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Severe Storms; Fire Danger; and Strong Pacific Storms

More strong storms on tap for the Pacific Northwest this weekend. Heavy rains could produce flooding and mudslides. Saturday, a cold front moving into the central U.S. will bring potential for severe thunderstorms containing damaging winds, large hail, and isolated tornadoes; and localized flooding potential. Dry winds in southwestern California will keep fire weather threats high. 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

85°F

29°C

Humidity 61%
Wind Speed SW 15 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Oct 12:56 pm CDT
Extended Forecast for

San Marcos Municipal Airport TX

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 87. South wind around 10 mph.

    Partly Sunny

    High: 87 °F

  • Tonight

    Tonight: Showers and thunderstorms after 1am.  Low around 67. South southeast wind around 10 mph becoming west southwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Mostly Cloudy
    then T-storms

    Low: 67 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy through mid morning, then gradual clearing, with a high near 78. North wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 78 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 49. North wind 5 to 10 mph.

    Clear

    Low: 49 °F

  • Monday

    Monday: Sunny, with a high near 81. North northwest wind 5 to 10 mph.

    Sunny

    High: 81 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 53. Northwest wind 5 to 10 mph.

    Clear

    Low: 53 °F

  • Tuesday

    Tuesday: Sunny, with a high near 78. North wind around 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 48. North wind 5 to 10 mph.

    Clear

    Low: 48 °F

  • Wednesday

    Wednesday: Sunny, with a high near 78. Northwest wind around 5 mph becoming southwest in the afternoon.

    Sunny

    High: 78 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. South wind around 10 mph.
Tonight
Showers and thunderstorms after 1am. Low around 67. South southeast wind around 10 mph becoming west southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. North wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Clear, with a low around 49. North wind 5 to 10 mph.
Monday
Sunny, with a high near 81. North northwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 53. Northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 78. North wind around 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 48. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78. Northwest wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
San Marcos Municipal Airport TX
 29.9°N 97.86°W (Elev. 600 ft)
11:42 am CDT Oct 21, 2017
1pm CDT Oct 21, 2017-6pm CDT Oct 27, 2017
 
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