Is lightning near Denver right now?
~42 minearest strike to Denver→ Holding steady
10 strikes within 100 mi in the last hour.
Free push alert when lightning approaches Denver. Your exact location and alerts live in the app.
Thunderstorm season in Denver
Denver records roughly 41 thunderstorm days in an average year — roughly 1.6× the national average of 25. Among the cities StrikeCast tracks, Denver is the 2nd-most active in its state. The busiest stretch runs May–August, at the height of Colorado's storm season.
- Thunderstorm days/yr
- 41
- Peak season
- May–August
- vs US average
- 1.6×
- Rank in CO
- 2nd
- Metro population
- ~715.5K
Source: NOAA / WMO climate normals — mean annual days with thunderstorms (1961–2010). City rank reflects the US cities StrikeCast tracks.
Where Denver sits
Perched around 5,246 ft and roughly 745 mi inland, Denver gets terrain-driven afternoon convection — storms build over high ground and move quickly.
NOAA logged 12 notable lightning events within 50 miles of Denver since 2015 — including 25 injuries and 3 deaths.
- Elevation
- 5,246 ft
- Distance to coast
- ~745 mi
- Terrain
- High elevation
Source: Elevation: open-meteo.com · Coastline: Natural Earth · Lightning history: NOAA NCEI Storm Events.
Lightning safety in Denver
The safest call in Denverisn’t how many storms a year it gets — it’s how close the nearest strike is right now. The 30-30 rule is the baseline: indoors within 30 seconds of thunder, back out only 30 minutes after the last. StrikeCast shows that distance and whether the storm is closing in, so you can act early.
StrikeCast app
Distance, trend & alerts — in your pocket.
GPS-precise distance to the nearest strike, live approaching/moving-away trend, and a push alert before the storm reaches you — no need to keep the app open.
Your exact location stays on your device. Never shared. Never tracked.
Frequently asked
How far away is the nearest lightning to Denver?
StrikeCast shows the live distance in miles to the nearest strike near Denver, updated continuously from NOAA GOES-GLM satellite data, plus whether it is approaching or moving away.
Is it safe to be outside in Denver right now?
If you can hear thunder, you are close enough to be struck. Follow the 30-30 rule: shelter when thunder follows lightning by 30 seconds or less, and wait 30 minutes after the last thunder. StrikeCast's distance and trend help you decide before the storm arrives.
When is thunderstorm season in Denver?
Denver sees the most lightning May–August, averaging about 41 thunderstorm days a year.
Where does Denver rank for lightning?
Among the US cities StrikeCast tracks, Denver is the 2nd-most lightning-active in CO, at about 41 thunderstorm days a year.
Can I get lightning alerts for Denver?
Yes. Get the free StrikeCast app, save Denver, and you will get a push alert when lightning approaches — no need to keep the app open.