–50 mph), gusts possibly 145 km/h (90 mph).Northern Plains & Dakotas: High winds combined with light snow could reduce visibility, creating whiteout conditions.
Other affected states include Utah, Nebraska, and portions of the Pacific Northwest, where winds are expected to reach the 90–99th percentile of historical records, according to the NWS.
Drivers, particularly of high-profile vehicles, should exercise caution along I-25, I-80, and other major routes. Residents are urged to:
Secure outdoor objectsLimit travel during warning periodsStay in lower levels during peak winds
Power outages and fallen trees are likely in exposed areas, emphasizing the need for preparation and vigilance.
As the system advances toward the Ohio and Tennessee Valleys, instability and Gulf moisture may fuel severe thunderstorms with damaging winds. In the Northeast, melting snow and rainfall may trigger localized flooding by Friday.
This high-wind event is expected to impact millions of residents, highlighting the importance of heeding NWS warnings and taking precautions to protect life and property.
