Hourly Weather Forecast for Sparks, Nevada

Hourly Weather | Today › Tuesday, July 21, 2026

Active Weather Warnings

Flood Watch

Sparks, Nevada

1 AM

75°

Feels Like 72°

Humidity: 51%

UV Index: 0

Wind: 6 mph

2 AM

73°

Feels Like 72°

Humidity: 52%

UV Index: 0

Wind: 6 mph

3 AM

72°

Feels Like 70°

Humidity: 54%

UV Index: 0

Wind: 6 mph

4 AM

70°

Feels Like 68°

Humidity: 57%

UV Index: 0

Wind: 5 mph

5 AM

70°

Feels Like 66°

Humidity: 59%

UV Index: 0

Wind: 5 mph

6 AM

66°

Feels Like 64°

Humidity: 62%

UV Index: 0

Wind: 5 mph

7 AM

70°

Feels Like 70°

Humidity: 58%

UV Index: 1

Wind: 4 mph

8 AM

73°

Feels Like 75°

Humidity: 53%

UV Index: 2

Wind: 4 mph

9 AM

77°

Feels Like 81°

Humidity: 45%

UV Index: 4

Wind: 4 mph

10 AM

81°

Feels Like 86°

Humidity: 38%

UV Index: 5

Wind: 6 mph

11 AM

84°

Feels Like 91°

Humidity: 33%

UV Index: 8

Wind: 6 mph

12 PM

88°

Feels Like 93°

Humidity: 29%

UV Index: 10

Wind: 7 mph

1 PM

90°

Feels Like 97°

Humidity: 27%

UV Index: 11

Wind: 7 mph

2 PM

91°

Feels Like 99°

Humidity: 24%

UV Index: 10

Wind: 7 mph

3 PM

93°

Feels Like 99°

Humidity: 23%

UV Index: 8

Wind: 8 mph

4 PM

93°

Feels Like 93°

Humidity: 24%

UV Index: 5

Wind: 9 mph

5 PM

91°

Feels Like 91°

Humidity: 25%

UV Index: 4

Wind: 10 mph

6 PM

90°

Feels Like 90°

Humidity: 25%

UV Index: 2

Wind: 12 mph

7 PM

90°

Feels Like 88°

Humidity: 27%

UV Index: 1

Wind: 12 mph

8 PM

88°

Feels Like 84°

Humidity: 29%

UV Index: 0

Wind: 12 mph

9 PM

84°

Feels Like 81°

Humidity: 32%

UV Index: 0

Wind: 12 mph

10 PM

81°

Feels Like 79°

Humidity: 35%

UV Index: 0

Wind: 10 mph

11 PM

79°

Feels Like 75°

Humidity: 38%

UV Index: 0

Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM

28 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.33 µg/m³
PM₁₀: 7.83 µg/m³
O₃: 0.030 ppm
NO₂: 1.9 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

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

2 AM

26 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.96 µg/m³
PM₁₀: 7.34 µg/m³
O₃: 0.028 ppm
NO₂: 1.5 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 AM

25 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.61 µg/m³
PM₁₀: 6.91 µg/m³
O₃: 0.027 ppm
NO₂: 1.3 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

4 AM

24 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.35 µg/m³
PM₁₀: 6.59 µg/m³
O₃: 0.026 ppm
NO₂: 1.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 AM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.09 µg/m³
PM₁₀: 6.27 µg/m³
O₃: 0.025 ppm
NO₂: 1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 AM

22 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.82 µg/m³
PM₁₀: 5.95 µg/m³
O₃: 0.023 ppm
NO₂: 1 ppb
SO₂: 0.1 ppb
CO: 0.08 ppm

Health Recommendations:

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

7 AM

21 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.71 µg/m³
PM₁₀: 5.86 µg/m³
O₃: 0.023 ppm
NO₂: 1.2 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

8 AM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.79 µg/m³
PM₁₀: 6.09 µg/m³
O₃: 0.025 ppm
NO₂: 1.5 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 AM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.11 µg/m³
PM₁₀: 5.58 µg/m³
O₃: 0.038 ppm
NO₂: 1 ppb
SO₂: 0.2 ppb
CO: 0.08 ppm

Health Recommendations:

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

10 AM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.77 µg/m³
PM₁₀: 5.3 µg/m³
O₃: 0.040 ppm
NO₂: 0.9 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 AM

40 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.17 µg/m³
PM₁₀: 5.92 µg/m³
O₃: 0.043 ppm
NO₂: 0.9 ppb
SO₂: 0.3 ppb
CO: 0.08 ppm

Health Recommendations:

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

12 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.19 µg/m³
PM₁₀: 3.09 µg/m³
O₃: 0.035 ppm
NO₂: 0.4 ppb
SO₂: 0.1 ppb
CO: 0.07 ppm

Health Recommendations:

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

1 PM

28 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.74 µg/m³
PM₁₀: 2.4 µg/m³
O₃: 0.030 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.

2 PM

28 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.82 µg/m³
PM₁₀: 2.44 µg/m³
O₃: 0.030 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.

3 PM

29 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.97 µg/m³
PM₁₀: 2.58 µg/m³
O₃: 0.031 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.

4 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.15 µg/m³
PM₁₀: 2.75 µg/m³
O₃: 0.032 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.

5 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.35 µg/m³
PM₁₀: 2.95 µg/m³
O₃: 0.034 ppm
NO₂: 0.3 ppb
SO₂: 0.1 ppb
CO: 0.07 ppm

Health Recommendations:

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

6 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.96 µg/m³
PM₁₀: 3.66 µg/m³
O₃: 0.037 ppm
NO₂: 0.6 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

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.87 µg/m³
PM₁₀: 4.73 µg/m³
O₃: 0.042 ppm
NO₂: 1.1 ppb
SO₂: 0.2 ppb
CO: 0.08 ppm

Health Recommendations:

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

8 PM

40 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.48 µg/m³
PM₁₀: 5.5 µg/m³
O₃: 0.043 ppm
NO₂: 1.7 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.66 µg/m³
PM₁₀: 5.76 µg/m³
O₃: 0.040 ppm
NO₂: 2.1 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

10 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.67 µg/m³
PM₁₀: 5.79 µg/m³
O₃: 0.036 ppm
NO₂: 2.3 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

11 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.56 µg/m³
PM₁₀: 5.67 µg/m³
O₃: 0.033 ppm
NO₂: 2.4 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Sparks

Severe Future Possible

Flood Watch

Flood Watch issued July 20 at 12:17PM PDT until July 21 at 11:00PM PDT by NWS Reno NV

Jul 21, 12:00 PM → Jul 21, 11:00 PM

WHAT: Flash flooding caused by excessive rainfall is possible due
to thunderstorms.

WHERE: Portions of east central California, including the
following area, Greater Lake Tahoe Area and western Nevada,
including the following areas, Greater Lake Tahoe Area and Greater
Reno-Carson City-Minden Area.

WHEN: From Tuesday afternoon through Tuesday evening.

IMPACTS: Excessive runoff may result in flooding of creeks,
streams, urban areas, burn scars, and areas near steep terrain.

ADDITIONAL DETAILS:
- Deeper monsoonal moisture combined with daytime heating will
produce scattered thunderstorms Tuesday afternoon and
evening. Slower moving storms could redevelop over similar
areas, increasing the risk for heavy rainfall capable of
producing flash flooding.
- http://www.weather.gov/safety/flood

+ Read More

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Updated: Jul 20, 11:39 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Sparks

Flood Watch

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