Flash Flood Threat to Persist in the 4-Corners; Heat Threat in Several Regions
The threat of flash flooding will continue to exist into Monday across the Southwest into the the central Rockies as monsoon conditions persist. Dangerous heat will be in place across the Intermountain West, northern Plains, and into the southern Plains and Lower Mississippi River Valley into early week. Read More >
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
79°F
26°C
| Humidity | 85% |
| Wind Speed | SE 10 mph |
| Barometer | 30.03 in (1016.0 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 24 Jul 10:56 pm CDT |
Extended Forecast for
San Marcos TX
-
Tonight
Partly Cloudy
Low: 73 °F
-
Sunday
Becoming
SunnyHigh: 96 °F
-
Sunday
Night
Mostly Clear
Low: 71 °F
-
Monday
Sunny
High: 98 °F
-
Monday
NightMostly Clear
Low: 72 °F
-
Tuesday
Mostly Sunny
High: 96 °F
-
Tuesday
NightPartly Cloudy
Low: 73 °F
-
Wednesday
Slight Chance
Showers then
Slight Chance
T-stormsHigh: 95 °F
-
Wednesday
NightMostly Clear
Low: 73 °F
Detailed Forecast
Tonight
Partly cloudy, with a low around 73. South wind 5 to 10 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 96. South southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 71. South southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 98. Heat index values as high as 102. Southwest wind around 5 mph becoming south southeast in the afternoon.
Monday Night
Mostly clear, with a low around 72. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 96. West southwest wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming south southwest after midnight.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. West southwest wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 73. East southeast wind 5 to 10 mph becoming south after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 97.
Additional Forecasts and Information
Point Forecast:
San Marcos TX
29.9°N 97.91°W (Elev. 640 ft)
29.9°N 97.91°W (Elev. 640 ft)
10:11 pm CDT Jul 24, 2021
11pm CDT Jul 24, 2021-6pm CDT Jul 31, 2021
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
