Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

70°F

21°C

Humidity	97%
Wind Speed	S 12 mph
Barometer	29.91 in (1012.1 mb)
Dewpoint	69°F (21°C)
Visibility	5.00 mi
Last update	24 Nov 4:56 am CST

More Information:

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

Extended Forecast for

Mountain City TX

Overnight
Low: 63 °F
Chance
Showers and
Patchy Fog
Monday
High: 75 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 52 °F
Decreasing
Clouds
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 38 °F
Mostly Clear
Thanksgiving Day
High: 67 °F
Sunny
Thursday Night
Low: 46 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 63. South wind around 10 mph.

Monday

A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 75. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly cloudy, then gradually becoming clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 78. Northwest wind around 5 mph becoming north northeast in the afternoon.

Tuesday Night

Mostly clear, with a low around 48. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday

Sunny, with a high near 64. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

Wednesday Night

Mostly clear, with a low around 38. North northeast wind 5 to 10 mph.

Thanksgiving Day

Sunny, with a high near 67. North northeast wind around 5 mph becoming east in the afternoon.