Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

77°F

25°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 19 Jul 6:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: Mostly sunny, with a high near 98. Heat index values as high as 107. South southeast wind 8 to 18 mph, with gusts as high as 23 mph.

    Mostly Sunny

    High: 98 °F

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southeast wind 8 to 18 mph, with gusts as high as 23 mph.

    Mostly Clear

    Low: 78 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 98. South southeast wind 7 to 16 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 98 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 78. Southeast wind 8 to 18 mph, with gusts as high as 25 mph.

    Partly Cloudy

    Low: 78 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 98. Southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    Mostly Sunny

    High: 98 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 78. Southeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 24 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 78 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 97.

    Slight Chance
    T-storms

    High: 97 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77.

    Slight Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 96.

    Slight Chance
    T-storms

    High: 96 °F

Detailed Forecast

Today
Mostly sunny, with a high near 98. Heat index values as high as 107. South southeast wind 8 to 18 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind 8 to 18 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 98. South southeast wind 7 to 16 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 78. Southeast wind 8 to 18 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 98. Southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 24 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 96.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Click Map For Forecast
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
7:00 am CDT Jul 19, 2019
7am CDT Jul 19, 2019-6pm CDT Jul 25, 2019
 
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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