Heat Advisory — Lamar, TX, Delta, TX, Hopkins, TX, Van Zandt, TX, Rains, TX, Henderson, TX, Freestone, TX, Anderson, TX, Bell, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX 9:00 PM

Henderson County, Texas, United States

Last updated: 8:31 PM CDT  ·  Refresh
36°C
Feels like 36°
Clear
▲ 41°  /  ▼ 23°
Wind
8 mph S
Humidity
27%
Dew Point
14°
Pressure
29.37 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
6:53 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henderson County is currently clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 522 J/kg) — isolated convective development possible. Sunrise: 6:53AM · Sunset: 7:57PM.

Alerts

Heat Advisory
Lamar, TX, Delta, TX, Hopkins, TX, Van Zandt, TX, Rains, TX, Henderson, TX, Freestone, TX, Anderson, TX, Bell, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX
Expires 9:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
10%
9 PM
34°
15%
10 PM
33°
15%
11 PM
32°
9%
12 AM
31°
11%
1 AM
30°
7%
2 AM
29°
7%
3 AM
28°
7%
4 AM
28°
7%
5 AM
24°
7%
6 AM
23°
6%
7 AM
23°
18%
8 AM
24°
6%
9 AM
25°
3%
10 AM
27°
3%
11 AM
28°
3%
12 PM
30°
3%
1 PM
33°
3%
2 PM
34°
3%
3 PM
38°
3%
4 PM
38°
5%
5 PM
38°
5%
6 PM
37°
5%
7 PM
37°
5%
7-Day Forecast
Tonight
41° 23°
Clear.
Tue
39° 23°
Mostly Cloudy.
Wed
41° 23°
Partly Cloudy.
Thu
39° 23°
Mostly Clear with a 58% chance of rain.
Fri
39° 22°
Mostly Clear with a 26% chance of rain.
Sat
39° 23°
Clear.
Sun
39° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 10% 8 mph S 27%
9 PM 34° Clear 15% 10 mph S 30%
10 PM 33° Clear 15% 11 mph S 35%
11 PM 32° Clear 9% 12 mph S 39%
12 AM 31° Clear 11% 13 mph S 44%
1 AM 30° Clear 7% 13 mph SSW 48%
2 AM 29° Mostly Clear 7% 12 mph SSW 54%
3 AM 28° Partly Cloudy 7% 12 mph SSW 60%
4 AM 28° Partly Cloudy 7% 12 mph SSW 65%
5 AM 24° Mostly Cloudy 7% 10 mph SSW 70%
6 AM 23° Mostly Cloudy 6% 9 mph SSW 75%
7 AM 23° Rain 18% 8 mph SSW 76%
8 AM 24° Mostly Cloudy 6% 9 mph SSW 73%
9 AM 25° Mostly Cloudy 3% 10 mph SW 68%
10 AM 27° Mostly Cloudy 3% 10 mph SW 62%
11 AM 28° Mostly Cloudy 3% 9 mph SW 54%
12 PM 30° Mostly Cloudy 3% 9 mph SSW 47%
1 PM 33° Partly Cloudy 3% 9 mph SSW 41%
2 PM 34° Partly Cloudy 3% 10 mph SSW 34%
3 PM 38° Partly Cloudy 3% 10 mph SSW 29%
4 PM 38° Partly Cloudy 5% 10 mph SSW 26%
5 PM 38° Partly Cloudy 5% 10 mph SSW 27%
6 PM 37° Partly Cloudy 5% 10 mph SSW 28%
7 PM 37° Partly Cloudy 5% 10 mph SSW 30%
15-Day Forecast
Today
8/24
Clear
10%
23°
41°
Tue
8/25
Mostly Cloudy
7%
23°
39°
Wed
8/26
Partly Cloudy
19%
23°
41°
Thu
8/27
Mostly Clear
58%
23°
39°
Fri
8/28
Mostly Clear
26%
22°
39°
Sat
8/29
Clear
14%
23°
39°
Sun
8/30
Clear
7%
23°
39°
Mon
8/31
Clear
19%
23°
38°
Tue
9/1
Clear
20%
23°
38°
Wed
9/2
Rain
46%
23°
39°
Thu
9/3
Clear
26%
23°
38°
Fri
9/4
Clear
25%
24°
39°
Sat
9/5
Drizzle
60%
24°
39°
Sun
9/6
Clear
25%
24°
38°
Mon
9/7
Drizzle
60%
23°
37°
57
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
57 AQI 12.4 µg/m³
O3
Ground-level ozone
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 48 57
Wed 53 Moderate 44 53
Thu 52 Moderate 46 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 Mon Aug 24, 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
SBCAPE2 J/kg
MLCAPE4 J/kg
MUCAPE11 J/kg
SBCIN-590 J/kg
MLCIN0 J/kg
Lifted Index0.5
Kinematics
0–6 km Shear21 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH-1
0–3 km SRH66
Eff. SRH—
Storm Motion62° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index24.0
Thermo & Levels
PWAT1.36 in
0–3 km LR7.5 °C/km
700–500 LR7.1 °C/km
Total Totals45.9
LCL719 hPa
LFC480 hPa
EL447 hPa
Freezing Lvl16,283 ft