Risk Snapshot
Ratings represent risk relative to North America. 100 is the highest risk for the hazard and 1 is the lowest, but does not indicate no risk. Flood and fire are rated based on the buildings in St. George exposed to these hazards. See hazard sections below and check your address for details.
Heat risk in St. George, UT is extreme. Drought risk is very high. Precipitation risk is relatively low. About 100% of buildings in St. George, UT are at risk of wildfire, and the risk level for these buildings is very high. About 13% of buildings in St. George, UT are at risk of flooding, and the risk level for these buildings is high. 
The risk on the most dangerous fire weather days in St. George is extreme. The number of these days per year is expected to increase through 2050.
Of 41 census tracts in St. George, UT, there are 41 where more than a quarter of buildings have significant fire risk, and 41 where more than half of buildings have significant fire risk. Property owners can take steps to mitigate their risks from wildfires.
The number of the hottest days in St. George is projected to keep increasing.
In a typical year around 1990, people in St. George, UT experienced about 7 days above 105.1ºF in a year. By 2050, people in St. George are projected to experience an average of about 43 days per year over 105.1ºF.
The average water stress in St. George is projected to be higher around 2050 than around 2015.
The Upper Virgin watershed, which contains St. George, UT, has experienced 960 weeks (80% of weeks) since 2000 with some of its area in drought of any level, and 207 weeks (17% of weeks) since 2000 with some of its area in Extreme or Exceptional drought. Source: National Drought Monitor.
Buildings at risk in St. George average about a 37% chance of a flood about 2.1 feet deep over 30 years.
Of 41 census tracts in St. George, UT, there are 3 where more than a quarter of buildings have significant risk from surface (pluvial) flooding and riverine (fluvial) flooding. Property owners can check a specific address for flood risk including FEMA flood zone, then take steps to reduce their vulnerability to flooding damage.
The share of precipitation during the biggest downpours in St. George is projected to increase.
A downpour for St. George, UT is a two-day rainfall total over 0.3 inches. Around 1990, about 54.0% of precipitation fell during these downpours. In 2050, this is projected to be about 59.0%. The annual precipitation in St. George, UT is projected to remain about 8.3".
The projections on this page describe a future that we still have a chance to avoid. To keep average global warming below 1.5ºC—the goal agreed on in the 2015 Paris Climate Accords—we need to act rapidly to drastically reduce greenhouse gas emissions.
The risks presented on this page reflect modeled averages for St. George, UT under one projected emissions scenario and can vary for individual properties. To find out more, check a specific address and request a report describing risks to your property and in your area.
The latest Intergovernmental Panel on Climate Change report states: “If global emissions continue at current rates, the remaining carbon budget for keeping warming to 1.5ºC will likely be exhausted before 2030.” This remaining carbon budget is about the same amount as total global emissions 2010-2019.
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