Michigan was hit as recently as 2026-07-27, 4 days ago. NOAA's Storm Prediction Center has logged 323 separate hail days in Michigan since 2010, across 1,516 individual storm reports. 53 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.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->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.
Michigan's busiest hail month is June, with 68 of its 323 hail days on record. May through September holds 266 of them, 82% of the record.
| Month | Hail days since 2010 |
|---|---|
| January | 1 |
| February | 5 |
| March | 13 |
| April | 28 |
| May | 47 |
| June | 68 |
| July | 66 |
| August | 54 |
| September | 31 |
| October | 8 |
| November | 2 |
| County | Hail days since 2010 | Largest stone |
|---|---|---|
| Marquette | 29 | 2.75″ |
| Oakland | 28 | 2.50″ |
| Kent | 24 | 2.00″ |
| Washtenaw | 24 | 2.00″ |
| Macomb | 24 | 1.75″ |
| Berrien | 21 | 2.00″ |
22 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 · Kent County · Macomb County · Washtenaw County · Berrien County · Wayne County · Grand Traverse County · Kalamazoo County · Ingham County · Bay County · Genesee County · Monroe County · Alger County · Cass County · Menominee County · St. Joseph County · Allegan County · Houghton County · Livingston County · Montcalm County · St. Clair County
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-27 | 1.00″ | 1 |
| 2026-07-26 | 1.00″ | 2 |
| 2026-07-20 | 1.00″ | 1 |
| 2026-07-15 | 1.00″ | 1 |
| 2026-07-12 | 1.75″ | 2 |
| 2026-07-03 | 1.00″ | 1 |
| 2026-06-29 | 1.75″ | 2 |
| 2026-06-25 | 1.75″ | 6 |
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.
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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.