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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Heat Building in the West

Storm surge flooding and tropical storm conditions are expected in the Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Tropical storm conditions are possible along the eastern shore of Virginia Thursday. Hurricane Erin will continue to produce life-threatening surf and rip currents along much of the east coast of the U.S. this week. Read More >

Current conditions at

Austin Executive Airport (KEDC)

Lat: 30.39°NLon: 97.56°WElev: 616ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed NW 3 mph
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 20 Aug 12:55 am CDT
Extended Forecast for

Round Rock TX

  • Overnight

    Overnight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Scattered showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 99 °F

    Sunny then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 77. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 103. Northwest wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 60%.

    High: 97 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 95. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 95 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Wednesday
Scattered showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 77. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Scattered showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 103. Northwest wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 95. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 97.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Rock TX
 30.5°N 97.69°W (Elev. 768 ft)
Last Update:
12:44 am CDT Aug 20, 2025
Forecast Valid:
12am CDT Aug 20, 2025-6pm CDT Aug 26, 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