Hail history for Mandan, North Dakota
NOAA hail reports in and within about 5 km (3 miles) of Mandan since 1973, with preliminary reports to November 3, 2026.
Readout · Mandan
- Last hail
- Jun 29, 2026
- 2.00 in, hen egg size
- Hail days, last 5 years
- 7
- since Nov 3, 2021 · 8 reports
- Largest ever
- 4.50 in
- softball · Jul 29, 1986
81 reports on 57 days since 1973 · #4 of 208 North Dakota places
Hail map · Mandan
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Mandan is from June 29, 2026. A local roofer can check and document it at no cost.
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What the record says about Mandan
The latest hail report in and around Mandan is from June 29, 2026, 2.00 in (hen egg size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 2.50 in on July 21, 2022.
Over the 20 years 2006–2025, Mandan logged 49 reports on 31 hail days, about 2.5 reports a year. That is 6.1 times the median North Dakota town on this site (0.4 a year) and ranks #4 of 208 North Dakota cities and towns on this site for all-time reports. Mandan accounts for 19% of the 427 reports filed in Morton County.
10% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median North Dakota town on this site. The largest hail on record here is 4.50 in (softball) on July 29, 1986.
Reports were down 47% in 2016–2025 (17) compared with 2006–2015 (32). The busiest year was 2013, with 8 reports on 4 days. Hail here peaks in July (38% of reports); 33% fall between April and June.
Reports a year 2006–2025 average
- Mandan 2.5
- Morton County 13.1
- Median North Dakota town on this site 0.4
Hail days 2006–2025
- Mandan 31
- Morton County 101
- Median North Dakota town on this site 7
Share 2 in or larger of sized reports
- Mandan 10%
- Morton County 13%
- Median North Dakota town on this site 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 1 | 1 | 2 | ||||||||||
| 2024 | 4 | 4 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 29, 2026 | 1 | 2.00 in | — |
| Jul 20, 2025 | 1 | 1.00 in | — |
| Jun 27, 2025 | 1 | 1.25 in | — |
| Jul 29, 2024 | 1 | 1.00 in | — |
| Jul 27, 2024 | 2 | 1.25 in | — |
| Jul 12, 2024 | 1 | 1.00 in | — |
| Jul 21, 2022 | 1 | 2.50 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 29, 1986 | 4.50 insoftball | — | Morton | — | 19:31 local · NCEI |
| Jul 21, 2017 | 2.75 inbaseball | 0.47 E Mandan | Morton | $250K | 21:10 local · NCEI |
| Jun 9, 2001 | 2.75 inbaseball | Mandan | Morton | $113.0 million | 16:55 local · NCEI |
| Jun 25, 1991 | 2.75 inbaseball | — | Morton | — | 21:45 local · NCEI |
| Jul 21, 2022 | 2.50 intennis ball | 6.55 NW Bismarck | Burleigh | $1.2 million | 15:05 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 28 35%
- 1–2 in 45 56%
- 2 in + 8 10%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 29, 2026 | 2.00 inhen egg | 0.47 E Mandan | Morton | — | 14:32 local · NCEI |
| Jul 20, 2025 | 1.00 inquarter | 0.47 E Mandan | Morton | — | 20:00 local · NCEI |
| Jun 27, 2025 | 1.25 inhalf dollar | 8.42 NW Bismarck | Burleigh | — | 19:49 local · NCEI |
| Jul 29, 2024 | 1.00 inquarter | 1.67 SE Mandan | Morton | — | 16:46 local · NCEI |
| Jul 27, 2024 | 1.00 inquarter | 2.81 NW Mandan | Morton | — | 20:10 local · NCEI |
| Jul 27, 2024 | 1.25 inhalf dollar | 4.31 NW Mandan | Morton | — | 20:10 local · NCEI |
| Jul 12, 2024 | 1.00 inquarter | 0.84 NE Mandan | Morton | — | 22:13 local · NCEI |
| Jul 21, 2022 | 2.50 intennis ball | 6.55 NW Bismarck | Burleigh | $1.2 million | 15:05 local · NCEI |
| Jul 17, 2020 | 1.00 inquarter | 1.42 E Mandan | Morton | — | 17:30 local · NCEI |
| Aug 6, 2019 | 1.00 inquarter | 2.81 NW Mandan | Morton | — | 15:17 local · NCEI |
| Aug 3, 2018 | 0.88 innickel | 1.46 SSE Mandan | Morton | — | 23:57 local · NCEI |
| Jul 3, 2018 | 0.75 inpenny | Mandan | Morton | — | 23:04 local · NCEI |
Hail history near Mandan
Questions about hail in Mandan
How often does it hail in Mandan, North Dakota?
81 hail reports have been logged in and within about 5 km (3 miles) of Mandan since 1973. Over the 20 years 2006–2025 that averages 2.5 reports a year. That ranks #4 of 208 North Dakota places by number of reports.
When is hail season in Mandan?
Most reports come in July, August, June. July alone accounts for 38% of all reports.
What is the largest hail recorded in Mandan?
4.50 in (softball size) on July 29, 1986. 10% of reports here were 2 inches or larger.
When did it last hail in Mandan?
The most recent report in this data is from June 29, 2026 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mandan had in the last five years?
7 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was June 29, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.