North Dakota was hit as recently as 2026-07-26, 5 days ago. NOAA's Storm Prediction Center has logged 539 separate hail days in North Dakota since 2010, across 3,523 individual storm reports. 141 of those days brought hail 2 inches or larger, and the largest stone on record is 5 inches on 2010-07-13 near Fort Yates, Sioux.
North Dakota's Red River valley (Fargo, Grand Forks) and the Bismarck area are struck by large hail through the short, intense storm season. 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 North Dakota. Radar-indicated, not a guarantee of damage.
A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls North Dakota 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 ->North Dakota averages 32 reported hail days a year across 17 years of NOAA archive, about 8 of them carrying hail 2″ or larger -- the size that routinely totals roofs. Major metros watched here: Fargo, Bismarck, Grand Forks.
North Dakota's busiest hail month is July, with 180 of its 539 hail days on record. June through August holds 433 of them, 80% of the record.
| Month | Hail days since 2010 |
|---|---|
| February | 1 |
| March | 2 |
| April | 5 |
| May | 54 |
| June | 148 |
| July | 180 |
| August | 105 |
| September | 42 |
| October | 2 |
| County | Hail days since 2010 | Largest stone |
|---|---|---|
| Morton | 64 | 3.00″ |
| Cass | 60 | 2.50″ |
| Grant | 56 | 4.25″ |
| Ward | 55 | 2.75″ |
| Burleigh | 54 | 4.50″ |
| Barnes | 54 | 2.75″ |
53 North Dakota 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.
Morton County · Cass County · Grant County · Ward County · Barnes County · Burleigh County · Stark County · Williams County · Hettinger County · Mountrail County · Grand Forks County · McKenzie County · Stutsman County · Adams County · Dunn County · McLean County · Benson County · Kidder County · Richland County · Bowman County · Eddy County · Pembina County · Bottineau County · McHenry County · Mercer County · Ramsey County · Sioux County · Wells County · McIntosh County · Renville County · Dickey County · Emmons County · Towner County · Walsh County · LaMoure County · Cavalier County · Burke County · Divide County · Griggs County · Ransom County · Sargent County · Traill County · Logan County · Oliver County · Steele County · Billings County · Golden Valley County · Nelson County · Pierce County · Slope County · Foster County · Rolette County · Sheridan County
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-26 | 1.00″ | 1 |
| 2026-07-24 | 3.00″ | 4 |
| 2026-07-19 | 1.75″ | 7 |
| 2026-07-16 | 1.00″ | 1 |
| 2026-07-09 | 2.50″ | 12 |
| 2026-07-05 | 1.25″ | 3 |
| 2026-07-03 | 1.50″ | 1 |
| 2026-07-02 | 3.00″ | 4 |
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, North Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.