Little Rock Heat Index Today
Updated planning preview · 6:00 PM forecast from WeatherAPI
Heat index
112°F
Very high
Reschedule strenuous activity when possible.
Temperature
107°F
Humidity
23%
Estimated WBGT
31.9°C
UV index
0.9
Best outdoor window
7:00 AM–11:00 AM
Lowest combined heat and UV load in the available hourly preview.
Hourly heat risk
WBGT values are labeled as modeled estimates until a provider supplies measured readings.
| Time | Temperature | Heat index | Estimated WBGT | UV | Risk |
|---|---|---|---|---|---|
| 6 PM | 107°F | 112°F | 31.9°C | 0.9 | Very high |
| 7 AM | 75°F | 78°F | 23.9°C | 0.0 | Low |
| 9 AM | 81°F | 84°F | 25.6°C | 1.9 | Moderate |
| 11 AM | 89°F | 94°F | 28.0°C | 6.5 | High |
| 1 PM | 96°F | 100°F | 29.5°C | 9.5 | High |
| 3 PM | 100°F | 102°F | 29.5°C | 7.3 | High |
| 5 PM | 99°F | 101°F | 29.3°C | 2.6 | High |
| 7 PM | 94°F | 96°F | 28.1°C | 0.2 | High |
Today's outlook
In Little Rock, the highest modeled heat burden in this preview occurs around 6:00 PM. The recommended window is selected from the lowest combined risk score, temperature, and UV—not from generic city copy.
Three-day forecast
Thursday
Heat index up to 119°F
110° / 84°
Very highFriday
Heat index up to 102°F
100° / 75°
HighSaturday
Heat index up to 110°F
106° / 75°
Very highToday in Little Rock
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
112°F at 6:00 PM
The preview low is 78°F around 7:00 AM.
Feels-like difference
4°F above air temp
Current humidity is 23%, one input that changes evaporative cooling.
Peak UV
9.5 at 1:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
17°F cooler tomorrow
Today's forecast range is 84–110°F.
Where these numbers come from
WeatherAPI supplies the forecast. HeatGuard calculates heat-index risk and models WBGT from forecast temperature, humidity and a daytime solar allowance. Modeled WBGT is not an on-site globe-thermometer reading.
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