Lightning TrackerFort Collins storms: live alerts, hail & tornado history
Live watches and warnings for Fort Collins, CO, the 48-hour thunderstorm outlook, and every hail, damaging-wind and tornado report within 25 miles since 2016.
Live alerts for Fort Collins, CO
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Storm outlook, next 48 hours
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Severe weather in Fort Collins by the numbers
Fort Collins gets regular severe thunderstorms: since 2016, spotters and emergency managers have filed 327 severe-weather reports within 25 miles of the city — 286 hail reports, 36 damaging-wind reports and 5 tornado reports. On average that is 8.0 days a year with at least one report.
Storm season here peaks in June, July, August, when 83% of all reports were filed.
In the last 12 months there were 4 hail reports, 5 wind reports and 1 tornado report around Fort Collins; the largest hail was 1.75″ (golf ball) on Jun 24, 2026.
Latest storm reports near Fort Collins
| Date | Report | Where |
|---|---|---|
| Sep 6, 2026 | Damaging wind | 24 mi SE · Weld Co. |
| Aug 22, 2026 | Damaging wind | 19 mi NE · Weld Co. |
| Aug 13, 2026 | Damaging wind | 14 mi E · Weld Co. |
| Jul 28, 2026 | Damaging wind | 22 mi SW · Larimer Co. |
| Jul 23, 2026 | Damaging wind | 13 mi S · Larimer Co. |
| Jul 1, 2026 | Hail 1.25″ | 20 mi SE · Weld Co. |
| Jun 24, 2026 | Hail 1.75″ | 20 mi S · Larimer Co. |
| Jun 20, 2026 | Hail 1.50″ | 21 mi E · Weld Co. |
| May 29, 2026 | Tornado | 12 mi E · Weld Co. |
| Sep 16, 2025 | Hail 0.75″ | 7 mi S |
One line per day and type — the closest report that day. Distance and direction from the city centre. The latest SPC reports are preliminary until NOAA finalises them.
Storm reports by year
Storm season in Fort Collins
All hail, wind and tornado reports within 25 miles, 2016–2026, by month.
Hail in Fort Collins
Fort Collins averages 6.7 days a year with hail reported nearby. The biggest stone on record since 2016 was 4.25 inches — about the size of a softball — reported 18 miles from the city centre on Jun 12, 2017. Hail of 1 inch (quarter size) or larger is what makes a thunderstorm severe; see the hail size chart.
Tornadoes near Fort Collins
There have been 5 tornado reports within 25 miles of Fort Collins since 2016; the strongest was rated EF0 (May 20, 2020, 23 miles from the city centre). A tornado warning means a tornado is occurring or imminent — take shelter immediately.
Storm alerts for Fort Collins on your iPhone
Lightning Tracker shows storm risk around you, live severe-weather alerts and how close the storm is — free on the App Store.
Storm trackers near Fort Collins
Questions about storms in Fort Collins
Does Fort Collins get a lot of severe storms?
Fort Collins averages 8.0 days a year with at least one hail, damaging-wind or tornado report within 25 miles, based on NOAA Storm Prediction Center reports 2016–2025.
When is storm season in Fort Collins?
Most severe-weather reports around Fort Collins come in June, July, August.
What is the biggest hail recorded near Fort Collins?
4.25 inches (softball size) on Jun 12, 2017, 18 miles from the city centre.
Have tornadoes hit near Fort Collins?
Yes — 5 tornado reports within 25 miles since 2016, the strongest rated EF0 on May 20, 2020.
How do I get storm alerts for Fort Collins?
The live panel on this page shows every active National Weather Service watch and warning for Fort Collins, CO. For alerts on your phone, Lightning Tracker for iPhone shows storm risk and warnings for your location.
How this page works: storm reports are NOAA Storm Prediction Center local storm reports (final database 2016–2025, preliminary daily reports after that) within 25 miles of Fort Collins, CO. They are reports of hail, damaging wind and tornadoes — not lightning strike counts, which no free public dataset provides at city level. Live alerts come from the National Weather Service API, the outlook from Open-Meteo forecast models. Updated Oct 27, 2026.