Hail history for Cottage Grove, Minnesota
NOAA hail reports in and within about 5 km (3 miles) of Cottage Grove since 1997, with preliminary reports to November 3, 2026.
Readout · Cottage Grove
- Last hail
- Sep 19, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.75 in
- golf ball · Jul 21, 2009
21 reports on 18 days since 1997 · #135 of 451 Minnesota places
Hail map · Cottage Grove
- 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 Cottage Grove is from September 19, 2024. A local roofer can check and document it at no cost.
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What the record says about Cottage Grove
The latest hail report in and around Cottage Grove is from September 19, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on September 19, 2024.
Over the 20 years 2006–2025, Cottage Grove logged 15 reports on 13 hail days, about 0.8 reports a year. That is 67% more than the median Minnesota town on this site (0.5 a year) and ranks #135 of 451 Minnesota cities and towns on this site for all-time reports. Cottage Grove accounts for 10% of the 203 reports filed in Washington County.
0% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Minnesota town on this site. The largest hail on record here is 1.75 in (golf ball) on July 21, 2009 near Langdon.
Reports held about level in 2016–2025 (8) compared with 2006–2015 (7). The busiest year was 2016, with 4 reports on 2 days. Hail here peaks in June (24% of reports); 48% fall between April and June.
Reports a year 2006–2025 average
- Cottage Grove 0.8
- Washington County 7.0
- Median Minnesota town on this site 0.5
Hail days 2006–2025
- Cottage Grove 13
- Washington County 53
- Median Minnesota town on this site 7
Share 2 in or larger of sized reports
- Cottage Grove 0%
- Washington County 7%
- Median Minnesota town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 19, 2024 | 1 | 1.00 in | — |
| Aug 11, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 21, 2009 | 1.75 ingolf ball | Langdon | Washington | 16:10 local · NCEI |
| Jun 28, 1997 | 1.50 inping pong ball | Cottage Grove | Washington | 09:40 local · NCEI |
| Sep 19, 2024 | 1.00 inquarter | 1.62 WSW Cottage Grove | Washington | 16:10 local · NCEI |
| Aug 11, 2023 | 1.00 inquarter | 1.62 WSW Cottage Grove | Washington | 16:51 local · NCEI |
| Aug 5, 2021 | 1.00 inquarter | 1.96 W Cottage Grove | Washington | 22:38 local · NCEI |
Size of every report
- Under 1 in 13 62%
- 1–2 in 8 38%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Sep 19, 2024 | 1.00 inquarter | 1.62 WSW Cottage Grove | Washington | 16:10 local · NCEI |
| Aug 11, 2023 | 1.00 inquarter | 1.62 WSW Cottage Grove | Washington | 16:51 local · NCEI |
| Aug 5, 2021 | 1.00 inquarter | 1.96 W Cottage Grove | Washington | 22:38 local · NCEI |
| Mar 6, 2017 | 0.75 inpenny | 2.08 ESE St Paul Park | Washington | 22:09 local · NCEI |
| Oct 17, 2016 | 0.75 inpenny | 2.55 WSW Cottage Grove | Washington | 16:42 local · NCEI |
| Sep 20, 2016 | 0.88 innickel | Cottage Grove | Washington | 23:11 local · NCEI |
| Sep 20, 2016 | 1.00 inquarter | 2.04 E St Paul Park | Washington | 23:05 local · NCEI |
| Sep 20, 2016 | 0.75 inpenny | 2.55 WSW Cottage Grove | Washington | 23:00 local · NCEI |
| Jun 29, 2015 | 0.75 inpenny | 2.55 WSW Cottage Grove | Washington | 18:10 local · NCEI |
| Apr 2, 2012 | 0.75 inpenny | 0.69 N Cottage Grove | Washington | 22:34 local · NCEI |
| Jul 24, 2009 | 1.00 inquarter | Langdon | Washington | 08:04 local · NCEI |
| Jul 21, 2009 | 1.75 ingolf ball | Langdon | Washington | 16:10 local · NCEI |
Hail history near Cottage Grove
- Woodbury 10 km · 43
- Hastings 10 km · 24
- Inver Grove Heights 12 km · 26
- South St. Paul 13 km · 14
- Rosemount 14 km · 16
- Lake Elmo 19 km · 19
- Mendota Heights 19 km · 19
- Eagan 20 km · 42
Questions about hail in Cottage Grove
How often does it hail in Cottage Grove, Minnesota?
21 hail reports have been logged in and within about 5 km (3 miles) of Cottage Grove since 1997. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #135 of 451 Minnesota places by number of reports.
When is hail season in Cottage Grove?
Most reports come in June, September, April. June alone accounts for 24% of all reports.
What is the largest hail recorded in Cottage Grove?
1.75 in (golf ball size) on July 21, 2009 near Langdon. 0% of reports here were 2 inches or larger.
When did it last hail in Cottage Grove?
The most recent report in this data is from September 19, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Cottage Grove had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was September 19, 2024.
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.