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McAllen, TX weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for McAllen, TX. Always follow local warnings and emergency instructions.

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Weather status

Heat Advisory

Heat Advisory issued September 11 at 7:58PM CDT until September 12 at 6:00PM CDT by NWS Brownsville TX Expires Sat, 6:00 PM CDT.

View alert detailsOfficial NWS ↗
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

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What’s next

Hourly forecast

⌖ McAllen, TX

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for McAllen, TX. Forecasts and alerts update from NOAA and the National Weather Service.

83°Mostly Clear0% rain
83°Mostly Clear0% rain
82°Mostly Clear0% rain
82°Sunny0% rain
82°Sunny0% rain
82°Sunny0% rain
85°Sunny0% rain
90°Sunny0% rain

Next 24 hours

Rain Timeline

Highest chance 1%

No meaningful precipitation is expected in the official hourly forecast.

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Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
102°82°

Sunny

Precipitation
1%
Wind
SSE 12 to 17 mph
Sunrise
7:18 AM
Sunset
7:42 PM

Sun

101°81°

Sunny

Precipitation
10%
Wind
SE 9 to 14 mph
Sunrise
7:19 AM
Sunset
7:41 PM

Mon

102°81°

Sunny

Precipitation
6%
Wind
SE 8 to 15 mph
Sunrise
7:19 AM
Sunset
7:40 PM

Tue

102°80°

Sunny

Precipitation
1%
Wind
SE 10 to 15 mph
Sunrise
7:19 AM
Sunset
7:39 PM

Wed

101°80°

Sunny

Precipitation
8%
Wind
ESE 5 to 12 mph
Sunrise
7:20 AM
Sunset
7:38 PM

Thu

98°79°

Chance Rain Showers then Chance Showers And Thunderstorms

Precipitation
46%
Wind
NE 2 to 10 mph
Sunrise
7:20 AM
Sunset
7:36 PM

Fri

96°—

Chance Rain Showers then Chance Showers And Thunderstorms

Precipitation
44%
Wind
NE 3 to 9 mph
Sunrise
7:21 AM
Sunset
7:35 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather guidance for your areaPlan with the complete forecast

Use current official weather information for McAllen, TX before making weather-sensitive plans.

Safety guides

Weather for a healthier day

Healthy Weather

Real Feel94°F
Use caution walking outside

Heat Advisory is active. Review the official alert before going outside.

WindS15 mph
Best walk timeBetter weather window: 4 AM–6 AM

Walking: 0% average rain chance, near 83°F, with winds near 13 mph. Review the active Heat Advisory.

Official EPA AirNowLocal air qualityMcAllen, TX
View AQI +
Full air-quality page →AirNow details ↗Smoke and fire map ↗
More weather details
Wind gusts22mph
Rain now0%next hour
Humidity79%current
Daily peak UV forecastCheckingEPA daily maximum · not a current reading

Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust22 mph
Pressure29.83 in
Visibility10.0 mi
Peak rain chance1%
Dew point77°F
Active alerts1

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

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Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.

Simple, useful help

Weather safety guides

Quick answers for heat, storms, flooding and hurricane preparation—kept separate so your main weather page stays clean.

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Hot weather

Heat and sun safety

Plan outdoor time and recognize dangerous heat.

Severe weather

Storms and lightning

Know when to move indoors and where to shelter.

Travel safety

Flooding and driving

Avoid flooded roads and prepare before a trip.

Stay weather-ready

Active NWS alerts

Weather safety ↗

Moderate · Expected

Heat Advisory

Applies to: Brooks; Inland Kenedy; Starr; Southern Hidalgo; Inland Willacy; Inland Cameron; Coastal Kenedy; Northern Hidalgo; Coastal Willacy; Coastal CameronIssued by: NWS Brownsville TXHeat Advisory issued September 11 at 7:58PM CDT until September 12 at 6:00PM CDT by NWS Brownsville TX
Alert details* WHAT...Heat index values up to 115F degrees expected. * WHERE...Brooks, Coastal Cameron, Coastal Kenedy, Coastal Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Northern Hidalgo, Southern Hidalgo, and Starr Counties. * WHEN...From 11 AM to 6 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Safety instructionsDrink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
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