High Wind Warning across Southcentral Alaska. This National Weather Service map shows areas in red under high wind warnings as powerful northeast winds strengthen across the region, with gusts expected to reach 60 to 80 mph in parts of the Matanuska Valley through Monday. Image courtesy: National Weather Service Anchorage
By Gina Hill | Alaska Headline Living | December 2025
Updated: 12:28 PM AKST
The National Weather Service has issued a High Wind Warning for the Lower Matanuska Valley, warning residents to prepare for potentially damaging winds, extreme wind chills, and power outages beginning Sunday at noon and lasting through noon Monday.
According to the National Weather Service in Anchorage, northeast winds of 35 to 50 mph are expected, with powerful gusts ranging from 60 to 80 mph.
What to Expect Today
Winds will gradually increase through Sunday morning, with hazardous conditions developing by midday. While gusty conditions may be noticeable earlier in the day, the strongest and most dangerous winds are not expected until later Sunday afternoon.
Forecasters say the most intense winds are expected between 3 p.m. Sunday and 3 a.m. Monday, when gusts could reach up to 80 mph.
In addition to the wind, dangerously cold wind chill values of 10 below to 25 below zero are expected, creating a serious risk of frostbite on exposed skin in as little as 30 minutes.
What to Expect
- Location: Matanuska Valley, including Knik-Fairview (99623)
- Timing: Noon Sunday to Noon Monday AKST
- Peak Danger Window: 3 p.m. Sunday to 3 a.m. Monday
- Wind Gusts: Up to 80 mph
Safety & Preparedness
The National Weather Service urges residents to:
- Secure loose outdoor items
- Prepare for extended power outages
- Limit travel if possible and use caution if driving is necessary
- Dress in layers and avoid prolonged exposure to the cold and wind
This warning remains in effect as forecasters continue to monitor conditions. Residents are encouraged to stay alert for additional updates and heed all official advisories.
Source: National Weather Service, Anchorage (weather.gov)
