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

Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

40°F

4°C

Humidity 73%
Wind Speed W 3 mph
Barometer 30.39 in (1029.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 1 Feb 9:56 pm CST
Extended Forecast for

5 Miles WSW Martindale TX

  • Tonight

    Tonight: Mostly clear, with a low around 37. Southwest wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 68. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. South wind around 10 mph becoming north northwest in the afternoon.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. North wind around 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. North wind 5 to 10 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. North wind around 5 mph becoming southwest in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Southwest wind around 5 mph.
Monday
Increasing clouds, with a high near 68. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 72. South wind around 10 mph becoming north northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 44. North wind around 10 mph.
Wednesday
Mostly sunny, with a high near 66. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 66. North wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 41. Calm wind becoming west southwest around 5 mph after midnight.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Martindale TX
 29.81°N 97.91°W (Elev. 581 ft)
Last Update:
5:45 pm CST Feb 1, 2026
Forecast Valid:
10pm CST Feb 1, 2026-6pm CST Feb 8, 2026
 
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