



Dangerous Heat in a Couple of Locations; Active Monsoon
Dangerous heat continues in a couple of locations today. In the Pacific Northwest to the central Valley of California and across the Gulf Coast region from the western Florida Panhandle to eastern Texas. Meanwhile, the monsoon threat of heavy rainfall and flooding will be possible in the Four Corners region and west Texas today, with a more significant threat on Friday in Arizona and New Mexico. Read More >
Hazardous Weather Conditions
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
A Few Clouds
83°F
28°C
Humidity | 79% |
Wind Speed | SW 7 mph |
Barometer | 30.04 in (1016.0 mb) |
Dewpoint | 76°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 91°F (33°C) |
Last update | 17 Aug 8:56 am CDT |
San Marcos TX
-
Today
Hot
High: 99 °F
-
Tonight
Partly Cloudy
Low: 77 °F
-
Thursday
Mostly Sunny
then Chance
T-stormsHigh: 99 °F
-
Thursday
NightChance
T-stormsLow: 73 °F
-
Friday
Slight Chance
T-storms then
Chance
T-stormsHigh: 93 °F
-
Friday
NightPartly Cloudy
Low: 73 °F
-
Saturday
Mostly Sunny
then Slight
Chance
T-stormsHigh: 95 °F
-
Saturday
NightPartly Cloudy
Low: 76 °F
-
Sunday
Partly Sunny
then Slight
Chance
T-stormsHigh: 94 °F
Detailed Forecast
Additional Forecasts and Information
29.88°N 97.94°W (Elev. 577 ft)