Areal Flood Advisory — Goochland County, VA, Hanover County, VA, Henrico County, VA, King William County, VA, Powhatan County, VA 3:15 AM Areal Flood Advisory — Chesterfield County, VA, Essex County, VA, Gloucester County, VA, Hanover County, VA, Henrico County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Middlesex County, VA, New Kent County, VA, Northumberland County, VA, City of Richmond County, VA 3:45 AM Areal Flood Watch 11:00 PM

Mechanicsville, Virginia

Last updated: 1:05 AM CDT  ·  Refresh
23°C
Feels like 27°
Overcast
▲ 29°  /  ▼ 19°
Wind
4 mph S
Humidity
98%
Dew Point
23°
Pressure
29.63 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
86%
Sunrise
6:04 AM
Sunset
8:25 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Mechanicsville is currently overcast at 23°C. Precipitation is likely — peak probability 90% around 3 AM. Atmospheric instability is elevated (CAPE up to 1685 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 8:25PM.

Alerts

Areal Flood Advisory
Goochland County, VA, Hanover County, VA, Henrico County, VA, King William County, VA, Powhatan County, VA
Expires 3:15 AM
Areal Flood Advisory
Chesterfield County, VA, Essex County, VA, Gloucester County, VA, Hanover County, VA, Henrico County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Middlesex County, VA, New Kent County, VA, Northumberland County, VA, City of Richmond County, VA
Expires 3:45 AM
Areal Flood Watch
Expires 11:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
82%
3 AM
23°
90%
4 AM
23°
66%
5 AM
23°
56%
6 AM
22°
58%
7 AM
22°
53%
8 AM
23°
49%
9 AM
24°
58%
10 AM
26°
64%
11 AM
27°
69%
12 PM
27°
56%
1 PM
28°
56%
2 PM
28°
68%
3 PM
28°
68%
4 PM
27°
78%
5 PM
27°
80%
6 PM
27°
90%
7 PM
26°
86%
8 PM
24°
81%
9 PM
24°
81%
10 PM
23°
86%
11 PM
23°
76%
12 AM
23°
72%
1 AM
22°
66%
7-Day Forecast
Today
29° 19°
Partly Cloudy with a 82% chance of rain.
Thu
27° 19°
Partly Cloudy with a 53% chance of rain.
Fri
28° 17°
Mostly Cloudy with a 51% chance of rain.
Sat
26° 19°
Drizzle, 60% chance.
Sun
31° 20°
Rain, 82% chance.
Mon
34° 19°
Rain, 70% chance.
Tue
35° 21°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 82% 4 mph S 98%
3 AM 23° Overcast 90% 5 mph SSW 96%
4 AM 23° Partly Cloudy 66% 7 mph SSW 93%
5 AM 23° Mostly Cloudy 56% 9 mph SSW 91%
6 AM 22° Mostly Cloudy 58% 10 mph SW 91%
7 AM 22° Partly Cloudy 53% 10 mph SSW 90%
8 AM 23° Partly Cloudy 49% 10 mph SSW 89%
9 AM 24° Partly Cloudy 58% 11 mph SW 85%
10 AM 26° Mostly Cloudy 64% 11 mph SW 81%
11 AM 27° Mostly Cloudy 69% 11 mph SW 76%
12 PM 27° Mostly Cloudy 56% 10 mph SW 72%
1 PM 28° Mostly Cloudy 56% 10 mph SW 68%
2 PM 28° Mostly Cloudy 68% 10 mph SW 64%
3 PM 28° Mostly Cloudy 68% 10 mph SW 67%
4 PM 27° Partly Cloudy 78% 10 mph SSW 70%
5 PM 27° Partly Cloudy 80% 10 mph SSW 73%
6 PM 27° Partly Cloudy 90% 8 mph SSW 77%
7 PM 26° Partly Cloudy 86% 6 mph SSW 81%
8 PM 24° Mostly Cloudy 81% 5 mph SSW 85%
9 PM 24° Mostly Cloudy 81% 4 mph SSW 89%
10 PM 23° Heavy Rain 86% 4 mph SSW 92%
11 PM 23° Rain 76% 4 mph SSW 95%
12 AM 23° Rain 72% 4 mph SW 96%
1 AM 22° Rain 66% 4 mph NW 96%
15-Day Forecast
Today
7/22
Partly Cloudy
82%
19°
29°
Thu
7/23
Partly Cloudy
53%
19°
27°
Fri
7/24
Mostly Cloudy
51%
17°
28°
Sat
7/25
Drizzle
60%
19°
26°
Sun
7/26
Rain
82%
20°
31°
Mon
7/27
Rain
70%
19°
34°
Tue
7/28
Rain
71%
21°
35°
Wed
7/29
Rain
69%
21°
33°
Thu
7/30
Drizzle
44%
20°
29°
Fri
7/31
Drizzle
51%
19°
30°
Sat
8/1
Drizzle
60%
20°
29°
Sun
8/2
Drizzle
60%
20°
29°
Mon
8/3
Drizzle
60%
20°
31°
Tue
8/4
Drizzle
60%
21°
32°
Wed
8/5
Drizzle
60%
22°
32°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.5 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 35 52
Thu 53 Moderate 37 53
Fri 27 Good 27 13
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 Wed Jul 22, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE445 J/kg
MLCAPE721 J/kg
MUCAPE996 J/kg
SBCIN-53 J/kg
MLCIN0 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear45 kt
0–1 km Shear29 kt
Eff. Shear46 kt
0–1 km SRH-101
0–3 km SRH-122
Eff. SRH-122
Storm Motion225° @ 39 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.7
Thermo & Levels
PWAT2.43 in
0–3 km LR4.7 °C/km
700–500 LR5.3 °C/km
Total Totals47.0
LCL996 hPa
LFC810 hPa
EL228 hPa
Freezing Lvl15,492 ft