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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

39°F

4°C

Humidity 57%
Wind Speed Calm
Barometer 30.41 in (1029.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 27 Jan 8:51 pm CST
Extended Forecast for

Helotes TX

  • Tonight

    Tonight: Clear, with a low around 28. Calm wind becoming northwest around 5 mph after midnight.

    Low: 28 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the morning.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. North northeast wind 5 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. North northeast wind 5 to 10 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. East northeast wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 28. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 54. Northwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 31. Calm wind.
Thursday
Partly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 34. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 51. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 27. North northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 44. North northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 23. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.57°N 98.69°W (Elev. 1047 ft)
Last Update:
6:44 pm CST Jan 27, 2026
Forecast Valid:
9pm CST Jan 27, 2026-6pm CST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation