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.

80°F

27°C

Humidity 87%
Wind Speed Calm
Barometer 29.92 in (1013.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 Aug 5:53 am CDT
Extended Forecast for

Rio Grande City TX

  • Today

    Today: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 97. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 97 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 94. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 94 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 97 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 77. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Southeast wind 3 to 8 mph.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 8 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. East southeast wind 3 to 7 mph.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 97. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 94. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 77. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Southeast wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 8 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. East southeast wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 76. Southeast wind 3 to 8 mph. Winds could gust as high as 20 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.
Friday
Sunny and hot, with a high near 101.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rio Grande City TX
 26.39°N 98.82°W
Last Update:
6:15 am CDT Aug 23, 2025
Forecast Valid:
6am CDT Aug 23, 2025-6pm CDT Aug 29, 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