Heavy Rainfall for Hawaii; Severe Weather Potential Increasing Across the South

Snowfall downwind of the Great Lakes will slowly diminish through the day. A system tracking across California is forecast to intensify across the Southern Plains through Thursday. Severe weather and heavy rainfall are possible from eastern Texas through the lower Mississippi Valley into Friday. Meanwhile, Kona low to the northwest of the Hawaiian islands will bring a chance of flash flooding. Read More >

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Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

62°F

17°C

Humidity	56%
Wind Speed	SE 10 mph
Barometer	30.16 in (1021.1 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	29 Nov 12:56 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

San Marcos TX

This
Afternoon

Cloudy
High: 60 °F
Tonight

Chance
Showers and
Patchy Fog
then Showers
and Patchy
Fog
Low: 57 °F
Thursday

Showers
Likely and
Patchy Fog
then Chance
T-storms
High: 72 °F
Thursday
Night

Mostly Cloudy
Low: 52 °F
Friday

Partly Sunny
High: 70 °F
Friday
Night

Partly Cloudy
Low: 48 °F
Saturday

Mostly Cloudy
High: 70 °F
Saturday
Night

Mostly Cloudy
Low: 50 °F
Sunday

Partly Sunny
High: 71 °F

Detailed Forecast

This Afternoon

Cloudy, with a high near 60. South southeast wind 5 to 10 mph.

Tonight

A chance of showers, then showers and possibly a thunderstorm after midnight. Patchy fog after 9pm. Low around 57. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. South southeast wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming northwest after midnight.

Friday

Partly sunny, with a high near 70. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

Friday Night

Partly cloudy, with a low around 48. Northeast wind 5 to 10 mph.

Saturday

Mostly cloudy, with a high near 70. North wind 5 to 10 mph.

Saturday Night

Mostly cloudy, with a low around 50. East wind around 5 mph becoming calm.

Sunday

Partly sunny, with a high near 71. Northwest wind 5 to 10 mph becoming south southwest in the afternoon.