Heat Advisory — Fisher, TX, Nolan, TX, Sterling, TX, Coke, TX, Runnels, TX, Irion, TX, Tom Green, TX, Concho, TX, Haskell, TX, Throckmorton, TX, Jones, TX, Shackelford, TX, Taylor, TX, Callahan, TX, Coleman, TX, Brown, TX, McCulloch, TX, San Saba, TX, Mason, TX 8:00 PM

Callahan County, Texas, United States

Last updated: 3:38 AM CDT  ·  Refresh
82°F
Feels like 81°
Clear
▲ 105°  /  ▼ 75°
Wind
14 mph SSW
Humidity
36%
Dew Point
53°
Pressure
28.02 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
7:07 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Callahan County is currently clear at 82°F. Dry conditions are expected through the next 24 hours. Sunrise: 7:07AM · Sunset: 8:10PM.

Alerts

Heat Advisory
Fisher, TX, Nolan, TX, Sterling, TX, Coke, TX, Runnels, TX, Irion, TX, Tom Green, TX, Concho, TX, Haskell, TX, Throckmorton, TX, Jones, TX, Shackelford, TX, Taylor, TX, Callahan, TX, Coleman, TX, Brown, TX, McCulloch, TX, San Saba, TX, Mason, TX
Expires 8:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
82°
3%
4 AM
80°
3%
5 AM
74°
3%
6 AM
73°
3%
7 AM
74°
3%
8 AM
78°
3%
9 AM
84°
3%
10 AM
88°
3%
11 AM
91°
3%
12 PM
95°
3%
1 PM
100°
3%
2 PM
102°
3%
3 PM
103°
3%
4 PM
103°
3%
5 PM
105°
3%
6 PM
104°
3%
7 PM
101°
3%
8 PM
98°
5%
9 PM
94°
5%
10 PM
88°
15%
11 PM
87°
15%
12 AM
86°
15%
1 AM
85°
15%
2 AM
84°
15%
7-Day Forecast
Today
105° 75°
Clear.
Wed
102° 75°
Partly Cloudy with a 31% chance of rain.
Thu
100° 71°
Mostly Cloudy with a 29% chance of rain.
Fri
101° 69°
Clear with a 24% chance of rain.
Sat
104° 73°
Clear.
Sun
104° 75°
Clear.
Mon
102° 72°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 82° Clear 3% 14 mph SSW 36%
4 AM 80° Clear 3% 13 mph SSW 38%
5 AM 74° Clear 3% 11 mph SW 42%
6 AM 73° Clear 3% 10 mph SW 47%
7 AM 74° Clear 3% 11 mph SW 47%
8 AM 78° Clear 3% 13 mph SW 45%
9 AM 84° Mostly Clear 3% 14 mph SW 42%
10 AM 88° Clear 3% 13 mph SW 38%
11 AM 91° Clear 3% 12 mph SW 32%
12 PM 95° Clear 3% 11 mph SW 26%
1 PM 100° Mostly Clear 3% 10 mph SSW 23%
2 PM 102° Clear 3% 10 mph SSW 20%
3 PM 103° Clear 3% 11 mph SSW 18%
4 PM 103° Clear 3% 12 mph S 18%
5 PM 105° Clear 3% 12 mph S 18%
6 PM 104° Clear 3% 12 mph S 19%
7 PM 101° Clear 3% 12 mph S 22%
8 PM 98° Clear 5% 11 mph S 25%
9 PM 94° Clear 5% 11 mph S 27%
10 PM 88° Clear 15% 12 mph S 30%
11 PM 87° Clear 15% 12 mph SSW 31%
12 AM 86° Clear 15% 13 mph SSW 33%
1 AM 85° Clear 15% 12 mph SSW 35%
2 AM 84° Clear 15% 10 mph SSW 37%
15-Day Forecast
Today
8/25
Clear
5%
75°
105°
Wed
8/26
Partly Cloudy
31%
75°
102°
Thu
8/27
Mostly Cloudy
29%
71°
100°
Fri
8/28
Clear
24%
69°
101°
Sat
8/29
Clear
3%
73°
104°
Sun
8/30
Clear
3%
75°
104°
Mon
8/31
Clear
8%
72°
102°
Tue
9/1
Clear
3%
70°
102°
Wed
9/2
Clear
19%
70°
102°
Thu
9/3
Clear
12%
72°
102°
Fri
9/4
Clear
60%
78°
102°
Sat
9/5
Clear
60%
76°
100°
Sun
9/6
Drizzle
60%
75°
98°
Mon
9/7
Drizzle
60%
75°
98°
Tue
9/8
Drizzle
60%
75°
97°
51
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
51 AQI 9.4 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 40 51
Wed 42 Good 42 42
Thu 44 Good 44 38
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 25, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE21 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear25 kt
0–1 km Shear14 kt
Eff. Shear—
0–1 km SRH-50
0–3 km SRH73
Eff. SRH—
Storm Motion114° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index20.5
Thermo & Levels
PWAT1.09 in
0–3 km LR5.0 °C/km
700–500 LR8.0 °C/km
Total Totals42.3
LCL748 hPa
LFC—
EL—
Freezing Lvl14,869 ft