National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain Continues in Florida; Cold Front Brings Thunderstorms and Showers to Central US

Scattered areas of heavy rain continue to produce isolated flash flooding across the Florida peninsula. Anomalous moisture will combine with a cold front and will bring heavy rain and scattered flash flooding across the Mid-South, Ohio and Tennessee Valleys today and Tuesday. Above average temperatures will continue to be found ahead of the cold front from the Midwest to the Northeast. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

91°F

33°C

Humidity 39%
Wind Speed E 9 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 6 Oct 5:56 pm CDT
Extended Forecast for

2 Miles W San Marcos Municipal Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Northeast wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 93. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Northeast wind 5 to 10 mph.
Friday Night
Clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 64.
Columbus Day
Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W San Marcos Municipal Airport TX
 29.9°N 97.91°W (Elev. 640 ft)
Last Update:
6:02 pm CDT Oct 6, 2025
Forecast Valid:
6pm CDT Oct 6, 2025-6pm CDT Oct 13, 2025
 
Forecast Discussion
 
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