Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

85°F

29°C

Humidity	51%
Wind Speed	S 9 mph
Barometer	29.83 in (1009.1 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	17 Nov 4:56 pm CST

More Information:

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

Extended Forecast for

2 Miles W San Marcos Municipal Airport TX

Tonight
Low: 69 °F
Increasing
Clouds
Tuesday
High: 86 °F
Partly Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
then Patchy
Fog
Wednesday
High: 86 °F
Chance
Showers and
Areas Fog
Wednesday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers and
Patchy Fog
Thursday
High: 78 °F
Showers
Likely and
Dense Fog
Thursday Night
Low: 62 °F
Showers
Likely
Friday
High: 80 °F
Chance
Showers then
Sunny
Friday Night
Low: 55 °F
Mostly Clear

Detailed Forecast

Tonight

Increasing clouds, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

Tuesday

Partly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Patchy fog after 5am. Otherwise, increasing clouds, with a low around 68. South wind around 5 mph.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 86. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. South southeast wind around 10 mph.

Thursday

Showers likely and possibly a thunderstorm. Widespread dense fog, mainly before 7am. Otherwise, mostly cloudy, with a high near 78. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Friday

A 30 percent chance of showers before noon. Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 55. North wind around 5 mph.

Saturday

A 20 percent chance of showers. Mostly sunny, with a high near 75.

Saturday Night

A 30 percent chance of showers. Partly cloudy, with a low around 52.

Sunday

A 30 percent chance of showers. Partly sunny, with a high near 72.

Sunday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 53.