Flood Warning — East Baton Rouge County, LA Areal Flood Warning — Anne Arundel County, MD, Howard County, MD 5:30 AM Excessive Heat Warning — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS 8:00 PM

Howard County, MD

Last updated: 2:24 AM CDT  ·  Refresh
27°C
Feels like 30°
Clear
▲ 36°  /  ▼ 26°
Wind
4 mph N
Humidity
88%
Dew Point
25°
Pressure
29.75 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:17 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Howard County is currently clear at 27°C. Precipitation is likely — peak probability 58% around 2 AM. Atmospheric instability is elevated (CAPE up to 1920 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 8:05PM.

59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
3 AM
27°
3%
4 AM
27°
3%
5 AM
25°
3%
6 AM
25°
3%
7 AM
25°
3%
8 AM
27°
9%
9 AM
29°
12%
10 AM
30°
12%
11 AM
32°
20%
12 PM
33°
25%
1 PM
34°
25%
2 PM
34°
25%
3 PM
34°
35%
4 PM
34°
27%
5 PM
34°
27%
6 PM
34°
18%
7 PM
33°
14%
8 PM
32°
24%
9 PM
31°
29%
10 PM
30°
34%
11 PM
30°
36%
12 AM
30°
36%
1 AM
30°
38%
7-Day Forecast
Today
36° 26°
Mostly Clear with a 27% chance of rain.
Thu
33° 25°
Partly Cloudy with a 66% chance of rain.
Fri
36° 24°
Partly Cloudy with a 42% chance of rain.
Sat
33° 24°
Overcast with a 53% chance of rain.
Sun
35° 24°
Clear.
Mon
35° 24°
Clear.
Tue
36° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 11% 4 mph N 88%
3 AM 27° Clear 3% 4 mph N 87%
4 AM 27° Clear 3% 4 mph N 86%
5 AM 25° Clear 3% 4 mph N 86%
6 AM 25° Clear 3% 5 mph N 86%
7 AM 25° Clear 3% 7 mph N 83%
8 AM 27° Clear 9% 8 mph N 77%
9 AM 29° Clear 12% 10 mph N 70%
10 AM 30° Clear 12% 11 mph N 64%
11 AM 32° Mostly Clear 20% 12 mph N 61%
12 PM 33° Mostly Clear 25% 14 mph N 57%
1 PM 34° Mostly Clear 25% 15 mph NNE 54%
2 PM 34° Partly Cloudy 25% 14 mph NNE 55%
3 PM 34° Partly Cloudy 35% 14 mph NNE 56%
4 PM 34° Mostly Cloudy 27% 14 mph NNE 57%
5 PM 34° Partly Cloudy 27% 14 mph NE 60%
6 PM 34° Partly Cloudy 18% 13 mph NE 63%
7 PM 33° Partly Cloudy 14% 12 mph NE 68%
8 PM 32° Mostly Clear 24% 12 mph NE 72%
9 PM 31° Mostly Clear 29% 12 mph NE 76%
10 PM 30° Mostly Clear 34% 12 mph ENE 79%
11 PM 30° Partly Cloudy 36% 11 mph ENE 81%
12 AM 30° Partly Cloudy 36% 11 mph ENE 83%
1 AM 30° Partly Cloudy 38% 11 mph E 84%
15-Day Forecast
Today
7/22
Mostly Clear
27%
26°
36°
Thu
7/23
Partly Cloudy
66%
25°
33°
Fri
7/24
Partly Cloudy
42%
24°
36°
Sat
7/25
Overcast
53%
24°
33°
Sun
7/26
Clear
16%
24°
35°
Mon
7/27
Clear
8%
24°
35°
Tue
7/28
Clear
8%
24°
36°
Wed
7/29
Drizzle
43%
24°
36°
Thu
7/30
Drizzle
44%
24°
36°
Fri
7/31
Drizzle
51%
24°
35°
Sat
8/1
Drizzle
60%
24°
35°
Sun
8/2
Drizzle
60%
24°
34°
Mon
8/3
Drizzle
60%
24°
34°
Tue
8/4
Drizzle
60%
24°
33°
Wed
8/5
Drizzle
60%
24°
34°
59
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
59 AQI 13.4 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 59 Moderate 28 59
Thu 51 Moderate 26 51
Fri 41 Good 33 41
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, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1475 J/kg
MLCAPE1450 J/kg
MUCAPE1757 J/kg
SBCIN-114 J/kg
MLCIN0 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear27 kt
0–1 km Shear6 kt
Eff. Shear26 kt
0–1 km SRH-23
0–3 km SRH-49
Eff. SRH-49
Storm Motion355° @ 30 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.9
Thermo & Levels
PWAT2.28 in
0–3 km LR4.9 °C/km
700–500 LR4.8 °C/km
Total Totals43.4
LCL981 hPa
LFC798 hPa
EL144 hPa
Freezing Lvl18,205 ft