Severe Thunderstorm Watch 11:00 PM Areal Flood Watch 1:00 AM

Carroll County, Maryland, United States

Last updated: 10:32 PM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Cloudy
▲ 28°  /  ▼ 19°
Wind
9 mph SSW
Humidity
94%
Dew Point
20°
Pressure
29.04 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
83%
Sunrise
5:58 AM
Sunset
8:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Carroll County is currently mostly cloudy at 21°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 932 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:30PM.

Alerts

Severe Thunderstorm Watch
Expires 11:00 PM
Areal Flood Watch
Expires 1:00 AM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
25%
12 AM
20°
22%
1 AM
20°
13%
2 AM
20°
6%
3 AM
20°
7%
4 AM
20°
10%
5 AM
19°
18%
6 AM
19°
22%
7 AM
21°
8%
8 AM
22°
11%
9 AM
23°
13%
10 AM
24°
20%
11 AM
24°
24%
12 PM
25°
23%
1 PM
26°
6%
2 PM
27°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
26°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
23°
3%
9 PM
22°
3%
10 PM
21°
3%
7-Day Forecast
Tonight
28° 19°
Mostly Cloudy with a 25% chance of rain.
Wed
27° 17°
Mostly Clear with a 24% chance of rain.
Thu
26° 14°
Clear.
Fri
27° 14°
Overcast with a 32% chance of rain.
Sat
27° 16°
Clear.
Sun
29° 17°
Rain, 70% chance.
Mon
31° 19°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 25% 9 mph SSW 94%
12 AM 20° Mostly Cloudy 22% 10 mph SSW 94%
1 AM 20° Partly Cloudy 13% 10 mph SSW 94%
2 AM 20° Partly Cloudy 6% 8 mph SW 95%
3 AM 20° Mostly Clear 7% 8 mph SW 96%
4 AM 20° Partly Cloudy 10% 7 mph SW 96%
5 AM 19° Partly Cloudy 18% 7 mph SW 96%
6 AM 19° Mostly Clear 22% 7 mph SW 95%
7 AM 21° Mostly Clear 8% 7 mph SW 93%
8 AM 22° Mostly Clear 11% 8 mph WSW 88%
9 AM 23° Mostly Clear 13% 9 mph W 80%
10 AM 24° Mostly Clear 20% 10 mph W 73%
11 AM 24° Mostly Clear 24% 11 mph W 67%
12 PM 25° Partly Cloudy 23% 11 mph W 63%
1 PM 26° Partly Cloudy 6% 12 mph W 58%
2 PM 27° Partly Cloudy 3% 12 mph W 56%
3 PM 26° Mostly Clear 3% 11 mph W 55%
4 PM 26° Mostly Clear 3% 11 mph W 55%
5 PM 26° Mostly Clear 3% 10 mph WNW 57%
6 PM 25° Mostly Clear 3% 9 mph WNW 60%
7 PM 24° Mostly Clear 3% 8 mph NW 63%
8 PM 23° Mostly Clear 3% 8 mph NW 64%
9 PM 22° Mostly Clear 3% 8 mph NW 64%
10 PM 21° Mostly Clear 3% 9 mph NNW 63%
15-Day Forecast
Today
7/21
Mostly Cloudy
25%
19°
28°
Wed
7/22
Mostly Clear
24%
17°
27°
Thu
7/23
Clear
3%
14°
26°
Fri
7/24
Overcast
32%
14°
27°
Sat
7/25
Clear
8%
16°
27°
Sun
7/26
Rain
70%
17°
29°
Mon
7/27
Rain
71%
19°
31°
Tue
7/28
Thunderstorm
63%
17°
31°
Wed
7/29
Drizzle
44%
16°
29°
Thu
7/30
Drizzle
44%
16°
28°
Fri
7/31
Drizzle
60%
16°
28°
Sat
8/1
Drizzle
60%
17°
28°
Sun
8/2
Drizzle
60%
17°
28°
Mon
8/3
Drizzle
60%
18°
30°
Tue
8/4
Drizzle
60%
19°
31°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 37 54
Thu 41 Good 41 21
Fri 41 Good 41 31
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, 02:00'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
SBCAPE25 J/kg
MLCAPE70 J/kg
MUCAPE254 J/kg
SBCIN-263 J/kg
MLCIN0 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear31 kt
0–1 km Shear32 kt
Eff. Shear7 kt
0–1 km SRH-44
0–3 km SRH-19
Eff. SRH18
Storm Motion236° @ 37 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT1.81 in
0–3 km LR4.1 °C/km
700–500 LR6.3 °C/km
Total Totals47.6
LCL967 hPa
LFC562 hPa
EL424 hPa
Freezing Lvl14,314 ft