Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

64°F

18°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 29.76 in (1007.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 May 1:56 am CDT
Extended Forecast for

2 Miles SSW Lockhart TX

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms, mainly before 4am.  Mostly cloudy, with a low around 63. East wind 5 to 10 mph becoming south. 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.

    Low: 63 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 83. South southeast wind around 5 mph becoming west southwest in the morning.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. South southeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 90. South wind around 5 mph.

    High: 90 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 72. South southeast wind around 5 mph.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 63. East wind 5 to 10 mph becoming south. 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.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. South southeast wind around 5 mph becoming west southwest in the morning. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 90. South wind around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. South southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lockhart TX
 29.86°N 97.7°W (Elev. 545 ft)
2:14 am CDT May 27, 2026
2am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database