Areal Flood Watch 7:00 AM

Roanoke, Virginia

Last updated: 5:16 AM CDT  ·  Refresh
23°C
Feels like 24°
Partly Cloudy
▲ 32°  /  ▼ 20°
Wind
6 mph W
Humidity
81%
Dew Point
20°
Pressure
28.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
50%
Sunrise
6:32 AM
Sunset
8:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Roanoke is currently partly cloudy at 23°C. Precipitation is likely — peak probability 65% around 10 PM. Atmospheric instability is elevated (CAPE up to 2008 J/kg) — isolated convective development possible. Sunrise: 6:32AM · Sunset: 8:16PM.

43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
4%
7 AM
22°
21%
8 AM
23°
21%
9 AM
25°
18%
10 AM
27°
18%
11 AM
28°
18%
12 PM
29°
20%
1 PM
31°
20%
2 PM
32°
26%
3 PM
32°
34%
4 PM
32°
37%
5 PM
31°
49%
6 PM
29°
53%
7 PM
27°
57%
8 PM
26°
54%
9 PM
24°
57%
10 PM
24°
64%
11 PM
23°
49%
12 AM
23°
48%
1 AM
22°
43%
2 AM
22°
44%
3 AM
22°
48%
4 AM
22°
51%
5 AM
22°
41%
7-Day Forecast
Today
32° 20°
Partly Cloudy with a 57% chance of rain.
Wed
32° 20°
Mostly Cloudy with a 48% chance of rain.
Thu
32° 18°
Mostly Cloudy with a 29% chance of rain.
Fri
32° 19°
Partly Cloudy with a 45% chance of rain.
Sat
30° 18°
Mostly Cloudy.
Sun
33° 19°
Partly Cloudy with a 25% chance of rain.
Mon
32° 19°
Partly Cloudy with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 4% 6 mph W 81%
7 AM 22° Partly Cloudy 21% 6 mph W 79%
8 AM 23° Partly Cloudy 21% 7 mph W 76%
9 AM 25° Partly Cloudy 18% 8 mph WNW 70%
10 AM 27° Partly Cloudy 18% 8 mph WNW 62%
11 AM 28° Partly Cloudy 18% 8 mph WNW 56%
12 PM 29° Partly Cloudy 20% 9 mph WNW 52%
1 PM 31° Partly Cloudy 20% 9 mph WNW 49%
2 PM 32° Partly Cloudy 26% 8 mph W 46%
3 PM 32° Partly Cloudy 34% 8 mph W 46%
4 PM 32° Partly Cloudy 37% 8 mph W 45%
5 PM 31° Partly Cloudy 49% 7 mph W 47%
6 PM 29° Mostly Cloudy 53% 7 mph W 54%
7 PM 27° Mostly Cloudy 57% 6 mph W 63%
8 PM 26° Mostly Cloudy 54% 6 mph W 71%
9 PM 24° Overcast 57% 6 mph WNW 76%
10 PM 24° Overcast 64% 8 mph NW 81%
11 PM 23° Overcast 49% 8 mph WNW 84%
12 AM 23° Overcast 48% 9 mph WNW 83%
1 AM 22° Drizzle 43% 9 mph WNW 83%
2 AM 22° Drizzle 44% 9 mph WNW 83%
3 AM 22° Drizzle 48% 9 mph WNW 83%
4 AM 22° Overcast 51% 9 mph WNW 83%
5 AM 22° Overcast 41% 8 mph WNW 83%
15-Day Forecast
Today
8/11
Partly Cloudy
57%
20°
32°
Wed
8/12
Mostly Cloudy
48%
20°
32°
Thu
8/13
Mostly Cloudy
29%
18°
32°
Fri
8/14
Partly Cloudy
45%
19°
32°
Sat
8/15
Mostly Cloudy
17%
18°
30°
Sun
8/16
Partly Cloudy
25%
19°
33°
Mon
8/17
Partly Cloudy
25%
19°
32°
Tue
8/18
Drizzle
34%
18°
31°
Wed
8/19
Clear
35%
17°
31°
Thu
8/20
Drizzle
45%
19°
30°
Fri
8/21
Drizzle
60%
18°
30°
Sat
8/22
Drizzle
60%
18°
30°
Sun
8/23
Drizzle
60%
18°
29°
Mon
8/24
Drizzle
60%
18°
28°
Tue
8/25
Drizzle
60%
17°
27°
43
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
43 AQI 7.7 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 36 43
Wed 46 Good 33 46
Thu 41 Good 32 41
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE482 J/kg
MLCAPE1325 J/kg
MUCAPE1989 J/kg
SBCIN-284 J/kg
MLCIN0 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear22 kt
0–1 km Shear25 kt
Eff. Shear20 kt
0–1 km SRH-12
0–3 km SRH-7
Eff. SRH-1
Storm Motion303° @ 34 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.9
Thermo & Levels
PWAT1.67 in
0–3 km LR4.8 °C/km
700–500 LR6.8 °C/km
Total Totals52.8
LCL936 hPa
LFC660 hPa
EL254 hPa
Freezing Lvl13,957 ft