Tulsa Heat Index Today
Updated planning preview · 6:00 PM forecast from WeatherAPI
Heat index
108°F
Very high
Reschedule strenuous activity when possible.
Temperature
106°F
Humidity
21%
Estimated WBGT
30.9°C
UV index
1.3
Best outdoor window
8:00 PM–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 |
|---|---|---|---|---|---|
| 6 PM | 106°F | 108°F | 30.9°C | 1.3 | Very high |
| 8 PM | 97°F | 97°F | 28.0°C | 0.0 | High |
| 8 AM | 76°F | 79°F | 23.9°C | 0.4 | Low |
| 10 AM | 80°F | 82°F | 24.7°C | 3.5 | Moderate |
| 12 PM | 91°F | 93°F | 27.4°C | 7.3 | High |
| 2 PM | 99°F | 100°F | 29.1°C | 9.3 | High |
| 4 PM | 102°F | 103°F | 29.6°C | 5.5 | High |
| 6 PM | 102°F | 102°F | 29.4°C | 1.3 | High |
Today's outlook
In Tulsa, 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 117°F
110° / 78°
Very highFriday
Heat index up to 103°F
102° / 75°
HighSaturday
Heat index up to 113°F
110° / 79°
Very highToday in Tulsa
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
108°F at 6:00 PM
The preview low is 79°F around 8:00 AM.
Feels-like difference
2°F above air temp
Current humidity is 21%, one input that changes evaporative cooling.
Peak UV
9.3 at 2:00 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 78–110°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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