Hourly Weather | Today Tuesday, December 23, 2025
Active Weather Warnings
McAllen, Texas
4 AM
Cloudy Weather
72°
Feels Like 73°
2
Humidity: 92%
Wind: 6 mph
UV Index: 0
5 AM
Cloudy Weather
72°
Feels Like 73°
2
Humidity: 94%
Wind: 6 mph
UV Index: 0
6 AM
Cloudy Weather
70°
Feels Like 72°
4
Humidity: 95%
Wind: 6 mph
UV Index: 0
7 AM
Cloudy Night
70°
Feels Like 72°
7
Humidity: 92%
Wind: 7 mph
UV Index: 0
8 AM
Cloudy Weather
72°
Feels Like 73°
7
Humidity: 92%
Wind: 7 mph
UV Index: 1
9 AM
Cloudy Weather
73°
Feels Like 77°
6
Humidity: 87%
Wind: 8 mph
UV Index: 2
10 AM
Cloudy Weather
75°
Feels Like 81°
5
Humidity: 80%
Wind: 9 mph
UV Index: 3
11 AM
Cloudy Weather
79°
Feels Like 84°
5
Humidity: 72%
Wind: 10 mph
UV Index: 4
12 PM
Cloudy Weather
82°
Feels Like 86°
8
Humidity: 64%
Wind: 12 mph
UV Index: 4
1 PM
Cloudy Weather
84°
Feels Like 86°
47
Humidity: 58%
Wind: 13 mph
UV Index: 4
2 PM
Sunny with a Chance of Thunderstorms
86°
Feels Like 84°
51
Humidity: 53%
Wind: 13 mph
UV Index: 3
3 PM
Cloudy Weather
84°
Feels Like 84°
47
Humidity: 52%
Wind: 14 mph
UV Index: 2
4 PM
Cloudy Weather
84°
Feels Like 82°
19
Humidity: 54%
Wind: 14 mph
UV Index: 1
5 PM
Cloudy Weather
82°
Feels Like 81°
19
Humidity: 59%
Wind: 13 mph
UV Index: 0
6 PM
Cloudy Night
79°
Feels Like 79°
13
Humidity: 68%
Wind: 12 mph
UV Index: 0
7 PM
Cloudy Night
77°
Feels Like 77°
0
Humidity: 73%
Wind: 12 mph
UV Index: 0
8 PM
Cloudy Night
75°
Feels Like 75°
0
Humidity: 79%
Wind: 10 mph
UV Index: 0
9 PM
Cloudy Night
73°
Feels Like 73°
0
Humidity: 82%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy Night
72°
Feels Like 73°
0
Humidity: 86%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
72°
Feels Like 73°
0
Humidity: 88%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.19 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 2.25 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.24 µg/m³
  • PM10: 2.27 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 2.32 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 2.39 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 2.48 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 2.52 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.37 µg/m³
  • PM10: 2.61 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 3.11 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.17 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.32 µg/m³
  • PM10: 3.33 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.6 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.72 µg/m³
  • PM10: 4.35 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.98 µg/m³
  • PM10: 5.57 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.19 µg/m³
  • PM10: 6.69 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 7.43 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 8.19 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for McAllen

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued December 22 at 10:32PM CST by NWS Brownsville TX
Dec 22, 10:32 PM Dec 23, 7:00 AM
Patchy fog and dense fog are expected to develop across portions
of Deep South Texas and the Rio Grande Valley overnight and into
Tuesday morning. Visibility may be reduced to less than 2 miles
at times, with locally dense fog to one-quarter mile or less
late. A Dense Fog Advisory may be needed if dense fog becomes
widespread.

Use caution if traveling as visibility may change rapidly in a
short amount of time. Use low beam headlights and leave extra
distance between your vehicle and others on the road.
Updated: Dec 23, 2:22 AM Source: NWS Alert