Oroville, CA

Local storm history & FEMA National Risk Index data

Population: 19,712 · Part of Butte County

Oroville is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Butte County, CA. The county's highest-rated hazards are drought, wildfire, and landslide.

Storm events near Oroville

NOAA-recorded tornado, hail, and flood events within 25 miles of Oroville's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Oroville itself, not the whole county.

Tornado 1 events
Hail 6 events
Inland Flooding 79 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Butte County's FEMA National Risk Index scores, covering Oroville along with the rest of the county, not a Oroville-specific figure.

Hazard NRI score Rating
Wildfire 98.5 Relatively High
Inland Flooding 93.2 Relatively Moderate
Coastal Flooding Not Applicable
Earthquake 97.5 Relatively Moderate
Heat Wave 82 Relatively Moderate
Tornado 28.2 Relatively Low
Avalanche 27.8 Very Low
Cold Wave 0 No Rating
Drought 99.7 Very High
Hail 34 Relatively Low
Hurricane Not Applicable
Ice Storm Not Applicable
Landslide 97.6 Relatively Moderate
Lightning 68.1 Relatively Moderate
Strong Wind 12.1 Very Low
Tsunami Not Applicable
Volcanic Activity 79.5 Very Low
Winter Weather 25.9 Relatively Low

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Butte County risk profile for disaster declarations, social vulnerability, and climate projection data.

Other cities in Butte County:

More on Butte County:

Frequently asked questions

What natural hazards is Oroville, CA at risk of?

Oroville is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Butte County, where Oroville is located, are drought, wildfire, and landslide.

What is Oroville's biggest natural hazard risk?

Drought is the highest-rated hazard for Butte County, where Oroville is located, scoring 99.7 out of 100 on FEMA's National Risk Index (rated "Very High").

Is Oroville a high-risk area for natural disasters?

Somewhat — Oroville carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Butte County.

Has Oroville had tornadoes, hail, or flooding?

NOAA has recorded 1 tornado, 6 hail, 79 inland flooding events within 25 miles of Oroville since 2016.