Extreme Heat Warning — Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, TX, Young, TX, Jack, TX, Wise, TX, Denton, TX, Collin, TX, Hunt, TX, Delta, TX, Hopkins, TX, Stephens, TX, Palo Pinto, TX, Parker, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Eastland, TX, Erath, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Comanche, TX, Mills, TX, Hamilton, TX, Bosque, TX, Hill, TX, Navarro, TX, Freestone, TX, Anderson, TX, Lampasas, TX, Coryell, TX, Bell, TX, McLennan, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX 9:00 PM

Lamar County, Texas, United States

Last updated: 8:32 PM CDT  ·  Refresh
36°C
Feels like 37°
Clear
▲ 41°  /  ▼ 24°
Wind
6 mph ESE
Humidity
37%
Dew Point
18°
Pressure
29.32 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:50 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lamar County is currently clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1185 J/kg) — isolated convective development possible. Sunrise: 6:50AM · Sunset: 7:59PM.

Alerts

Extreme Heat Warning
Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, TX, Young, TX, Jack, TX, Wise, TX, Denton, TX, Collin, TX, Hunt, TX, Delta, TX, Hopkins, TX, Stephens, TX, Palo Pinto, TX, Parker, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Eastland, TX, Erath, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Comanche, TX, Mills, TX, Hamilton, TX, Bosque, TX, Hill, TX, Navarro, TX, Freestone, TX, Anderson, TX, Lampasas, TX, Coryell, TX, Bell, TX, McLennan, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX
Expires 9:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
12%
9 PM
33°
9%
10 PM
32°
9%
11 PM
31°
9%
12 AM
30°
7%
1 AM
29°
7%
2 AM
29°
7%
3 AM
28°
7%
4 AM
28°
18%
5 AM
24°
18%
6 AM
24°
23%
7 AM
25°
23%
8 AM
27°
24%
9 AM
27°
34%
10 AM
29°
35%
11 AM
31°
24%
12 PM
32°
25%
1 PM
35°
25%
2 PM
36°
20%
3 PM
38°
20%
4 PM
38°
8%
5 PM
38°
9%
6 PM
36°
9%
7 PM
36°
9%
7-Day Forecast
Tonight
41° 24°
Clear.
Mon
38° 24°
Mostly Cloudy with a 24% chance of rain.
Tue
38° 24°
Partly Cloudy with a 30% chance of rain.
Wed
37° 24°
Partly Cloudy with a 28% chance of rain.
Thu
38° 23°
Mostly Clear with a 28% chance of rain.
Fri
38° 22°
Clear with a 22% chance of rain.
Sat
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 12% 6 mph ESE 37%
9 PM 33° Clear 9% 8 mph ESE 40%
10 PM 32° Clear 9% 8 mph SE 43%
11 PM 31° Clear 9% 8 mph SE 46%
12 AM 30° Mostly Clear 7% 8 mph SE 48%
1 AM 29° Mostly Clear 7% 8 mph SE 50%
2 AM 29° Mostly Clear 7% 7 mph SE 53%
3 AM 28° Partly Cloudy 7% 6 mph SE 55%
4 AM 28° Partly Cloudy 18% 6 mph SE 57%
5 AM 24° Partly Cloudy 18% 6 mph SSE 58%
6 AM 24° Partly Cloudy 23% 6 mph SSE 60%
7 AM 25° Partly Cloudy 23% 6 mph SSE 58%
8 AM 27° Partly Cloudy 24% 6 mph S 51%
9 AM 27° Partly Cloudy 34% 8 mph SSW 44%
10 AM 29° Partly Cloudy 35% 9 mph SSW 40%
11 AM 31° Mostly Cloudy 24% 9 mph SSW 36%
12 PM 32° Mostly Cloudy 25% 8 mph SSW 33%
1 PM 35° Mostly Cloudy 25% 8 mph SSW 31%
2 PM 36° Mostly Cloudy 20% 10 mph SSW 29%
3 PM 38° Mostly Cloudy 20% 11 mph S 28%
4 PM 38° Mostly Cloudy 8% 11 mph S 30%
5 PM 38° Partly Cloudy 9% 11 mph S 35%
6 PM 36° Partly Cloudy 9% 12 mph S 41%
7 PM 36° Partly Cloudy 9% 12 mph S 44%
15-Day Forecast
Today
8/23
Clear
12%
24°
41°
Mon
8/24
Mostly Cloudy
24%
24°
38°
Tue
8/25
Partly Cloudy
30%
24°
38°
Wed
8/26
Partly Cloudy
28%
24°
37°
Thu
8/27
Mostly Clear
28%
23°
38°
Fri
8/28
Clear
22%
22°
38°
Sat
8/29
Clear
15%
23°
38°
Sun
8/30
Clear
8%
24°
38°
Mon
8/31
Clear
35%
23°
38°
Tue
9/1
Clear
15%
24°
38°
Wed
9/2
Clear
60%
24°
42°
Thu
9/3
Clear
60%
24°
41°
Fri
9/4
Clear
60%
24°
36°
Sat
9/5
Drizzle
60%
24°
36°
Sun
9/6
Drizzle
60%
24°
35°
53
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
48 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 48 53
Tue 55 Moderate 51 55
Wed 50 Good 50 49
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 Sun Aug 23, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE947 J/kg
MLCAPE481 J/kg
MUCAPE947 J/kg
SBCIN-329 J/kg
MLCIN-198 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear28 kt
0–1 km Shear7 kt
Eff. Shear32 kt
0–1 km SRH28
0–3 km SRH135
Eff. SRH163
Storm Motion28° @ 15 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell2.5
K-Index30.1
Thermo & Levels
PWAT1.51 in
0–3 km LR7.6 °C/km
700–500 LR6.4 °C/km
Total Totals47.0
LCL772 hPa
LFC653 hPa
EL174 hPa
Freezing Lvl16,158 ft