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Severe Thunderstorms Back to The Plains; Chance Severe Storms in Mid-Atlantic

A new Pacific storm moving into the Plains will spark a new round of severe thunderstorms in the Plains with potential for damaging winds, very large hail, and tornadoes Tuesday. Heavy rains may produce flash floods, especially, from north-central Texas into Kansas. In the Mid-Atlantic,there will be a chance of severe thunderstorms. Strong winds in the Southwest west are keeping fire dangers high. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.86 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 28 Mar 2:35 am CDT
Extended Forecast for

San Marcos TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. South southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 68 °F

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 85. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms, mainly after 1am. Some of the storms could be severe.  Low around 66. South southeast wind 10 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Slight Chance
    T-storms then
    Severe
    Thunderstorms

    Low: 66 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms before 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 85. South southwest wind 5 to 10 mph.

    Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 55. Southwest wind 5 to 15 mph becoming west northwest after midnight.

    Mostly Clear

    Low: 55 °F

  • Thursday

    Thursday: Sunny, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 53. Northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Clear

    Low: 53 °F

  • Friday

    Friday: Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning.

    Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 61. South southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 61 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. South southeast wind 5 to 10 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and thunderstorms, mainly after 1am. Some of the storms could be severe. Low around 66. South southeast wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 85. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 55. Southwest wind 5 to 15 mph becoming west northwest after midnight.
Thursday
Sunny, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 53. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 61. South southeast wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
2:16 am CDT Mar 28, 2017
2am CDT Mar 28, 2017-6pm CDT Apr 3, 2017
 
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