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

Dangerous Heat in the West; Flash Flooding Possible Across the Southern US

Dangerous heat is expected across areas in Texas and from Washington through California. Several daily high temperature records are expected to be either tied or broken in the West. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Locally heavy rain is expected from thunderstorms in the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

78°F

26°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 29.99 in (1014.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 4:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Today

    Today: Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind 5 to 10 mph.

    Hot

    High: 99 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South southwest wind 5 to 10 mph.

    Partly Cloudy

    Low: 77 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 99 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. North northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Chance
    T-storms

    Low: 73 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. South wind 5 to 10 mph becoming east southeast in the afternoon.

    Chance
    T-storms

    High: 93 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 73. East southeast wind 5 to 10 mph becoming south after midnight.

    Partly Cloudy

    Low: 73 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 75 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 94 °F

Detailed Forecast

Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 77. South southwest wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. North northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. South wind 5 to 10 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 73. East southeast wind 5 to 10 mph becoming south after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 ft)
Last Update:
3:36 am CDT Aug 17, 2022
Forecast Valid:
5am CDT Aug 17, 2022-6pm CDT Aug 23, 2022
 
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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