Hail history in Fort Collins, CO
On average, NOAA recorded hail within 15 miles of the center of Fort Collins on 3.2 days a year from 2016 to 2025, 3.0 of them with hail 1 inch or larger. NOAA recorded hail within 15 miles of the center of Fort Collins on 58 days since 2010. The largest hail reported was 2.75 in, in 2017. 52 of those days had hail of 1 inch or larger. June has the most hail days, 24 since 2010. The most recent was September 16, 2025. NOAA also recorded high wind on 15 days, with gusts up to 81 mph.
Ranks #23 of 200 US cities for days with hail 1 inch or larger, 2016 to 2025.
- Hail days since 2010
- 58
- Largest hail
- 2.75 in
- Highest gust
- 81 mph
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
58 hail days within 15 miles since 2010, largest 2.75 in
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
Hail days by year
Bar chart of hail days per year, 2010 to 2026. 58 hail days in total; the most was 7 in 2011.
Hail days by month
Hail days by month since 2010: Jan 0, Feb 0, Mar 0, Apr 0, May 9, Jun 24, Jul 17, Aug 7, Sep 1, Oct 0, Nov 0, Dec 0.
Most recent hail days
| Date | Largest hail | Nearest report |
|---|---|---|
| Sep 16, 2025 | 0.75 in | 4.8 mi |
| Jun 17, 2025 | 1.0 in | 6.9 mi |
| Jun 16, 2025 | 2.5 in | 8.7 mi |
| Jul 20, 2024 | 1.5 in | 1.7 mi |
| Aug 27, 2023 | 1.25 in | 2.9 mi |
| Aug 5, 2023 | 1.75 in | 8.8 mi |
| Aug 3, 2023 | 1.0 in | 3.3 mi |
| Jul 31, 2023 | 1.25 in | 4.3 mi |
| Jun 21, 2023 | 1.0 in | 2.2 mi |
| May 9, 2023 | 1.0 in | 4.6 mi |
About this data
- Distances are from the center of Fort Collins, not from any one property. Look up a street address below for a single building.
- Reports come from trained spotters and the public, so they cluster near towns and roads.
- No report does not mean no hail. Hail can fall where no one is there to report it.
- This is not a damage or insurance assessment.
15 high-wind days within 15 miles since 2010, strongest gust 81 mph
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
Most recent high-wind days
| Date | Highest gust | Nearest report |
|---|---|---|
| Aug 13, 2026 | 71 mph | 12.9 mi |
| Jul 23, 2026 | 63 mph | 7.4 mi |
| Jul 20, 2024 | 60 mph | 13.9 mi |
| May 31, 2023 | 70 mph | 10.7 mi |
| Jul 27, 2022 | 60 mph | 6.2 mi |
| Jun 6, 2020 | 58 mph | 7.2 mi |
| Aug 4, 2018 | 58 mph | 9.0 mi |
| Aug 10, 2017 | 64 mph | 5.3 mi |
| Jun 23, 2016 | 81 mph | 8.4 mi |
| Aug 29, 2014 | 60 mph | 12.4 mi |
About this data
- Distances are from the center of Fort Collins, not from any one property. Look up a street address below for a single building.
- Reports come from trained spotters and the public, so they cluster near towns and roads.
- No report does not mean no hail. Hail can fall where no one is there to report it.
- Wind speed is the highest reported gust; some reports have no speed.
- This is not a damage or insurance assessment.
Gusts, tornadoes and hurricanes in Fort Collins
Estimated peak gusts
20 days since October 1, 2021 had an estimated peak gust of 58 mph or more at Fort Collins.
