Hourly Weather | Today Wednesday, June 17, 2026
Active Weather Warnings
McAllen, Texas
11 PM
Night
88°
Feels Like 97°
0
Humidity: 74%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.21 µg/m³
  • PM10: 8.89 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

Weather Alerts and Warnings for McAllen

Severe Future Possible

Flood Watch

Flood Watch issued June 15 at 6:03PM CDT until June 18 at 7:00AM CDT by NWS Brownsville TX
Jun 15, 6:03 PM Jun 18, 7:00 AM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of Deep South Texas, including the following
areas, Brooks, Cameron Island, Coastal Cameron, Coastal Kenedy,
Coastal Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Jim
Hogg, Kenedy Island, Northern Hidalgo, Southern Hidalgo, Starr,
Willacy Island and Zapata.

WHEN: Through Thursday morning.

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

ADDITIONAL DETAILS:
- Widespread heavy rainfall will likely produce totals between 5 to
10 inches, with pockets of 12 inches or more possible. Rain rates
may exceed 3-5 inches per hour at times.
- http://www.weather.gov/safety/flood
+ 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: Jun 16, 12:54 AM Source: NWS Alert