Matagorda Island National Wildlife Refuge, Calhoun County, Texas, United States

Last updated: 4:56 AM CDT  ·  Refresh
28°C
Feels like 34°
Mostly Clear
▲ 31°  /  ▼ 28°
Wind
13 mph SSW
Humidity
83%
Dew Point
26°
Pressure
29.97 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
26%
Sunrise
7:01 AM
Sunset
7:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Matagorda Island National Wildlife Refuge is currently mostly clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3041 J/kg) — isolated convective development possible. Sunrise: 7:01AM · Sunset: 7:55PM.

Alerts

No active alerts for this location.
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
5 AM
27°
14%
6 AM
27°
14%
7 AM
28°
14%
8 AM
28°
14%
9 AM
30°
14%
10 AM
30°
15%
11 AM
30°
15%
12 PM
31°
3%
1 PM
31°
3%
2 PM
31°
3%
3 PM
31°
3%
4 PM
31°
3%
5 PM
30°
3%
6 PM
30°
3%
7 PM
29°
3%
8 PM
29°
3%
9 PM
29°
3%
10 PM
29°
3%
11 PM
29°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
28°
3%
7-Day Forecast
Today
31° 28°
Mostly Clear.
Wed
32° 28°
Clear.
Thu
32° 27°
Partly Cloudy.
Fri
32° 27°
Partly Cloudy with a 37% chance of rain.
Sat
32° 27°
Thunderstorm, 51% chance.
Sun
32° 27°
Drizzle, 38% chance.
Mon
32° 27°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Clear 3% 13 mph SSW 83%
5 AM 27° Partly Cloudy 14% 13 mph SSW 80%
6 AM 27° Mostly Clear 14% 12 mph SSW 78%
7 AM 28° Clear 14% 11 mph SSW 77%
8 AM 28° Clear 14% 10 mph SSW 75%
9 AM 30° Clear 14% 9 mph SSW 73%
10 AM 30° Clear 15% 8 mph S 73%
11 AM 30° Clear 15% 8 mph S 73%
12 PM 31° Clear 3% 8 mph SSE 73%
1 PM 31° Mostly Clear 3% 9 mph SSE 73%
2 PM 31° Mostly Clear 3% 10 mph SSE 73%
3 PM 31° Mostly Clear 3% 11 mph SE 73%
4 PM 31° Mostly Clear 3% 12 mph SE 74%
5 PM 30° Mostly Clear 3% 13 mph SE 75%
6 PM 30° Clear 3% 14 mph SSE 75%
7 PM 29° Clear 3% 14 mph SSE 75%
8 PM 29° Clear 3% 15 mph SSE 76%
9 PM 29° Clear 3% 16 mph SSE 76%
10 PM 29° Clear 3% 16 mph SSE 77%
11 PM 29° Clear 3% 16 mph S 77%
12 AM 29° Clear 3% 15 mph S 78%
1 AM 28° Clear 3% 15 mph S 78%
2 AM 28° Clear 3% 14 mph S 79%
3 AM 28° Clear 3% 14 mph SSW 79%
15-Day Forecast
Today
8/25
Mostly Clear
15%
28°
31°
Wed
8/26
Clear
3%
28°
32°
Thu
8/27
Partly Cloudy
3%
27°
32°
Fri
8/28
Partly Cloudy
37%
27°
32°
Sat
8/29
Thunderstorm
51%
27°
32°
Sun
8/30
Drizzle
38%
27°
32°
Mon
8/31
Clear
31%
27°
32°
Tue
9/1
Clear
18%
27°
32°
Wed
9/2
Clear
44%
27°
33°
Thu
9/3
Clear
27%
27°
33°
Fri
9/4
Drizzle
60%
27°
34°
Sat
9/5
Drizzle
60%
27°
34°
Sun
9/6
Rain
90%
27°
33°
Mon
9/7
Rain
90%
27°
33°
Tue
9/8
Drizzle
60%
28°
33°
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 10.8 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 24 54
Wed 56 Moderate 22 56
Thu 52 Moderate 27 52
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 Tue Aug 25, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3244 J/kg
MLCAPE2035 J/kg
MUCAPE3244 J/kg
SBCIN-29 J/kg
MLCIN-103 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear32 kt
0–1 km Shear7 kt
Eff. Shear25 kt
0–1 km SRH-45
0–3 km SRH22
Eff. SRH22
Storm Motion128° @ 25 kt
0–1 km EHI-0.9
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell0.9
K-Index14.6
Thermo & Levels
PWAT1.66 in
0–3 km LR5.0 °C/km
700–500 LR6.9 °C/km
Total Totals42.1
LCL971 hPa
LFC784 hPa
EL140 hPa
Freezing Lvl16,325 ft