| Day | Estimated peak gust |
|---|---|
| Nov 2, 2026 | 50 mph or more |
| Apr 16, 2026 | 50 mph or more |
| Apr 2, 2026 | 58 mph or more |
| Mar 14, 2026 | 50 mph or more |
| Mar 12, 2026 | 80 mph or more |
| Feb 25, 2026 | 50 mph or more |
| Feb 24, 2026 | 58 mph or more |
| Jan 17, 2026 | 50 mph or more |
Show all 57Show fewer
| Day | Estimated peak gust |
|---|---|
| Jan 16, 2026 | 58 mph or more |
| Jan 15, 2026 | 50 mph or more |
| Dec 27, 2025 | 50 mph or more |
| Dec 25, 2025 | 58 mph or more |
| Dec 19, 2025 | 58 mph or more |
| Dec 17, 2025 | 58 mph or more |
| Dec 9, 2025 | 58 mph or more |
| Nov 28, 2025 | 50 mph or more |
| Nov 6, 2025 | 50 mph or more |
| Oct 20, 2025 | 50 mph or more |
| Oct 19, 2025 | 50 mph or more |
| Aug 2, 2025 | 50 mph or more |
| Mar 17, 2025 | 58 mph or more |
| Mar 14, 2025 | 50 mph or more |
| Feb 25, 2025 | 50 mph or more |
| Feb 7, 2025 | 50 mph or more |
| Jan 21, 2025 | 50 mph or more |
| Dec 30, 2024 | 58 mph or more |
| Dec 18, 2024 | 58 mph or more |
| Dec 8, 2024 | 50 mph or more |
| Nov 18, 2024 | 50 mph or more |
| Oct 24, 2024 | 50 mph or more |
| Apr 7, 2024 | 50 mph or more |
| Apr 6, 2024 | 70 mph or more |
| Mar 3, 2024 | 50 mph or more |
| Jan 10, 2024 | 50 mph or more |
| Dec 26, 2023 | 50 mph or more |
| Dec 25, 2023 | 50 mph or more |
| Jun 27, 2023 | 50 mph or more |
| Mar 31, 2023 | 50 mph or more |
| Dec 16, 2022 | 50 mph or more |
| Dec 14, 2022 | 50 mph or more |
| Dec 13, 2022 | 50 mph or more |
| Dec 2, 2022 | 58 mph or more |
| Jun 13, 2022 | 50 mph or more |
| May 27, 2022 | 50 mph or more |
| May 7, 2022 | 50 mph or more |
| Apr 29, 2022 | 58 mph or more |
| Apr 23, 2022 | 50 mph or more |
| Apr 12, 2022 | 58 mph or more |
| Apr 6, 2022 | 58 mph or more |
| Apr 5, 2022 | 58 mph or more |
| Mar 30, 2022 | 50 mph or more |
| Mar 24, 2022 | 50 mph or more |
| Mar 23, 2022 | 50 mph or more |
| Jan 4, 2022 | 50 mph or more |
| Dec 21, 2021 | 70 mph or more |
| Dec 15, 2021 | 58 mph or more |
| Dec 5, 2021 | 58 mph or more |
Estimates: the highest gust of each storm day in NOAA’s hourly 2.5 km wind analysis (URMA), which fills in between weather stations. Analyses like this smooth out short thunderstorm gusts, so they are best for widespread wind (hurricanes, winter storms, high wind days); for thunderstorm wind, NOAA’s wind reports are the better record. Not a measurement at any building.
Tornadoes within 10 miles
NOAA recorded 14 tornadoes whose path came within 10 miles of Fort Collins since 1950; the strongest was rated EF3.
| Day | Rating | Path length | Closest |
|---|---|---|---|
| May 22, 2008 | EF3 | 38.69 miles | 3.7 miles |
| May 9, 2002 | EF0 | 0.1 miles | 2.3 miles |
| Jul 14, 1998 | EF0 | 0.1 miles | 9.4 miles |
| May 6, 1995 | EF0 | 0.1 miles | 8.4 miles |
| Jul 8, 1990 | EF0 | 3 miles | 7.8 miles |
| Jun 15, 1988 | EF1 | 1 miles | 8.6 miles |
| Jul 7, 1983 | EF1 | 0.2 miles | 8.9 miles |
| Jun 25, 1982 | EF1 | 1 miles | 2.3 miles |
Show all 14Show fewer
| Day | Rating | Path length | Closest |
|---|---|---|---|
| Jul 22, 1979 | EF0 | 1 miles | 6.2 miles |
| Jun 4, 1976 | EF2 | 0.5 miles | 2.3 miles |
| Jun 23, 1965 | EF0 | 0.1 miles | 6.1 miles |
| Jul 7, 1963 | EF1 | 0.5 miles | 3.8 miles |
| May 30, 1957 | EF2 | 1.3 miles | 7.8 miles |
| May 30, 1957 | EF2 | 9.1 miles | 8.9 miles |
Source: NOAA/NWS Storm Prediction Center. Ratings before 2007 are on the original Fujita scale.
Hurricanes and tropical storms
No hurricane or tropical storm in NOAA's records brought modeled tropical-storm-force winds (39 mph) to Fort Collins.
Modeled from NOAA’s best tracks for open, flat ground; not measurements. How we model hurricane winds
61 radar hail days within 15 miles since 2020, largest 3.5 in or more
Source: NOAA MRMS radar (MESH), from October 14, 2020. Estimates of the largest hail in each 1 km cell, not measurements.
38 days with radar hail 1 inch or larger, 8 at 2 inches or larger, within 15 miles of Fort Collins’s center.
