Severe Thunderstorm Watch 9:00 PM

Carroll County, Maryland, United States

Last updated: 7:10 PM CDT  ·  Refresh
29°C
Feels like 33°
Rain
▲ 37°  /  ▼ 20°
Wind
6 mph SW
Humidity
74%
Dew Point
21°
Pressure
29.22 inHg
Visibility
10 mi
UV Index
1.2
Cloud Cover
48%
Sunrise
5:46 AM
Sunset
8:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Carroll County is currently rain at 29°C. Precipitation is likely — peak probability 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 1433 J/kg) — isolated convective development possible. Sunrise: 5:46AM · Sunset: 8:38PM.

62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
52%
9 PM
25°
61%
10 PM
24°
50%
11 PM
24°
48%
12 AM
24°
37%
1 AM
23°
29%
2 AM
23°
11%
3 AM
22°
11%
4 AM
22°
26%
5 AM
20°
12%
6 AM
21°
9%
7 AM
21°
5%
8 AM
22°
18%
9 AM
25°
22%
10 AM
26°
33%
11 AM
27°
44%
12 PM
28°
44%
1 PM
31°
45%
2 PM
31°
45%
3 PM
33°
46%
4 PM
33°
46%
5 PM
32°
68%
6 PM
30°
81%
7 PM
28°
90%
7-Day Forecast
Tonight
37° 20°
Rain, 52% chance.
Sun
33° 20°
Partly Cloudy with a 90% chance of rain.
Mon
29° 20°
Overcast with a 85% chance of rain.
Tue
28° 18°
Mostly Cloudy with a 60% chance of rain.
Wed
27° 17°
Partly Cloudy with a 37% chance of rain.
Thu
32° 19°
Rain, 70% chance.
Fri
33° 20°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Rain 52% 6 mph SW 74%
9 PM 25° Mostly Cloudy 61% 5 mph SW 82%
10 PM 24° Rain 50% 7 mph W 84%
11 PM 24° Mostly Cloudy 48% 8 mph WSW 88%
12 AM 24° Mostly Cloudy 37% 6 mph W 88%
1 AM 23° Mostly Cloudy 29% 4 mph W 88%
2 AM 23° Mostly Cloudy 11% 4 mph SSW 87%
3 AM 22° Mostly Cloudy 11% 3 mph SW 88%
4 AM 22° Mostly Cloudy 26% 3 mph WNW 89%
5 AM 20° Mostly Cloudy 12% 4 mph NW 89%
6 AM 21° Mostly Cloudy 9% 2 mph NNW 88%
7 AM 21° Mostly Cloudy 5% 3 mph NE 86%
8 AM 22° Drizzle 18% 4 mph E 82%
9 AM 25° Drizzle 22% 4 mph E 76%
10 AM 26° Partly Cloudy 33% 4 mph ESE 71%
11 AM 27° Partly Cloudy 44% 3 mph ESE 66%
12 PM 28° Partly Cloudy 44% 4 mph SE 63%
1 PM 31° Mostly Clear 45% 4 mph SE 59%
2 PM 31° Mostly Clear 45% 4 mph SE 56%
3 PM 33° Mostly Clear 46% 5 mph SE 55%
4 PM 33° Partly Cloudy 46% 5 mph ESE 54%
5 PM 32° Partly Cloudy 68% 6 mph ESE 55%
6 PM 30° Mostly Cloudy 81% 6 mph ESE 62%
7 PM 28° Mostly Cloudy 90% 7 mph ESE 70%
15-Day Forecast
Today
7/4
Rain
52%
20°
37°
Sun
7/5
Partly Cloudy
90%
20°
33°
Mon
7/6
Overcast
85%
20°
29°
Tue
7/7
Mostly Cloudy
60%
18°
28°
Wed
7/8
Partly Cloudy
37%
17°
27°
Thu
7/9
Rain
70%
19°
32°
Fri
7/10
Rain
82%
20°
33°
Sat
7/11
Drizzle
53%
18°
31°
Sun
7/12
Drizzle
44%
17°
29°
Mon
7/13
Rain
63%
16°
30°
Tue
7/14
Drizzle
60%
18°
32°
Wed
7/15
Rain
90%
18°
32°
Thu
7/16
Rain
90%
19°
32°
Fri
7/17
Drizzle
60%
19°
32°
Sat
7/18
Drizzle
60%
19°
32°
62
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
62 AQI 14.8 µg/m³
O3
Ground-level ozone
49 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 62 Moderate 49 62
Mon 53 Moderate 50 53
Tue 43 Good 42 43
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 Sat Jul 4, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1313 J/kg
MLCAPE851 J/kg
MUCAPE1313 J/kg
SBCIN-349 J/kg
MLCIN0 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear24 kt
0–1 km Shear9 kt
Eff. Shear17 kt
0–1 km SRH-21
0–3 km SRH-63
Eff. SRH-43
Storm Motion212° @ 24 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.3
Thermo & Levels
PWAT1.52 in
0–3 km LR6.3 °C/km
700–500 LR6.2 °C/km
Total Totals51.2
LCL886 hPa
LFC737 hPa
EL174 hPa
Freezing Lvl14,567 ft