Fresno, CA Lightning Strike Map
Real-time lightning tracking for Fresno, California. Review recent optical-flash detections and map timestamps, then follow official warnings when storms approach.
Recent detections from NOAA GOES East/West GLM. Fresno, CA. Provider and display latency vary; satellite markers are approximate optical-flash locations, not exact ground impacts.
Data sourced from NOAA GOES East/West GLM and the Storm Prediction Center.
Real-Time Lightning Near Fresno
Monitor live lightning strikes and approaching storms
Live Lightning Data for Fresno
Download the mobile app for live alerts, then use this city page plus the nearby-lightning and alert guides to make faster weather and safety calls in Fresno.
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Thunderstorm Season in Fresno
When to expect lightning activity in Fresno, CA
Thunderstorm season in Fresno spans from April through September. Peak lightning activity occurs in June and July, when warm, moist air from the south collides with cooler air masses. Spring severe weather season from March through May can produce dangerous storms.
Thunderstorm frequency can vary substantially across a city and state. This page does not publish unsupported city or statewide annual averages; use its live map for recent activity.
Lightning Safety Tips for Fresno
Essential guidelines to stay safe during thunderstorms
30-30 Rule
When you see lightning, count to 30. If you hear thunder before reaching 30, get indoors. Wait 30 minutes after the last thunderclap before going outside.
Seek Shelter
Residents and visitors in Fresno should have a shelter plan. Move inside a substantial building or hard-topped vehicle.
Stay Informed
Use Lightning Tracker for supplemental situational awareness near Fresno. Alerts can be delayed or missed; follow official warnings and seek shelter when thunder is audible.
Avoid Open Areas
Stay away from open fields, hilltops, isolated trees, and bodies of water during storms. If hiking, descend from ridges and peaks immediately.
Useful Guides for Fresno
These guides match the nearby-lightning and alert questions people ask most often
Check live electrical detections and understand how they differ from weather-radar precipitation.
Near me How to know when lightning is too close to FresnoUse this guide to judge nearby strike danger fast, especially when storms are building near your neighborhood.
Alerts Set lightning alerts for FresnoChoose a saved monitoring radius and understand app push timing versus official local warnings.
Map guide How to read live lightning around FresnoUnderstand strike clusters, motion, and timing so you can decide when to get indoors.
Fresno Lightning FAQ
Fast answers for live lightning, storm season, and safety in Fresno
Where can I see current lightning activity near Fresno, California?
This page shows recent NOAA GOES East/West GLM optical-flash detections within 80 km of Fresno. Use official weather agencies for forecasts and warnings.
When is thunderstorm season in Fresno?
Thunderstorm season in Fresno spans from April through September. Peak lightning activity occurs in June and July, when warm, moist air from the south collides with cooler air masses. Spring severe weather season from March through May can produce dangerous storms.
What should I do if caught in a lightning storm in Fresno?
If you hear thunder, seek shelter immediately. Move inside a substantial building or hard-topped vehicle, and wait 30 minutes after the last thunderclap before going outside.
Nearest Lightning Maps to Fresno
Jump to nearby city pages when storms are moving across the region