Mason County, Texas, United States

Last updated: 7:10 AM CDT  ·  Refresh
23°C
Feels like 26°
Clear
▲ 36°  /  ▼ 23°
Wind
4 mph S
Humidity
86%
Dew Point
21°
Pressure
28.37 inHg
Visibility
10 mi
UV Index
1.1
Cloud Cover
2%
Sunrise
6:59 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mason County is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1472 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 8:23PM.

Alerts

No active alerts for this location.
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
8%
8 AM
23°
8%
9 AM
25°
3%
10 AM
27°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
34°
4%
3 PM
34°
4%
4 PM
35°
7%
5 PM
34°
7%
6 PM
36°
7%
7 PM
35°
7%
8 PM
33°
7%
9 PM
32°
7%
10 PM
29°
4%
11 PM
29°
4%
12 AM
28°
4%
1 AM
28°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
25°
3%
6 AM
23°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Tue
37° 23°
Clear.
Wed
37° 22°
Clear.
Thu
36° 21°
Clear.
Fri
38° 22°
Mostly Clear.
Sat
38° 23°
Mostly Clear.
Sun
39° 20°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 8% 4 mph S 86%
8 AM 23° Clear 8% 5 mph S 78%
9 AM 25° Clear 3% 7 mph S 71%
10 AM 27° Clear 3% 8 mph S 63%
11 AM 29° Clear 3% 8 mph S 56%
12 PM 31° Clear 3% 9 mph S 50%
1 PM 32° Clear 3% 9 mph SSE 45%
2 PM 34° Mostly Clear 4% 10 mph SSE 43%
3 PM 34° Mostly Clear 4% 11 mph SSE 40%
4 PM 35° Mostly Clear 7% 12 mph SSE 38%
5 PM 34° Mostly Clear 7% 13 mph SSE 40%
6 PM 36° Mostly Clear 7% 13 mph SSE 41%
7 PM 35° Mostly Clear 7% 13 mph SSE 43%
8 PM 33° Mostly Clear 7% 11 mph SSE 48%
9 PM 32° Mostly Clear 7% 10 mph SSE 52%
10 PM 29° Clear 4% 9 mph SSE 57%
11 PM 29° Mostly Clear 4% 9 mph SSE 60%
12 AM 28° Mostly Clear 4% 10 mph SSE 64%
1 AM 28° Mostly Clear 3% 11 mph S 68%
2 AM 26° Mostly Clear 3% 10 mph S 72%
3 AM 26° Clear 3% 9 mph S 76%
4 AM 25° Clear 3% 9 mph S 79%
5 AM 25° Clear 3% 8 mph S 81%
6 AM 23° Mostly Clear 3% 8 mph S 83%
15-Day Forecast
Today
8/10
Mostly Clear
8%
23°
36°
Tue
8/11
Clear
3%
23°
37°
Wed
8/12
Clear
3%
22°
37°
Thu
8/13
Clear
3%
21°
36°
Fri
8/14
Mostly Clear
7%
22°
38°
Sat
8/15
Mostly Clear
9%
23°
38°
Sun
8/16
Mostly Clear
9%
20°
39°
Mon
8/17
Clear
15%
22°
39°
Tue
8/18
Mostly Clear
3%
23°
38°
Wed
8/19
Mostly Clear
3%
22°
38°
Thu
8/20
Clear
3%
23°
39°
Fri
8/21
Clear
25%
23°
40°
Sat
8/22
Clear
25%
23°
39°
Sun
8/23
Clear
25%
23°
39°
Mon
8/24
Drizzle
60%
23°
39°
31
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
29 AQI 5.3 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 29
Tue 28 Good 28 27
Wed 58 Moderate 26 58
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 Mon Aug 10, 10:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE819 J/kg
MLCAPE721 J/kg
MUCAPE1152 J/kg
SBCIN-145 J/kg
MLCIN0 J/kg
Lifted Index-2.5
Kinematics
0–6 km Shear8 kt
0–1 km Shear8 kt
Eff. Shear8 kt
0–1 km SRH35
0–3 km SRH13
Eff. SRH13
Storm Motion249° @ 16 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.1
Thermo & Levels
PWAT1.58 in
0–3 km LR5.0 °C/km
700–500 LR5.9 °C/km
Total Totals47.4
LCL925 hPa
LFC724 hPa
EL217 hPa
Freezing Lvl14,386 ft