El Rio Heat Index Today
Updated planning preview · 4:00 PM forecast from WeatherAPI
Heat index
104°F
Very high
Reschedule strenuous activity when possible.
Temperature
104°F
Humidity
19%
Estimated WBGT
29.6°C
UV index
3.5
Best outdoor window
6:00 AM–10:00 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 |
|---|---|---|---|---|---|
| 4 PM | 104°F | 104°F | 29.6°C | 3.5 | Very high |
| 6 PM | 104°F | 103°F | 29.0°C | 0.3 | Very high |
| 6 AM | 84°F | 82°F | 22.9°C | 0.0 | Moderate |
| 8 AM | 87°F | 85°F | 23.7°C | 1.7 | Moderate |
| 10 AM | 91°F | 88°F | 24.9°C | 6.8 | Moderate |
| 12 PM | 96°F | 93°F | 25.8°C | 10.8 | High |
| 2 PM | 99°F | 97°F | 26.0°C | 7.5 | High |
| 4 PM | 88°F | 85°F | 23.7°C | 0.9 | Moderate |
Today's outlook
In El Rio, 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 111°F
109° / 75°
Very highFriday
Heat index up to 97°F
99° / 81°
HighSaturday
Heat index up to 98°F
100° / 81°
HighToday in El Rio
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
104°F at 4:00 PM
The preview low is 82°F around 6:00 AM.
Feels-like difference
Matches air temp
Current humidity is 19%, one input that changes evaporative cooling.
Peak UV
10.8 at 12:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
14°F cooler tomorrow
Today's forecast range is 75–109°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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