Excessive Rainfall Could Bring Flooding to the High Plains; Tropical Storm Arlene to Dissipate by Sunday

Excessive rainfall may bring flooding to portions of southern Florida, the northern Rockies, and northern High Plains today, and to the southern High Plains today into Monday. Tropical Storm Arlene, in the southeast Gulf of Mexico, is forecast to become a tropical depression today, degenerate into a remnant low by late tonight, and dissipate on Sunday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

69°F

21°C

Humidity	81%
Wind Speed	W 3 mph
Barometer	29.88 in (1010.9 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	3 Jun 7:56 am CDT

More Information:

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

Extended Forecast for

Niederwald TX

Today

Mostly Sunny
High: 91 °F
Tonight

Chance
T-storms
Low: 68 °F
Sunday

Slight Chance
T-storms then
Chance
T-storms
High: 89 °F
Sunday
Night

Chance
T-storms
Low: 65 °F
Monday

T-storms
Likely
High: 85 °F
Monday
Night

Slight Chance
T-storms
Low: 66 °F
Tuesday

Chance
T-storms
High: 85 °F
Tuesday
Night

Partly Cloudy
Low: 66 °F
Wednesday

Slight Chance
T-storms
High: 87 °F

Detailed Forecast

Today

Mostly sunny, with a high near 91. South southeast wind 5 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Increasing clouds, with a low around 68. Southeast wind around 5 mph becoming west northwest after midnight.

Sunday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. North northwest wind around 5 mph becoming east southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm after midnight.

Monday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 60%.

Monday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. East southeast wind around 5 mph becoming west northwest after midnight.

Tuesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light and variable wind becoming east southeast 5 to 10 mph in the morning.

Tuesday Night

Partly cloudy, with a low around 66. East wind 5 to 10 mph becoming south southwest after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. West southwest wind 5 to 10 mph becoming east southeast in the afternoon.

Wednesday Night

Partly cloudy, with a low around 67.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Thursday Night

Partly cloudy, with a low around 68.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.