Hourly Weather | Today Wednesday, August 12, 2026
Active Weather Warnings
Roanoke, Virginia
9 AM
Cloudy Weather
73°
Feels Like 77°
7
Humidity: 75%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
75°
Feels Like 82°
6
Humidity: 69%
UV Index: 4
Wind: 8 mph
11 AM
Cloudy Weather
81°
Feels Like 86°
5
Humidity: 62%
UV Index: 6
Wind: 8 mph
12 PM
Cloudy Weather
82°
Feels Like 90°
5
Humidity: 58%
UV Index: 9
Wind: 8 mph
1 PM
Cloudy Weather
82°
Feels Like 91°
8
Humidity: 56%
UV Index: 10
Wind: 9 mph
2 PM
Sunny with a Chance of Thunderstorms
84°
Feels Like 90°
51
Humidity: 56%
UV Index: 9
Wind: 9 mph
3 PM
Cloudy Weather
84°
Feels Like 91°
47
Humidity: 54%
UV Index: 6
Wind: 9 mph
4 PM
Cloudy Weather
86°
Feels Like 91°
35
Humidity: 53%
UV Index: 4
Wind: 8 mph
5 PM
Cloudy Weather
88°
Feels Like 90°
19
Humidity: 51%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
84°
Feels Like 88°
19
Humidity: 53%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
82°
Feels Like 84°
24
Humidity: 55%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
81°
Feels Like 81°
34
Humidity: 60%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
81°
Feels Like 81°
34
Humidity: 65%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
79°
Feels Like 79°
37
Humidity: 70%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
77°
Feels Like 79°
47
Humidity: 74%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.51 µg/m³
  • PM10: 2.38 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 AM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 2.21 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.96 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 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:

  • PM2.5: 1.11 µg/m³
  • PM10: 1.4 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.98 µg/m³
  • PM10: 1.19 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 1.06 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

3 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 0.98 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

4 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 1.03 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.14 µg/m³
  • PM10: 1.39 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 1.71 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.38 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 2.21 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.53 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.6 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 2.87 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Roanoke

Severe Future Possible

Flood Watch

Flood Watch issued August 12 at 2:01AM EDT until August 13 at 8:00AM EDT by NWS Blacksburg VA
Aug 12, 2:01 AM Aug 13, 8:00 AM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: Portions of northwest North Carolina, including the
following areas, Alleghany NC, Ashe and Watauga, Virginia,
including the following areas, Alleghany VA, Bath, Bland,
Botetourt, Carroll, Craig, Floyd, Giles, Grayson, Montgomery,
Pulaski, Roanoke, Rockbridge, Smyth, Tazewell and Wythe, and
southeast West Virginia, including the following areas, Eastern
Greenbrier, Mercer, Monroe, Summers and Western Greenbrier.

WHEN: Through Thursday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

ADDITIONAL DETAILS:
- Repeated rounds of rain and thunderstorms may lead to flash
flooding through midweek.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Aug 12, 7:20 AM Source: NWS Alert