Winter Storm Warnings in Anchorage, Alaska
Anchorage sits in a sheltered bowl between the Chugach Mountains and Cook Inlet, a geography that shapes its snowfall patterns in distinct ways. Across the 13 winters analyzed from 2012 through 2024, the city averaged 83.3 inches (211.5 cm) of snowfall per year — a substantial accumulation that arrives most heavily during December, February, and January, in that order. The depth of winter here is cold and persistent, with average seasonal lows sitting around 14.3°F (−9.8°C).
Despite the impressive seasonal totals, truly intense single-day snow events are less common than many assume. Anchorage sees roughly half a heavy-snow day per year on average, and major snow days — those involving especially significant accumulation rates — occur only about once every ten years on average. Snow here tends to build steadily rather than arrive in dramatic bursts.
A Winter Storm Warning issued for Anchorage signals that forecasters expect snowfall, blowing snow, or a combination of winter hazards severe enough to make travel dangerous and potentially disrupt daily life. It is the highest-tier winter weather alert, indicating conditions that go well beyond a routine snowfall. Importantly, the specific thresholds that trigger a warning vary by region — what qualifies in Anchorage differs from criteria used in southern or lower-elevation U.S. locations.
| Years analyzed | 13 winters (2012–2024) |
|---|---|
| Avg. annual snowfall | 83.3 in (211.5 cm) |
| Snowiest months | December, February, January |
| Avg. winter overnight low | 14.3°F (−9.8°C) |
| Heavy-snow days per year | 0.5 |
Climatology figures are approximate estimates for the period shown and may differ from official local records.
Watch vs warning: a winter storm watch means a major storm is possible in Anchorage within 12–48 hours (be prepared); a winter storm warning means it is happening or about to (take action now). For full definitions, see the complete winter storm warning guide.
Anchorage winter storm FAQ
Is there a winter storm warning in Anchorage right now?
The live status at the top of this page shows whether a winter storm warning, watch, or advisory is currently in effect for Anchorage, Alaska. It checks live forecast and alert data automatically and refreshes every time the page loads.
Does Anchorage get winter storm warnings often?
Anchorage sees heavy snow routinely, and winter storm warnings are a regular feature of its winters. The frequency varies year to year with the track of major storm systems.
How much snow triggers a winter storm warning in Anchorage?
There is no single national trigger: warning criteria are set by each local National Weather Service office, ranging from a couple of inches of snow in areas where snow is rare up to 6 inches or more in snow-belt regions, and significant ice accumulation can warrant a warning on its own. Anchorage sits at the snowier end of that scale, so local criteria are correspondingly higher.
What should I do during a winter storm warning in Anchorage?
Avoid travel if possible, stay indoors and keep warm, prepare for power outages, keep an emergency kit, and check on elderly or vulnerable neighbours. Follow guidance from Alaska authorities and the National Weather Service (NWS).
Winter storm warnings in nearby locations
- Winter storm warning in Fairbanks, AK
- Winter storm warning in Juneau, AK
- Winter storm warning in Bellingham, WA
- Winter storm warning in Seattle, WA
- Winter storm warning in Tacoma, WA
- Winter storm warning in Salem, OR
See all locations, read the latest winter weather news, or the full winter storm warning guide. Definitions follow the National Weather Service (NWS) criteria; thresholds vary by region.