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Hourly Weather | Today › Tuesday, June 9, 2026
Active Weather Warnings
St. George, Utah
8 PM
Sunny Weather
91°
Feels Like 90°
0
Humidity: 11%
UV Index: 0
Wind: 10 mph
9 PM
Night
90°
Feels Like 88°
0
Humidity: 13%
UV Index: 0
Wind: 8 mph
10 PM
Night
88°
Feels Like 84°
0
Humidity: 14%
UV Index: 0
Wind: 8 mph
11 PM
Night
84°
Feels Like 82°
0
Humidity: 15%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.26 µg/m³
  • PM10: 20.27 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.46 µg/m³
  • PM10: 20.92 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.73 µg/m³
  • PM10: 21.85 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.09 µg/m³
  • PM10: 23.02 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for St. George

Severe Expected Likely

Red Flag Warning

Red Flag Warning issued June 8 at 10:50PM MDT until June 9 at 10:00PM MDT by NWS Salt Lake City UT
Jun 8, 10:50 PM → Jun 9, 10:00 PM
* AFFECTED AREA...Fire Weather Zone 492 Central Utah West
Desert, Fire Weather Zone 495 Color Country West Desert and
Fire Weather Zone 497 Mojave Desert.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 10 percent.

IMPACTS: Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Updated: Jun 9, 6:55 PM Source: NWS Alert
Severe Future Possible

Fire Weather Watch

Fire Weather Watch issued June 7 at 3:22AM MDT until June 10 at 10:00PM MDT by NWS Salt Lake City UT
Jun 7, 10:00 PM → Jun 10, 10:00 PM
* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau, Fire
Weather Zone 489 San Rafael Swell, Fire Weather Zone 492
Central Utah West Desert, Fire Weather Zone 493 Central Utah
Mountains, Fire Weather Zone 494 Henry Mountains, Fire Weather
Zone 495 Color Country West Desert, Fire Weather Zone 496
Color Country Mountains, Fire Weather Zone 497 Mojave Desert
and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 20 to 30 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 7 percent with poor overnight
recovery.

IMPACTS: Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that there is a potential for critical fire weather conditions. Continue to monitor for the latest forecasts and for possible Red Flag Warnings.
Updated: Jun 7, 11:24 AM Source: NWS Alert

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