Hourly Weather | Today Sunday, November 23, 2025
Active Weather Warnings
Allen, Texas
1 PM
Cloudy Weather
64°
Feels Like 64°
5
Humidity: 63%
Wind: 9 mph
UV Index: 2
2 PM
Cloudy Weather
64°
Feels Like 64°
5
Humidity: 61%
Wind: 9 mph
UV Index: 2
3 PM
Cloudy Weather
66°
Feels Like 64°
6
Humidity: 61%
Wind: 8 mph
UV Index: 1
4 PM
Cloudy Weather
66°
Feels Like 64°
7
Humidity: 60%
Wind: 8 mph
UV Index: 1
5 PM
Cloudy Weather
64°
Feels Like 63°
7
Humidity: 66%
Wind: 8 mph
UV Index: 0
6 PM
Cloudy Night
61°
Feels Like 59°
11
Humidity: 75%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Weather
57°
Feels Like 55°
19
Humidity: 82%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Weather
57°
Feels Like 55°
19
Humidity: 86%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Weather
57°
Feels Like 55°
24
Humidity: 89%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Weather
57°
Feels Like 55°
43
Humidity: 90%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Weather
57°
Feels Like 55°
47
Humidity: 92%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.45 µg/m³
  • PM10: 11.37 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

2 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.27 µg/m³
  • PM10: 12.04 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

3 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.71 µg/m³
  • PM10: 12.43 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.81 µg/m³
  • PM10: 12.51 µg/m³
  • O3: 0.036 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

5 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.62 µg/m³
  • PM10: 12.32 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

6 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.3 µg/m³
  • PM10: 12.01 µg/m³
  • O3: 0.031 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

7 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.91 µg/m³
  • PM10: 11.64 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

8 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.6 µg/m³
  • PM10: 11.33 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

9 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.44 µg/m³
  • PM10: 11.2 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

10 PM
43 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.38 µg/m³
  • PM10: 11.17 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

11 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.47 µg/m³
  • PM10: 11.3 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Allen

Severe Future Possible

Flood Watch

Flood Watch issued November 23 at 3:55AM CST until November 24 at 6:00PM CST by NWS Fort Worth TX
Nov 23, 6:00 PM Nov 24, 6:00 PM
Multiple rounds of heavy rain are expected to move across the watch
area late this afternoon through Monday afternoon. The flash flood
threat will be greatest tonight through Monday morning, particularly
in areas that received heavy rain last week.

WHAT: Flooding caused by excessive rainfall is possible.

WHERE: Portions of North Texas, including the following counties,
in north central Texas, Collin, Cooke, Dallas, Denton, Eastland,
Fannin, Grayson, Hunt, Jack, Montague, Palo Pinto, Parker,
Rockwall, Stephens, Tarrant, Wise and Young. In northeast Texas,
Delta, Hopkins, Lamar and Rains.

WHEN: From this evening through Monday afternoon.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor-drainage and urban areas.

ADDITIONAL DETAILS:
- Rainfall totals of 1 to 3 inches, with isolated higher
amounts up to 4 inches.
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Nov 23, 11:40 AM Source: NWS Alert