Weather Tomorrow for ZIP 78501
McAllen, TX · View full McAllen forecast
Flood WatchUntil May 22, 1:15 PM
Flood Watch issued May 21 at 8:09AM CDT until May 25 at 7:00AM CDT by NWS Brownsville TX
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.
Friday, May 22, 2026
Precip chance
27%
Wind
3-9 mph
Humidity
78%
Feels like
89–77°F
Rain forecast
Low chance of precipitation. Highest risk around 3 AM (27%).
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 77°F | Slight Chance Showers And Thunderstorms | 15% | 5 mph N | ||
| 6 AM☽ | 76°F | Slight Chance Showers And Thunderstorms | 23% | 5 mph N | ||
| 7 AM☽ | 76°F | Slight Chance Showers And Thunderstorms | 19% | 3 mph SSE | ||
| 8 AM☽ | 76°F | Slight Chance Showers And Thunderstorms | 16% | 5 mph SE | ||
| 9 AM☽ | 75°F | Slight Chance Showers And Thunderstorms | 18% | 5 mph S | ||
| 10 AM☽ | 75°F | Slight Chance Showers And Thunderstorms | 19% | 3 mph S | ||
| 11 AM | 75°F | Mostly Sunny | 12% | 3 mph S | ||
| 12 PM | 75°F | Mostly Sunny | 8% | 3 mph SE | ||
| 1 PM | 76°F | Mostly Sunny | 7% | 3 mph SE | ||
| 2 PM | 79°F | Mostly Sunny | 4% | 5 mph SE | ||
| 3 PM | 81°F | Mostly Sunny | 1% | 6 mph SE | ||
| 4 PM | 84°F | Mostly Sunny | 3% | 7 mph SE | ||
| 5 PM | 87°F | Mostly Sunny | 4% | 8 mph SE | ||
| 6 PM | 88°F | Sunny | 3% | 8 mph SE | ||
| 7 PM | 90°F | Sunny | 2% | 8 mph SE | ||
| 8 PM | 91°F | Sunny | 12% | 8 mph SE | ||
| 9 PM | 90°F | Sunny | 9% | 8 mph SE | ||
| 10 PM | 90°F | Mostly Sunny | 10% | 9 mph SE | ||
| 11 PM☽ | 89°F | Partly Cloudy | 6% | 9 mph SE | ||
| 12 AM☽ | 86°F | Partly Cloudy | 4% | 9 mph SSE | ||
| 1 AM☽ | 84°F | Mostly Clear | 3% | 9 mph SE | ||
| 2 AM☽ | 82°F | Slight Chance Showers And Thunderstorms | 20% | 8 mph SE | ||
| 3 AM☽ | 81°F | Chance Showers And Thunderstorms | 27% | 8 mph SE | ||
| 4 AM☽ | 80°F | Slight Chance Showers And Thunderstorms | 21% | 7 mph SE | ||
Precipitation Timeline
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- • Light t-shirt or tank top
- • Shorts or light skirt
- • Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- • Sunglasses
- • Sunscreen
Conditions
High: 91°F
Low: 75°F
Wind: 3-9 mph
Rain: 27%
Enjoy your day!
Best Time to Be Outside Tomorrow
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)