Louisa County, Virginia, United States

Last updated: 9:11 PM CDT  ·  Refresh
24°C
Feels like 26°
Partly Cloudy
▲ 33°  /  ▼ 17°
Wind
6 mph NNE
Humidity
79%
Dew Point
21°
Pressure
29.58 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
41%
Sunrise
6:31 AM
Sunset
7:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Louisa County is currently partly cloudy at 24°C. Precipitation is likely — peak probability 54% around 9 PM. Sunrise: 6:31AM · Sunset: 7:58PM.

Alerts

No active alerts for this location.
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
32%
11 PM
23°
23%
12 AM
22°
23%
1 AM
20°
16%
2 AM
20°
6%
3 AM
19°
12%
4 AM
18°
16%
5 AM
18°
16%
6 AM
17°
16%
7 AM
17°
16%
8 AM
17°
8%
9 AM
18°
10%
10 AM
21°
13%
11 AM
22°
14%
12 PM
23°
14%
1 PM
23°
8%
2 PM
26°
14%
3 PM
26°
27%
4 PM
26°
43%
5 PM
27°
43%
6 PM
25°
44%
7 PM
24°
48%
8 PM
24°
48%
9 PM
23°
54%
7-Day Forecast
Tonight
33° 17°
Partly Cloudy with a 32% chance of rain.
Fri
28° 17°
Partly Cloudy with a 50% chance of rain.
Sat
27° 19°
Rain, 70% chance.
Sun
32° 18°
Mostly Cloudy with a 25% chance of rain.
Mon
31° 16°
Clear.
Tue
29° 17°
Heavy Rain, 74% chance.
Wed
32° 17°
Heavy Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 32% 6 mph NNE 79%
11 PM 23° Partly Cloudy 23% 7 mph NNE 81%
12 AM 22° Partly Cloudy 23% 6 mph NNE 82%
1 AM 20° Partly Cloudy 16% 7 mph NNE 84%
2 AM 20° Partly Cloudy 6% 7 mph N 85%
3 AM 19° Partly Cloudy 12% 6 mph N 86%
4 AM 18° Partly Cloudy 16% 6 mph N 88%
5 AM 18° Partly Cloudy 16% 6 mph N 88%
6 AM 17° Partly Cloudy 16% 6 mph N 88%
7 AM 17° Partly Cloudy 16% 6 mph N 88%
8 AM 17° Mostly Cloudy 8% 6 mph N 86%
9 AM 18° Partly Cloudy 10% 7 mph N 79%
10 AM 21° Partly Cloudy 13% 7 mph NNE 72%
11 AM 22° Partly Cloudy 14% 7 mph NNE 66%
12 PM 23° Partly Cloudy 14% 6 mph NNE 65%
1 PM 23° Partly Cloudy 8% 5 mph NNE 64%
2 PM 26° Partly Cloudy 14% 4 mph NE 63%
3 PM 26° Partly Cloudy 27% 5 mph NNE 62%
4 PM 26° Partly Cloudy 43% 4 mph NNE 61%
5 PM 27° Mostly Clear 43% 4 mph NNE 62%
6 PM 25° Partly Cloudy 44% 4 mph NNE 65%
7 PM 24° Partly Cloudy 48% 4 mph NE 68%
8 PM 24° Mostly Cloudy 48% 3 mph NE 71%
9 PM 23° Mostly Cloudy 54% 3 mph NE 73%
15-Day Forecast
Today
8/20
Partly Cloudy
32%
17°
33°
Fri
8/21
Partly Cloudy
50%
17°
28°
Sat
8/22
Rain
70%
19°
27°
Sun
8/23
Mostly Cloudy
25%
18°
32°
Mon
8/24
Clear
8%
16°
31°
Tue
8/25
Heavy Rain
74%
17°
29°
Wed
8/26
Heavy Rain
82%
17°
32°
Thu
8/27
Rain
82%
18°
31°
Fri
8/28
Drizzle
68%
18°
34°
Sat
8/29
Drizzle
68%
19°
34°
Sun
8/30
Drizzle
60%
18°
34°
Mon
8/31
Drizzle
60%
19°
33°
Tue
9/1
Drizzle
60%
18°
32°
Wed
9/2
Drizzle
60%
18°
32°
Thu
9/3
Drizzle
60%
17°
31°
37
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
37 AQI 6.6 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 37 Good 35 37
Sat 38 Good 34 38
Sun 36 Good 36 16
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 Thu Aug 20, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE122 J/kg
MLCAPE112 J/kg
MUCAPE368 J/kg
SBCIN-116 J/kg
MLCIN-80 J/kg
Lifted Index1.2
Kinematics
0–6 km Shear31 kt
0–1 km Shear15 kt
Eff. Shear27 kt
0–1 km SRH-78
0–3 km SRH13
Eff. SRH13
Storm Motion303° @ 26 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index32.4
Thermo & Levels
PWAT1.76 in
0–3 km LR5.7 °C/km
700–500 LR4.3 °C/km
Total Totals40.3
LCL947 hPa
LFC788 hPa
EL538 hPa
Freezing Lvl14,590 ft