Hourly Weather | Today Monday, July 20, 2026
Active Weather Warnings
West Valley City, Utah
6 PM
Cloudy Weather
100°
Feels Like 99°
47
Humidity: 23%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
99°
Feels Like 97°
47
Humidity: 23%
UV Index: 1
Wind: 7 mph
8 PM
Stormy Weather
97°
Feels Like 90°
51
Humidity: 25%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
93°
Feels Like 91°
47
Humidity: 28%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
91°
Feels Like 88°
40
Humidity: 30%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
88°
Feels Like 86°
34
Humidity: 33%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.85 µg/m³
  • PM10: 5.14 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 4.87 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.41 µg/m³
  • PM10: 4.61 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.33 µg/m³
  • PM10: 4.53 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 4.86 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.81 µg/m³
  • PM10: 5.37 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for West Valley City

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 20 at 12:16PM MDT until July 21 at 12:00AM MDT by NWS Salt Lake City UT
Jul 20, 12:16 PM Jul 21, 12:00 AM
WHAT: Hazardous temperatures in excess of 100 degrees are
forecast to develop this afternoon across valley locations in
northwest Utah, particularly along the northern Wasatch Front and
the Great Salt Lake Desert.

WHERE: Eastern Box Elder County, Great Salt Lake Desert and
Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele
and Rush Valleys.

WHEN: Until midnight MDT tonight.

IMPACTS: Hot temperatures may cause heat illnesses.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Jul 20, 5:16 PM Source: NWS Alert