Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM

Somerset County, Maryland, United States

Last updated: 4:04 PM CDT  ·  Refresh
31°C
Feels like 35°
Mostly Clear
▲ 36°  /  ▼ 24°
Wind
9 mph SSW
Humidity
64%
Dew Point
25°
Pressure
29.91 inHg
Visibility
8 mi
UV Index
7.0
Cloud Cover
17%
Sunrise
5:45 AM
Sunset
8:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Somerset County is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2737 J/kg) — isolated convective development possible. Sunrise: 5:45AM · Sunset: 8:29PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
90 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
29%
6 PM
31°
27%
7 PM
31°
32%
8 PM
29°
31%
9 PM
28°
31%
10 PM
28°
25%
11 PM
28°
15%
12 AM
28°
16%
1 AM
27°
16%
2 AM
27°
16%
3 AM
27°
13%
4 AM
27°
13%
5 AM
25°
5%
6 AM
26°
5%
7 AM
26°
3%
8 AM
26°
3%
9 AM
25°
3%
10 AM
26°
3%
11 AM
26°
5%
12 PM
28°
5%
1 PM
29°
5%
2 PM
29°
5%
3 PM
30°
5%
4 PM
30°
10%
7-Day Forecast
Today
36° 24°
Mostly Clear with a 31% chance of rain.
Sun
32° 23°
Partly Cloudy with a 22% chance of rain.
Mon
31° 23°
Overcast with a 75% chance of rain.
Tue
28° 21°
Drizzle, 60% chance.
Wed
28° 20°
Clear.
Thu
29° 22°
Rain, 62% chance.
Fri
31° 23°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 29% 9 mph SSW 64%
6 PM 31° Partly Cloudy 27% 6 mph SW 62%
7 PM 31° Partly Cloudy 32% 10 mph W 65%
8 PM 29° Partly Cloudy 31% 15 mph W 69%
9 PM 28° Mostly Cloudy 31% 13 mph WNW 72%
10 PM 28° Mostly Cloudy 25% 9 mph W 74%
11 PM 28° Mostly Cloudy 15% 7 mph SSE 75%
12 AM 28° Mostly Cloudy 16% 5 mph SSW 76%
1 AM 27° Mostly Cloudy 16% 5 mph W 77%
2 AM 27° Mostly Cloudy 16% 6 mph WNW 79%
3 AM 27° Partly Cloudy 13% 6 mph NNW 80%
4 AM 27° Partly Cloudy 13% 5 mph N 80%
5 AM 25° Partly Cloudy 5% 8 mph ENE 81%
6 AM 26° Partly Cloudy 5% 8 mph ESE 81%
7 AM 26° Partly Cloudy 3% 7 mph SE 82%
8 AM 26° Mostly Cloudy 3% 8 mph SE 81%
9 AM 25° Partly Cloudy 3% 8 mph SE 78%
10 AM 26° Partly Cloudy 3% 8 mph SSE 76%
11 AM 26° Partly Cloudy 5% 8 mph SSE 74%
12 PM 28° Partly Cloudy 5% 7 mph SSE 73%
1 PM 29° Partly Cloudy 5% 7 mph SSE 71%
2 PM 29° Partly Cloudy 5% 7 mph SSE 70%
3 PM 30° Mostly Clear 5% 9 mph SSE 69%
4 PM 30° Clear 10% 10 mph SE 69%
15-Day Forecast
Today
7/4
Mostly Clear
31%
24°
36°
Sun
7/5
Partly Cloudy
22%
23°
32°
Mon
7/6
Overcast
75%
23°
31°
Tue
7/7
Drizzle
60%
21°
28°
Wed
7/8
Clear
16%
20°
28°
Thu
7/9
Rain
62%
22°
29°
Fri
7/10
Drizzle
60%
23°
31°
Sat
7/11
Rain
69%
23°
30°
Sun
7/12
Drizzle
44%
22°
29°
Mon
7/13
Rain
68%
21°
29°
Tue
7/14
Drizzle
64%
21°
26°
Wed
7/15
Rain
90%
21°
26°
Thu
7/16
Drizzle
60%
22°
27°
Fri
7/17
Drizzle
60%
22°
27°
Sat
7/18
Drizzle
60%
22°
27°
90
Moderate
U.S. Air Quality Index · Dominant: O3
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
65 AQI 16.6 µg/m³
O3
Ground-level ozone
Dominant
90 AQI 68 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 90 Moderate 90 65
Mon 54 Moderate 49 54
Tue 47 Good 40 47
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, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3644 J/kg
MLCAPE2482 J/kg
MUCAPE3644 J/kg
SBCIN-248 J/kg
MLCIN0 J/kg
Lifted Index-8.3
Kinematics
0–6 km Shear15 kt
0–1 km Shear3 kt
Eff. Shear16 kt
0–1 km SRH-8
0–3 km SRH-69
Eff. SRH-69
Storm Motion226° @ 24 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.9
Thermo & Levels
PWAT1.59 in
0–3 km LR6.1 °C/km
700–500 LR6.7 °C/km
Total Totals50.7
LCL927 hPa
LFC774 hPa
EL149 hPa
Freezing Lvl14,678 ft