Prepping in Fresno
Fresno's summers regularly pass 100°F, and fires in the Sierra, like 2020's Creek Fire, can bury the valley in smoke for weeks.
- Extreme heat
- Wildfire smoke
- Flooding
Sign up today
The official Fresno alert and lookup tools. Each takes a few minutes and works even if you do nothing else on this page.
- Fresno County emergency alertsSign up for county alerts
Fresno County's free emergency alerts to your phone, text and email. Register from the county's emergency page.
- MyShake appGet the MyShake app
Free earthquake early warning from the ShakeAlert system. It can give you a few seconds to drop, cover and hold on before shaking arrives.
Links checked October 2026. Wireless Emergency Alerts reach most phones automatically; these add local detail.
What can go wrong in Fresno
- Extreme heat
- Long stretches above 100°F make outages dangerous, especially for older adults and outdoor workers.
- Wildfire smoke
- Smoke from Sierra fires can settle in the valley for days or weeks.
- Flooding
- Big winter storms can flood rivers, canals and low areas, as in 2023.
- Tule fog
- Dense winter fog makes driving dangerous.
- Earthquakes
- Less risk than the coast, but strong shaking from regional faults is possible.
What that means for your plan
Keep N95 masks and a way to filter air in one room for smoke season.
Plan to stay cool without power, and keep two weeks of water.
In tule fog, slow down, use low beams and leave lots of room.
Do these first, in this order
- Two weeks of water
Basic insurance for heat and outages.
Water storage and filters guide - Power station
Fans, air purifiers and medical devices.
Power stations and generators guide - Go-bag with N95 masks
For smoke days and evacuations.
Go-bags and evacuation guide - County alerts
Official warnings and evacuation orders.
Radios and communication guide - First-aid kit
Know the signs of heat illness.
First aid and medical guide - Car kit
For fog, heat and long drives.
Go-bags and evacuation guide
Questions
How do I get emergency alerts in Fresno?
Register for Fresno County's free emergency alerts from the county's emergency page, keep Wireless Emergency Alerts on, and install MyShake for earthquakes.
How do I protect my family from wildfire smoke?
Stay indoors with windows closed, run an air purifier in one room, and wear an N95 mask outside when the air quality is unhealthy.
How ready is your Fresno home?
The quiz weights every item for suburbs risks and shows your top gaps. About 3 minutes, no sign-up.