Severe Thunderstorm Watch 9:00 PM

Carroll County, Maryland, United States

Last updated: 8:24 PM CDT  ·  Refresh
24°C
Feels like 26°
Mostly Cloudy
▲ 37°  /  ▼ 19°
Wind
5 mph SW
Humidity
81%
Dew Point
20°
Pressure
29.25 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
84%
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 mostly cloudy at 24°C. Precipitation is likely — peak probability 90% around 9 PM. Atmospheric instability is elevated (CAPE up to 1385 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
24°
65%
10 PM
23°
66%
11 PM
22°
65%
12 AM
22°
52%
1 AM
22°
45%
2 AM
22°
11%
3 AM
22°
11%
4 AM
21°
11%
5 AM
19°
11%
6 AM
20°
8%
7 AM
21°
5%
8 AM
22°
21%
9 AM
24°
29%
10 AM
26°
35%
11 AM
27°
43%
12 PM
28°
44%
1 PM
31°
44%
2 PM
32°
45%
3 PM
32°
45%
4 PM
33°
46%
5 PM
32°
67%
6 PM
30°
72%
7 PM
28°
80%
8 PM
27°
81%
7-Day Forecast
Tonight
37° 19°
Mostly Cloudy with a 65% chance of rain.
Sun
33° 19°
Mostly Cloudy with a 90% chance of rain.
Mon
29° 19°
Overcast with a 85% chance of rain.
Tue
27° 17°
Overcast with a 60% chance of rain.
Wed
28° 17°
Clear with a 37% chance of rain.
Thu
32° 19°
Drizzle, 70% chance.
Fri
33° 19°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 65% 5 mph SW 81%
10 PM 23° Drizzle 66% 5 mph W 86%
11 PM 22° Heavy Rain 65% 6 mph WNW 88%
12 AM 22° Overcast 52% 6 mph NW 88%
1 AM 22° Mostly Cloudy 45% 4 mph WNW 88%
2 AM 22° Mostly Cloudy 11% 3 mph WNW 89%
3 AM 22° Mostly Cloudy 11% 3 mph NW 89%
4 AM 21° Mostly Cloudy 11% 3 mph NW 90%
5 AM 19° Mostly Cloudy 11% 3 mph NW 90%
6 AM 20° Mostly Cloudy 8% 3 mph ESE 88%
7 AM 21° Partly Cloudy 5% 4 mph SE 86%
8 AM 22° Partly Cloudy 21% 4 mph SE 82%
9 AM 24° Rain 29% 4 mph SE 76%
10 AM 26° Mostly Cloudy 35% 3 mph SE 71%
11 AM 27° Mostly Cloudy 43% 3 mph SE 66%
12 PM 28° Mostly Cloudy 44% 4 mph SSE 63%
1 PM 31° Partly Cloudy 44% 4 mph SSE 59%
2 PM 32° Partly Cloudy 45% 5 mph SSE 56%
3 PM 32° Partly Cloudy 45% 5 mph SE 54%
4 PM 33° Mostly Cloudy 46% 6 mph SE 53%
5 PM 32° Mostly Cloudy 67% 6 mph SE 55%
6 PM 30° Mostly Cloudy 72% 6 mph SE 63%
7 PM 28° Overcast 80% 6 mph SE 70%
8 PM 27° Rain 81% 6 mph SE 77%
15-Day Forecast
Today
7/4
Mostly Cloudy
65%
19°
37°
Sun
7/5
Mostly Cloudy
90%
19°
33°
Mon
7/6
Overcast
85%
19°
29°
Tue
7/7
Overcast
60%
17°
27°
Wed
7/8
Clear
37%
17°
28°
Thu
7/9
Drizzle
70%
19°
32°
Fri
7/10
Rain
71%
19°
33°
Sat
7/11
Drizzle
53%
18°
30°
Sun
7/12
Drizzle
44%
17°
29°
Mon
7/13
Drizzle
44%
15°
30°
Tue
7/14
Drizzle
51%
18°
33°
Wed
7/15
Drizzle
60%
19°
33°
Thu
7/16
Drizzle
60%
18°
33°
Fri
7/17
Drizzle
60%
18°
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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE250 J/kg
MLCAPE620 J/kg
MUCAPE1483 J/kg
SBCIN-443 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear16 kt
0–1 km Shear18 kt
Eff. Shear13 kt
0–1 km SRH-44
0–3 km SRH-53
Eff. SRH-52
Storm Motion209° @ 27 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT1.85 in
0–3 km LR5.1 °C/km
700–500 LR6.1 °C/km
Total Totals49.5
LCL938 hPa
LFC691 hPa
EL390 hPa
Freezing Lvl13,698 ft