Hail history for Fort Collins, Colorado
NOAA hail reports in and within about 5 km (3 miles) of Fort Collins since 1961, with preliminary reports to November 3, 2026.
Readout · Fort Collins
- Last hail
- Sep 16, 2025
- 0.75 in, penny size
- Hail days, last 5 years
- 7
- since Nov 3, 2021 · 13 reports
- Largest ever
- 4.50 in
- softball · Jul 30, 1979
270 reports on 103 days since 1961 · #3 of 183 Colorado places
Hail map · Fort Collins
- 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 Fort Collins is from September 16, 2025. A local roofer can check and document it at no cost.
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What the record says about Fort Collins
The latest hail report in and around Fort Collins is from September 16, 2025, 0.75 in (penny size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 1.25 in on August 27, 2023.
Over the 20 years 2006–2025, Fort Collins logged 153 reports on 41 hail days, about 7.7 reports a year. That is 9.6 times the median Colorado town on this site (0.8 a year) and ranks #3 of 183 Colorado cities and towns on this site for all-time reports. Fort Collins accounts for 43% of the 621 reports filed in Larimer County.
4% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Colorado town on this site. The largest hail on record here is 4.50 in (softball) on July 30, 1979.
Reports were down 41% in 2016–2025 (57) compared with 2006–2015 (96). The busiest year was 2014, with 27 reports on 3 days. Hail here peaks in June (42% of reports); 63% fall between April and June.
Reports a year 2006–2025 average
- Fort Collins 7.7
- Larimer County 17.1
- Median Colorado town on this site 0.8
Hail days 2006–2025
- Fort Collins 41
- Larimer County 94
- Median Colorado town on this site 11
Share 2 in or larger of sized reports
- Fort Collins 4%
- Larimer County 5%
- Median Colorado town on this site 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 3 | 1 | 5 | 9 | |||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 3 | 4 | ||||||||||
| 2019 | 3 | 11 | 14 | ||||||||||
| 2018 | 8 | 6 | 4 | 18 | |||||||||
| 2017 | 3 | 5 | 8 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 16, 2025 | 1 | 0.75 in | — |
| Jul 20, 2024 | 2 | 1.00 in | — |
| Aug 27, 2023 | 4 | 1.25 in | — |
| Aug 3, 2023 | 1 | 1.00 in | — |
| Jul 31, 2023 | 1 | 1.25 in | — |
| Jun 21, 2023 | 3 | 1.00 in | — |
| Jul 27, 2022 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 30, 1979 | 4.50 insoftball | — | Larimer | 16:50 local · NCEI |
| Jul 5, 1979 | 2.75 inbaseball | — | Larimer | 20:05 local · NCEI |
| Jun 19, 1961 | 2.75 inbaseball | — | Larimer | 17:00 local · NCEI |
| Jun 24, 2014 | 2.50 intennis ball | 1.26 WNW Harmony | Larimer | 21:50 local · NCEI |
| Apr 29, 2000 | 2.25 inhen egg | Ft Collins | Larimer | 15:40 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 90 33%
- 1–2 in 169 63%
- 2 in + 11 4%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Sep 16, 2025 | 0.75 inpenny | 1.72 WNW Harmony | Larimer | 14:07 local · NCEI |
| Jul 20, 2024 | 0.75 inpenny | 2.14 SSE Drakes | Larimer | 18:13 local · NCEI |
| Jul 20, 2024 | 1.00 inquarter | 1.72 ESE Ft Collins | Larimer | 17:53 local · NCEI |
| Aug 27, 2023 | 1.00 inquarter | 2.62 W Drakes | Larimer | 14:06 local · NCEI |
| Aug 27, 2023 | 0.88 innickel | 2.21 WNW Drakes | Larimer | 14:05 local · NCEI |
| Aug 27, 2023 | 1.25 inhalf dollar | 2.95 SW Drakes | Larimer | 14:00 local · NCEI |
| Aug 27, 2023 | 1.00 inquarter | 1.05 W Ft Collins | Larimer | 14:00 local · NCEI |
| Aug 3, 2023 | 1.00 inquarter | 2.32 NNW Harmony | Larimer | 16:55 local · NCEI |
| Jul 31, 2023 | 1.25 inhalf dollar | 2.07 N Ft Collins | Larimer | 19:00 local · NCEI |
| Jun 21, 2023 | 1.00 inquarter | 4.04 NNE Ft Collins | Larimer | 18:41 local · NCEI |
| Jun 21, 2023 | 1.00 inquarter | 2.32 NNE Ft Collins | Larimer | 18:40 local · NCEI |
| Jun 21, 2023 | 1.00 inquarter | 0.52 E Ft Collins | Larimer | 18:36 local · NCEI |
Hail history near Fort Collins
Questions about hail in Fort Collins
How often does it hail in Fort Collins, Colorado?
270 hail reports have been logged in and within about 5 km (3 miles) of Fort Collins since 1961. Over the 20 years 2006–2025 that averages 7.7 reports a year. That ranks #3 of 183 Colorado places by number of reports.
When is hail season in Fort Collins?
Most reports come in June, July, May. June alone accounts for 42% of all reports.
What is the largest hail recorded in Fort Collins?
4.50 in (softball size) on July 30, 1979. 4% of reports here were 2 inches or larger.
When did it last hail in Fort Collins?
The most recent report in this data is from September 16, 2025 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Fort Collins had in the last five years?
7 separate days with hail reports since November 3, 2021, adding up to 13 reports. The most recent was September 16, 2025.
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.