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.

Overcast

73°F

23°C

Humidity	90%
Wind Speed	S 6 mph
Barometer	29.86 in (1010.5 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	17 Nov 2:56 am CST

More Information:

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

Extended Forecast for

2 Miles SW San Marcos Municipal Airport TX

Overnight
Low: 67 °F
Cloudy
Monday
High: 87 °F
Gradual
Clearing
Monday Night
Low: 69 °F
Partly Cloudy
then Slight
Chance
Drizzle
Tuesday
High: 87 °F
Slight Chance
Drizzle then
Partly Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
then Slight
Chance
Drizzle
Wednesday
High: 85 °F
Chance
Showers
Wednesday Night
Low: 68 °F
Chance
Showers then
Chance
T-storms
Thursday
High: 80 °F
Showers
Likely
Thursday Night
Low: 59 °F
Showers
Likely

Detailed Forecast

Overnight

Cloudy, with a low around 67. South southwest wind around 5 mph.

Monday

Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

A slight chance of drizzle after 3am. Increasing clouds, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

Tuesday

A slight chance of drizzle before 10am. Mostly cloudy, with a high near 87. South wind 5 to 10 mph.

Tuesday Night

A slight chance of drizzle after midnight. Mostly cloudy, with a low around 68. South southeast wind 5 to 10 mph.

Wednesday

A chance of drizzle before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 85. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. 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 before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Friday

A 20 percent chance of showers before noon. Mostly sunny, with a high near 77.

Friday Night

Mostly clear, with a low around 51.

Saturday

A 30 percent chance of showers. Mostly sunny, with a high near 71.

Saturday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 50.

Sunday

A 30 percent chance of showers. Mostly sunny, with a high near 71.