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

Hazardous Weather Conditions

Current conditions at

Mesquite, Mesquite Metro Airport (KHQZ)

Lat: 32.75°NLon: 96.53°WElev: 446ft.

Fair

91°F

33°C

Humidity 56%
Wind Speed SE 6 mph
Barometer 29.76 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 18 Jun 7:50 pm CDT
Extended Forecast for

Sunnyvale TX

Heat Advisory June 18, 08:31pm until June 18, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory June 18, 08:31pm until June 18, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Tonight

    Low: 76 °F

    Mostly Cloudy
    then T-storms
    Likely

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 86. Heat index values as high as 97. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. East wind around 5 mph becoming south southeast after midnight. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 102. South southeast wind 5 to 10 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Clear then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 96. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 76. East southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 86. Heat index values as high as 97. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. East wind around 5 mph becoming south southeast after midnight. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 102. South southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 96. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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. Partly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale TX
 32.8°N 96.56°W (Elev. 449 ft)
Last Update:
6:06 pm CDT Jun 18, 2026
Forecast Valid:
8pm CDT Jun 18, 2026-6pm CDT Jun 25, 2026
 
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