Michigan Hail Map & History
Michigan was hit as recently as 2026-09-03, 11 days ago. NOAA's Storm Prediction Center has logged 329 separate hail days in Michigan since 2010, across 1,553 individual storm reports. 56 of those days brought hail 2 inches or larger, and the largest stone on record is 4.25 inches on 2015-08-02 near Clear Lake, Ogemaw.
Michigan's southern tier -- Detroit and Grand Rapids -- absorbs late-spring and summer hail from plains-fed storms. Pick a date below to see the NOAA radar swath and reports, or check a specific address.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Michigan. Radar-indicated, not a guarantee of damage.
A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Michigan addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->Hail history in Michigan
Michigan averages 19 reported hail days a year across 17 years of NOAA archive, about 3 of them carrying hail 2″ or larger -- the size that routinely totals roofs. Major metros watched here: Detroit, Grand Rapids, Lansing, Flint.
When it hails in Michigan
Michigan's busiest hail month is June, with 71 of its 329 hail days on record. May through September holds 272 of them, 83% of the record.
| Month | Hail days since 2010 |
|---|---|
| January | 1 |
| February | 5 |
| March | 13 |
| April | 28 |
| May | 47 |
| June | 71 |
| July | 66 |
| August | 55 |
| September | 33 |
| October | 8 |
| November | 2 |
Top Michigan counties by hail frequency
| County | Hail days since 2010 | Largest stone |
|---|---|---|
| Marquette | 31 | 3.25″ |
| Oakland | 28 | 2.50″ |
| Washtenaw | 25 | 2.00″ |
| Kent | 24 | 2.00″ |
| Macomb | 24 | 1.75″ |
| Berrien | 22 | 2.00″ |
Michigan hail history by county
23 Michigan counties have at least 13 NOAA hail days on record since 2010 -- enough archive signal for a page of their own. Ordered by hail days.
Marquette County · Oakland County · Washtenaw County · Kent County · Macomb County · Berrien County · Wayne County · Grand Traverse County · Ingham County · Kalamazoo County · Monroe County · Alger County · Bay County · Genesee County · Menominee County · Cass County · St. Clair County · St. Joseph County · Allegan County · Houghton County · Lenawee County · Livingston County · Montcalm County
Recent Michigan hail days
| Date | Max hail | Reports |
|---|---|---|
| 2026-09-03 | 1.00″ | 1 |
| 2026-09-02 | 2.00″ | 5 |
| 2026-08-10 | 1.75″ | 4 |
| 2026-07-27 | 2.00″ | 6 |
| 2026-07-26 | 1.00″ | 2 |
| 2026-07-20 | 3.25″ | 16 |
| 2026-07-15 | 1.00″ | 1 |
| 2026-07-12 | 1.75″ | 2 |
How to read the Michigan map
The colored swath is NOAA's MRMS radar estimate of the largest hail in each ~1 km cell; the dots are individual SPC ground reports. Yellow is around an inch, red is 1.5 to 2″, and purple is 2″ and up -- see how hail size maps to roof damage. Click any spot on the map to see the hail history at that point, or look up a full street address on the hail history by address tool. Today's nationwide activity is on today's hail report.
Nearby states
New York · West Virginia · Texas · Kansas · Nebraska · South Dakota
FAQ
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Michigan only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.