Winter Storm Warnings in Ann Arbor, Michigan
Ann Arbor sits in a part of southeastern Michigan where winter arrives with quiet persistence rather than dramatic fury. Across the 13 years analyzed from 2012 through 2024, the city averaged 30.8 inches (78.2 cm) of snowfall per year — enough to keep residents familiar with icy roads and shoveled driveways, but not the lake-effect extremes seen further north or along the Great Lakes shoreline.
February, January, and March are the snowiest months, with the heart of winter delivering the bulk of accumulation. Temperatures during winter nights average around 20.7°F (−6.3°C), cold enough that falling snow tends to stay put once it lands.
Genuine heavy-snow events are relatively rare here — the data shows roughly 0.3 heavy-snow days per year on average, meaning a significant single-storm accumulation happens less than once annually in most years.
When the National Weather Service issues a winter storm warning for Ann Arbor, it signals that hazardous conditions — typically heavy snow, blowing snow, or dangerous combinations of ice and wind — are expected imminently or already occurring. It is an urgent call to limit travel and take precautions. It's worth noting that warning thresholds differ across the country; the snowfall totals that trigger a warning here may be lower or higher than those used in other regions, reflecting what is genuinely disruptive for the local area.
| Years analyzed | 13 winters (2012–2024) |
|---|---|
| Avg. annual snowfall | 30.8 in (78.2 cm) |
| Snowiest months | February, January, March |
| Avg. winter overnight low | 20.7°F (−6.3°C) |
| Heavy-snow days per year | 0.3 |
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 Ann Arbor 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.
Ann Arbor winter storm FAQ
Is there a winter storm warning in Ann Arbor 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 Ann Arbor, Michigan. It checks live forecast and alert data automatically and refreshes every time the page loads.
Does Ann Arbor get winter storm warnings often?
Ann Arbor sees significant snowfall in most winters, and winter storm warnings are issued in a typical season. The frequency varies year to year with the track of major storm systems.
How much snow triggers a winter storm warning in Ann Arbor?
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.
What should I do during a winter storm warning in Ann Arbor?
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 Michigan authorities and the National Weather Service (NWS).
Winter storm warnings in nearby locations
- Winter storm warning in Toledo, OH
- Winter storm warning in Detroit, MI
- Winter storm warning in Flint, MI
- Winter storm warning in Lansing, MI
- Winter storm warning in Fort Wayne, IN
- Winter storm warning in Grand Rapids, MI
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.