Biggest radar hail days
- 0.75 in+
- 1.0 in+
- 1.5 in+
- 2.0 in+
- 2.5 in+
- 3.0 in+
Most recent radar hail days
| Date | Largest radar estimate |
|---|---|
| Aug 15, 2026 | 0.75 in or more |
| Aug 13, 2026 | 2.75 in or more |
| Jul 23, 2026 | 1.0 in or more |
| Jul 21, 2026 | 1.0 in or more |
| Jul 1, 2026 | 1.25 in or more |
| Jun 24, 2026 | 0.75 in or more |
Storms in Fort Collins
Fort Collins is one of the Colorado stations where hail comes most often in May rather than June, averaging 1.4 hail days in May and 1.2 in June from 1979 to 1993, according to the Colorado Climate Center.1
Notable storms
- July 27, 2022Hail up to 2.5 inches across fell near Black Hollow Reservoir east of Fort Collins, and hail from the storms damaged homes and vehicles, per NOAA's storm records.2
- July 5, 2019Golf ball-size hail, 1.75 inches, was reported 3 miles southeast of Fort Collins that evening, per NOAA's Storm Prediction Center. NOAA puts damage from the July 4 to 5, 2019 hailstorms across the Denver and Fort Collins areas at about $1.2 billion adjusted for inflation.3,4,5
- June 19, 2018NOAA's storm records list hail up to 1.75 inches in Fort Collins and near Laporte that afternoon. NOAA counts the June 18 to 19, 2018 hailstorms, with golf ball to baseball-size hail from northern Denver to Boulder and Fort Collins, as a billion-dollar disaster with about $2.8 billion in damage adjusted for inflation.6,7,4,5
- June 24, 2014Hail up to 2 inches across fell in Fort Collins about 10 p.m., per NOAA's storm records. CBS Colorado reported hail damage to homes, businesses and cars in the city, with broken windows, dented cars and torn roofing and siding in one neighborhood.8,9
- July 28, 1997More than 8 inches of rain fell on southwest Fort Collins that evening, and a 10 to 15 foot wall of water from Spring Creek swept through two mobile home parks. The flood killed 5 people, injured 40, destroyed 108 homes and damaged 481, per NOAA's storm records, which list $190 million in property damage.10,11
- July 30, 1979A 40-minute hailstorm hit Fort Collins with hail up to softball size and injured about 25 people, per the National Weather Service. A 3-month-old girl struck by a hailstone later died, and the Coloradoan reported damage estimated at $30 million.11,12
Warnings and alerts
Fort Collins gets its warnings from the National Weather Service office in Denver/Boulder.13 NOCO Alert sends emergency alerts for Fort Collins and the rest of Larimer County to residents who register, and visitors can text NOCOAlert to 888777.14
Sources
- 1. Colorado Climate Center (CoCoRaHS archive): Hail, Hail, Hail! The Summertime Hazard of Eastern Colorado
- 2. NOAA NCEI Storm Events Database: Hail, Weld County, July 27, 2022
- 3. NOAA Storm Prediction Center: Storm Reports for July 5, 2019
- 4. NOAA NCEI: Billion-Dollar Weather and Climate Disasters: Events (CSV)
- 5. Denver7: At least 75 $1B+ climate disasters have impacted Colorado in the past 44 years, NOAA says
- 6. NOAA NCEI Storm Events Database: Hail, Larimer County, June 19, 2018
- 7. NOAA NCEI Storm Events Database: Hail, Larimer County, June 19, 2018 (near Laporte)
- 8. NOAA NCEI Storm Events Database: Hail, Larimer County, June 24, 2014
- 9. CBS Colorado: Repair Efforts Continue In Fort Collins After Hailstorm
- 10. NOAA NCEI Storm Events Database: Flash Flood, Larimer County, July 28, 1997
- 11. Coloradoan: Opinion: The 'magic window' of summer weather brought lesser-known 1979 storm
- 12. NWS Aberdeen: This Day in Weather History: July 30th
- 13. National Weather Service: Forecast for Fort Collins, CO
- 14. NOCO Alert: Fort Collins
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Questions about hail in Fort Collins
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
- How often does it hail in Fort Collins?
- NOAA recorded hail within 15 miles of the center of Fort Collins on 3.2 days a year on average from 2016 to 2025, 3.0 of them with hail 1 inch or larger. Since 2010 it recorded 58 hail days.
- When is hail season in Fort Collins?
- June has the most hail days within 15 miles of the center of Fort Collins, 24 since 2010, then July (17) and May (9).
- What is the largest hail recorded in Fort Collins?
- 2.75 in, in 2017: the largest hail NOAA recorded within 15 miles of the center of Fort Collins since 2010.
- When did it last hail in Fort Collins?
- NOAA's most recent hail report within 15 miles of the center of Fort Collins is from September 16, 2025, with hail up to 0.75 in reported 4.8 miles from the center. Data through November 1, 2026.