Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

83°F

28°C

Humidity 74%
Wind Speed S 18 G 25 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Heat Index90°F (32°C)
Last update 29 Jun 8:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Today

    Today: Widespread haze after 1pm. Sunny, with a high near 96. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 30 mph.

    High: 96 °F

    Sunny then
    Haze

  • Tonight

    Tonight: Increasing clouds, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Becoming
    Sunny

  • Tuesday Night

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

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southeast wind 5 to 15 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. South southeast wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze after 1pm. Sunny, with a high near 96. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind 5 to 15 mph.
Thursday
Sunny, with a high near 95. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 74.
Independence Day
Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 ft)
6:42 am CDT Jun 29, 2026
9am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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