Thunder storms

How thunderstorms impact your Timp hike

  • Thunderstorms are frequent in the summer
  • They usually develop in the afternoon
  • The summit & most of both trails are exposed - there is no safe cover
  • The risks: Lightning & hypothermia from rain, wind, & cold temps

How to prevent getting caught in a thunderstorm 

The safest thing is to not be on the mountain during a thunderstorm

Check the weather

Ideally, plan your hike for a day when there are no thunderstorms in the forecast.
Check the weather at the base, mid and summit

Start your hike early

Thunderstorms usually develop in the early afternoon. Based on the weather forecast, plan to be off the summit before a storm develops.

Find safer terrain if you hear thunder

Avoid mountain tops, ridge lines, and tall, isolated trees
View a graphic about lightning risk in the backcountry

Bring rain gear

Thunderstorms can cause big temperature drops. If you are caught in a downpour, you will want to stay as dry as possible.
Image shows animated lightning bolts and says true or false

Know lightning myths and facts

  • There are many myths about lightning.
  • Get the facts so you can be as safe as possible.
  • The National Weather Service has a list of common myths and the facts you need to know.
Bust the Myths & Get Just the Facts
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Take a lightning safety quiz

  • Learn more and test your knowledge!
  • NOLS has a backcountry lightning quiz to help you learn the risks and how to reduce them.
Test Your Lightning Safety Knowledge

Learn about backcountry lightning risk management


Infographic shows detailed information about backcountry lightning risk