Severe Thunderstorms Possible From The Plains To The Midwest And Mid Atlantic Early This Week

The threat for severe thunderstorms will continue Monday and Tuesday from the central and southern Plains to portions of the Midwest, Ohio Valley, and Mid Atlantic region. Some of the storms could contain damaging winds, large hail, and a few tornadoes. Heavy rainfall could also lead to flash flooding of low lying areas. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Thunderstorm in Vicinity

81°F

27°C

Humidity 82%
Wind Speed SE 10 mph
Barometer 29.89 in (1011.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Jun 11:56 pm CDT
Extended Forecast for

3 Miles WSW San Marcos TX

Severe T-storm Watch until June 17, 03:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until June 17, 03:00am

    NOW until
    3:00am Mon

    Severe T-storm Watch

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 4am. Some of the storms could be severe.  Mostly cloudy, with a low around 73. South wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Severe
    Thunderstorms

    Low: 73 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. Heat index values as high as 101. South wind around 10 mph.

    Chance
    T-storms

    High: 94 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 97. Heat index values as high as 104. South wind 5 to 10 mph.

    Partly Sunny

    High: 97 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 74. South wind around 10 mph.

    Partly Cloudy

    Low: 74 °F

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. South wind 10 to 15 mph.

    Hot

    High: 100 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 75 °F

  • Thursday

    Thursday: Sunny and hot, with a high near 102. South wind around 15 mph, with gusts as high as 20 mph.

    Hot

    High: 102 °F

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 101. South wind around 10 mph.
Monday Night
Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 97. Heat index values as high as 104. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 74. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 100. South wind 10 to 15 mph.
Wednesday Night
Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. South wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 76. South wind around 15 mph.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Partly sunny, with a high near 97.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Click Map For Forecast
Point Forecast:
3 Miles WSW San Marcos TX
 29.86°N 97.97°W (Elev. 646 ft)
11:43 pm CDT Jun 16, 2019
12am CDT Jun 17, 2019-6pm CDT Jun 22, 2019
 
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Additional Resources

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