Severe Thunderstorm and Fire Weather Threats in the Central U.S. Today; Strong Storm in Western Alaska

There is an Enhanced Risk (Level 3 of 5) for severe thunderstorms today with threats for significant severe hail and tornado potential over southern Iowa into northern Missouri and west-central Illinois. Elevated to critical fire weather is possible today due to gusty winds and dry conditions over parts of the southern High Plains and northeastern Montana. Read More >

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Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

79°F

26°C

Humidity	79%
Wind Speed	S 14 mph
Barometer	29.88 in (1011.2 mb)
Dewpoint	72°F (22°C)
Visibility	8.00 mi
Heat Index	82°F (28°C)
Last update	16 Apr 10:56 am CDT

More Information:

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

Extended Forecast for

4 Miles NNW San Marcos Municipal Airport TX

Today

Slight Chance
T-storms
High: 84 °F
Tonight

Mostly Cloudy
Low: 69 °F
Wednesday

Patchy Fog
then Mostly
Cloudy
High: 87 °F
Wednesday
Night

Cloudy
Low: 69 °F
Thursday

Mostly Cloudy
then Slight
Chance
T-storms
High: 90 °F
Thursday
Night

Slight Chance
T-storms
Low: 65 °F
Friday

Partly Sunny
High: 86 °F
Friday
Night

Slight Chance
T-storms
Low: 66 °F
Saturday

Slight Chance
T-storms then
Chance
T-storms
High: 80 °F

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84. South wind around 10 mph.

Tonight

Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph.

Wednesday

Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 87. South southeast wind 5 to 10 mph.

Wednesday Night

Cloudy, with a low around 69. South southeast wind 5 to 10 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 5 to 10 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Friday

Partly sunny, with a high near 86. East wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. East wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. East wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Chance of precipitation is 80%.

Sunday

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69.

Sunday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

Monday

Mostly sunny, with a high near 76.