Climate change in Little Rock, Arkansas

Climate change is affecting locations like Little Rock in a variety of ways. In fall, these impacts include increased cooling demand, more extreme rainfall, and changes to fall foliage.

Explore these pages to learn how people in Little Rock are at risk in a warming world.

Since 1970, average annual temperatures in Little Rock have gotten 2.7°F warmer, reflecting an overall warming trend.

Warming puts people and ecosystems at risk from more frequent and intense extreme weather.
Overall, the contiguous U.S. is about 2.8°F warmer today than in 1970, based on average temperatures.
Data source: NOAA ACIS

Since 1970, Little Rock's annual precipitation has increased by 2.5 inches.

Climate change is supercharging the water cycle and bringing heavier precipitation extremes across the U.S.
For every 1°F of warming, the air can hold 4% more moisture, increasing the chances of heavier downpours that contribute to flash flooding hazards.
Data source: NOAA ACIS

As of October 6, 2026, Little Rock has experienced 68 days this year with temperatures made twice as likely by climate change.

This is according to the Climate Shift Index (CSI), which quantifies the influence of human-caused climate change on daily average temperatures. Temperatures on these days had a CSI level 2 or higher, which indicates local temperatures were at least two times more likely due to climate change.
The CSI ranges from -5 to +5. Positive levels indicate temperatures made more likely due to climate change (while negative scores indicate conditions made less likely).
Data source: Climate Shift Index

Little Rock's climate threats in include:

Between 1980 and 2025, Arkansas experienced 5 billion-dollar hurricanes.

As the planet warms, extreme weather events are becoming more frequent and intense, resulting in devastating losses.
Tropical cyclones (which include hurricanes and tropical storms) are the most costly extreme weather events in the U.S.
This data shows the total number of hurricanes with at least one billion dollars in damages that occurred during 1980-2025.
Data source: U.S. Billion Dollar Weather and Climate Disasters

Since 1970, average fall temperatures in Little Rock have gotten 2.6°F warmer, reflecting an overall warming trend.

Fall warming means that risky heat, fire weather, and allergies linger later into the year.
Data source: NOAA ACIS

The amount of rainfall during the heaviest rain events each year in the Southeast has increased by 37% since 1958.

Climate change is supercharging the water cycle, bringing heavier precipitation extremes across the U.S.
This chart shows how the amount of rainfall during the top 1% heaviest rain events each year in the Southeast increased between 1958 to 2021.
Data source: Fifth National Climate Assessment

Since 1979, Little Rock has experienced 3 more days with a heat index above 90°F.

Heat is dangerous. When high temperatures are combined with high humidity, the health risks multiply.
The heat index incorporates relative humidity and is more useful than air temperature alone in determining heat-related health risks.
Data source: gridMET

Explore some ways climate change is affecting Little Rock in fall

Higher cooling demand for schools

Hotter summers and longer warm seasons make cooling schools a growing challenge.

Key concepts:

Hotter summers and longer warm seasons make cooling schools a growing challenge.
Cooling is essential for student and staff health and safety.
Since 1970, cooling demand during back-to-school season rose in 95% of U.S. locations analyzed.
Rising demand means schools face costly upgrades to keep classrooms safe and comfortable.

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Heavier downpours

Climate change is supercharging the water cycle, driving heavier rainfall and flood risk.

Key concepts:

Climate change is supercharging the water cycle, driving heavier rainfall and flood risk.
From 1958–2021, extreme precipitation days grew in every region, led by the Northeast (+60%) and Midwest (+45%).
Intensification will continue with future warming.
Short bursts of extreme rain threaten people, ecosystems, and infrastructure nationwide.

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Impacts to fall color

Conditions that trigger fall color are shifting with climate change.

Key concepts:

Foliage depends on temperature, day length, and rainfall — as well as other conditions including extreme weather events.
Cool fall nights can boost color, but they have warmed 2.7°F (1970–2023) in 212 U.S. locations.
Warmer falls can delay or shorten peak foliage.

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More dangerous heat

Climate change is driving hotter, longer, and more frequent extreme heat.

Key concepts:

Climate change is driving hotter, longer, and more frequent extreme heat — the deadliest U.S. weather hazard.
Heat combined with humidity multiplies health risks.
Rising humidity slows sweat evaporation, straining the body’s cooling system and causing dangerous heat stress.

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Changes in severe storms

Certain conditions favorable to thunderstorms and tornadoes are occurring more often

Key concepts:

Severe storms make up half of U.S. billion-dollar disasters since 1980.
Climate change is shifting storm conditions into new seasons and regions.

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Impacts to food prices

Extreme events fueled by climate change can damage crops, reduce yields, and disrupt supply chains.

Key concepts:

Food and climate change are closely linked. Food systems account for about one-quarter of all heat-trapping pollution.
Meanwhile, extreme events fueled by climate change can damage crops, reduce yields, and disrupt supply chains — all of which can drive food prices higher.
The availability, quality, and affordability of food reflect a complex set of climatic and socioeconomic factors. Emerging research is providing insight into the role of climate change.

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Climate change in Little Rock, Arkansas

Little Rock's climate threats in fall include:

Explore some ways climate change is affecting Little Rock in fall

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Little Rock's climate threats in include: