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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

61°F

16°C

Humidity 34%
Wind Speed N 10 mph
Barometer 30.16 in (1020.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Jan 8:51 pm CST
Extended Forecast for

Helotes TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradual clearing during the afternoon, with a high near 58. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Clearing Late

  • Friday Night

    Friday Night: Clear, with a low around 31. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 46. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. East northeast wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. South wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. Southeast wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Cloudy, then gradual clearing during the afternoon, with a high near 58. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 31. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 46. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 22. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 36. South wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 61. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 50. Southeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.55°N 98.69°W (Elev. 988 ft)
Last Update:
5:44 pm CST Jan 29, 2026
Forecast Valid:
8pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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