Hail in Fort Collins and Greeley since 2016
The Storm Prediction Center logged 523 hail reports in Larimer and Weld counties from January 1, 2016 to September 27, 2026, on 132 different days. The largest was 4.25 inches, at Pierce on June 12, 2017. The busiest day was July 29, 2016, with 27 reports.
Hail reports by year
2019 had the most reports (97). The 2026 count runs through September 27, 2026. Report counts rise and fall with how many people were watching and reporting, not only with how much hail fell.
Which months bring hail to Fort Collins and Greeley
July, June and August account for 76% of the reports.
How big the hail was
| Reported size | For scale, the NWS compares it to | Reports | Share |
|---|---|---|---|
| 1.00 to 1.74 in | quarter, half dollar, ping pong ball | 387 | 74.0% |
| 1.75 to 2.49 in | golf ball, hen egg | 111 | 21.2% |
| 2.50 to 3.99 in | tennis ball, baseball, teacup | 24 | 4.6% |
| 4.00 in and up | softball or larger | 1 | 0.2% |
The largest hail reported
| Date | Size | Place | NWS comment |
|---|---|---|---|
| June 12, 2017 4:00 pm MDT | 4.25 in | Pierce, Weld Co. | (BOU) |
| May 20, 2021 7:37 pm MDT | 3.25 in | 9 N Stoneham, Weld Co. | (BOU) |
| July 13, 2023 4:56 pm MDT | 3.25 in | 4 WNW Stoneham, Weld Co. | Delayed report. Photo provided by a trained spotter showed hail as large as 3 to 3.5 inches in diameter... and this photo was taken roughly 2 hours after the hail fell. (BOU) |
| June 12, 2017 4:35 pm MDT | 3.00 in | 2 S Hereford, Weld Co. | (BOU) |
| May 26, 2019 6:35 pm MDT | 3.00 in | 3 W New Raymer, Weld Co. | (BOU) |
| September 12, 2019 6:40 pm MDT | 3.00 in | Stoneham, Weld Co. | (BOU) |
| May 20, 2021 7:29 pm MDT | 3.00 in | Stoneham, Weld Co. | (BOU) |
| June 12, 2017 3:45 pm MDT | 2.75 in | 9 N Windsor, Weld Co. | (BOU) |
| June 12, 2017 4:48 pm MDT | 2.75 in | Hereford, Weld Co. | FUNNEL CLOUD (BOU) |
| August 6, 2018 4:30 pm MDT | 2.75 in | 5 SSW Briggsdale, Weld Co. | (BOU) |
The days with the most hail reports
| Date | Reports | Largest | Counties with reports |
|---|---|---|---|
| July 29, 2016 | 27 | 2.50 in | Larimer and Weld |
| June 19, 2018 | 22 | 2.00 in | Larimer and Weld |
| August 4, 2020 | 22 | 2.00 in | Larimer and Weld |
| June 12, 2017 | 21 | 4.25 in | Larimer and Weld |
| July 27, 2022 | 20 | 2.50 in | Larimer and Weld |
| July 5, 2019 | 19 | 2.00 in | Larimer and Weld |
| July 29, 2018 | 18 | 2.50 in | Larimer and Weld |
| September 11, 2019 | 18 | 2.75 in | Weld |
| June 17, 2025 | 18 | 2.75 in | Larimer and Weld |
| June 18, 2018 | 13 | 2.50 in | Weld |
Storm dates in Fort Collins and Greeley with their own page
Every local date since January 1, 2021 with 5 or more spotter hail reports in the metro. Each page lists the reports and what radar recorded.
2025
- June 17, 2025 18 reports, up to 2.75 in
- July 24, 2025 6 reports, up to 1.25 in
2024
- May 28, 2024 10 reports, up to 2.00 in
- July 20, 2024 9 reports, up to 1.50 in
2023
- May 9, 2023 9 reports, up to 2.00 in
- May 27, 2023 5 reports, up to 1.25 in
- May 28, 2023 6 reports, up to 1.50 in
- July 13, 2023 5 reports, up to 3.25 in
- August 3, 2023 8 reports, up to 1.75 in
2022
- June 16, 2022 5 reports, up to 1.50 in
- July 27, 2022 20 reports, up to 2.50 in
2021
- May 20, 2021 5 reports, up to 3.25 in
- June 13, 2021 6 reports, up to 1.50 in
Check your own address in Fort Collins and Greeley
Enter the address and the date of the storm. The free check counts NOAA radar hail signatures within 1, 3 and 5 miles and finds the nearest spotter report.
Counts are Storm Prediction Center hail reports from January 1, 2016 to September 27, 2026 whose coordinates fall inside Larimer and Weld counties. The daily logs are preliminary, and a storm nobody reported is missing from them. Radar signatures, which do not depend on anyone watching, appear on each storm-date page and in the address report. How these pages are built.