By Sam Collentine, Meteorologist Updated 28 days ago June 24, 2024

NEW: Lightning Risk Map

lightning risk map

View the location of recent lightning strikes and the probability that lightning will strike in the next 60 minutes. This "Lightning Risk" map is available now for all of the United States.

This overlay is incredibly useful for knowing:

  • If you should end your outdoor activity early with lightning risk ramping up.
  • If you should take shelter or get below treeline with lightning strikes nearby.

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Getting Started

  1. Tap the "Maps" tab.
  2. Tap the overlay button.
  3. Tap "Lightning Risk".
  4. Scrub the bottom slider.
  5. Tap the overlay to view details.

how to use lightning risk map

Here's an example of the lightning risk increasing and strikes occuring across Wisconsin on June 12, 2024.

The most recent lightning strikes have a yellow outline and fully fade when older than an hour.

The probability that lightning will strike in the next 60 minutes ranges from:

  • Blue (10%)
  • Green (25%)
  • Yellow (50%)
  • Orange (75%)

lightning risk example

Make sure you're updated to the latest version of the OpenSnow app (App Store / Google Play > OpenSnow > Update) or visit the OpenSnow website (

View → Lightning Risk Map

Questions? Send an email to [email protected] and we'll respond within 24 hours. You can also visit our Support Center to view frequently asked questions and feature guides.

Sam Collentine

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About The Author

Sam Collentine


Sam Collentine is the Chief Operating Officer of OpenSnow and lives in Basalt, Colorado. Before joining OpenSnow, he studied Atmospheric Science at the University of Colorado, spent time at Channel 7 News in Denver, and at the National Weather Service in Boulder.

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