County storm facts

Storm prep for San Bernardino County residents

San Bernardino County has had 864 flood insurance claims since 1978, 54 federal disaster declarations for fires, storms, floods or mudslides since 1965, and 188 mapped wildfires that started here since 2021.

Local data from official sources, updated weekly. This snapshot: September 29, 2026. Alerts load live from the National Weather Service when you open this page.

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Source: National Weather Service alerts.

Forecasts for this county (NWS county zone CAC071) come from:

Source: National Weather Service (the exact query), data as of September 29, 2026.

Help right now

Live from FEMA and the Red Cross shelter list. Check your address on the home page for what’s nearest you.

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FEMA assistance

Open shelters

Evacuation status

Live evacuation status isn’t shown here yet. Your county’s evacuation map has the current orders and warnings.

Road conditions

Closures, chain controls and incidents on state highways.

Recent burn areas

188 fires that started in San Bernardino County since January 1, 2021 have a mapped perimeter, covering 157,030 acres in all.

Largest

FireYearAcres
York202393,078
Line202443,975
Bdu/Ranch20254,292

Acres are each fire’s whole mapped area, which can reach past the county line.

Burned hillsides can’t soak up heavy rain, so mud and debris can rush downhill with little warning.

Source: NIFC WFIGS Interagency Fire Perimeters (the exact query), data as of September 29, 2026.

Flood history

864 flood insurance claims have been filed in San Bernardino County since 1978. 115 of them were for floods from 2017 to 2026.

The years with the most claims: 1980 (110), 2005 (79), 2010 (59).

This is history, not a prediction. These are National Flood Insurance Program claims, so they only count insured buildings.

FEMA’s data runs through September 8, 2026.

Source: FEMA OpenFEMA, NFIP Redacted Claims (the exact query), data as of September 29, 2026.

Federal disaster declarations

San Bernardino County has been part of 54 federal disaster declarations for fires, storms, floods or mudslides since 1965: 33 for fires and 21 for storms, floods or mudslides.

Most recent

  • Bridge FireSeptember 11, 2024 · FM-5537-CA
  • Line FireSeptember 7, 2024 · FM-5535-CA
  • Severe Winter Storms, Straight-line Winds, Flooding, Landslides, and MudslidesApril 3, 2023 · DR-4699-CA

FEMA’s ids start with DR for a major disaster, EM for an emergency and FM for fire management.

Source: FEMA OpenFEMA, Disaster Declarations Summaries (the exact query), data as of September 29, 2026.

Coast and tsunami

The California Geological Survey’s tsunami hazard maps show no hazard areas in San Bernardino County. Those maps cover the state’s coastal and bay counties.

Source: California Geological Survey tsunami hazard areas (the exact query), data as of September 29, 2026.

Rain in past strong El Niño winters

We haven’t verified a long-record NOAA weather station for San Bernardino County yet, so there’s no local chart here. See past strong El Niño winters in Los Angeles, San Diego and San Francisco.

Local help

Alerts sign-up, free sandbags, evacuation zones and help lines for this county.

Power and internet outages

Power

More than one utility serves this county. Check which one covers your address before you rely on its outage map.

Internet and phone

What about your street?

County numbers can’t tell you about your home. Check your address against the official flood, fire, landslide and tsunami maps.