National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Partly Cloudy

93°F

34°C

Humidity 49%
Wind Speed N 5 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 24 Aug 12:53 pm CDT
Extended Forecast for

Rio Grande City TX

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 97. Heat index values as high as 106. North northeast wind around 5 mph.

    High: 97 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 76. East wind around 6 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 97. Heat index values as high as 106. Calm wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 97 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southeast wind 3 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. Calm wind becoming east southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 99 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southeast wind 3 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Southeast wind 3 to 7 mph.

    High: 100 °F

    Hot

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 97. Heat index values as high as 106. North northeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 76. East wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 97. Heat index values as high as 106. Calm wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Calm wind becoming southeast 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 76. Southeast wind 3 to 8 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. Calm wind becoming east southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 3 to 8 mph.
Thursday
Sunny and hot, with a high near 100. Southeast wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 76. Southeast wind 5 to 8 mph.
Friday
Sunny and hot, with a high near 102. Southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rio Grande City TX
 26.39°N 98.85°W
Last Update:
1:00 pm CDT Aug 24, 2025
Forecast Valid:
1pm CDT Aug 24, 2025-6pm CDT Aug 30, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation