



Excessive Heat for the South and West; Flash Flooding Conditions in the Southwest U.S.
Dangerous heat is expected across portions of the lower Mississippi Valley today, eastern Oregon Wednesday, central California through Wednesday, and Washington through Saturday. Excessive Heat Warnings are in effect. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Read More >
Hazardous Weather Conditions
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Partly Cloudy
93°F
34°C
Humidity | 44% |
Wind Speed | S 12 G 16 mph |
Barometer | 29.96 in (1013.5 mb) |
Dewpoint | 68°F (20°C) |
Visibility | 10.00 mi |
Heat Index | 97°F (36°C) |
Last update | 16 Aug 1:56 pm CDT |
5 Miles SW San Marcos TX
-
This
AfternoonMostly Sunny
High: 97 °F
-
Tonight
Partly Cloudy
Low: 75 °F
-
Wednesday
Mostly Sunny
High: 98 °F
-
Wednesday
NightPartly Cloudy
Low: 74 °F
-
Thursday
Sunny then
Chance
T-stormsHigh: 99 °F
-
Thursday
NightChance
T-stormsLow: 75 °F
-
Friday
Chance
T-stormsHigh: 94 °F
-
Friday
NightSlight Chance
T-stormsLow: 74 °F
-
Saturday
Mostly Sunny
then Slight
Chance
T-stormsHigh: 96 °F
Detailed Forecast
Additional Forecasts and Information
29.83°N 97.99°W (Elev. 676 ft)