Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

64°F

18°C

Humidity 48%
Wind Speed SW 5 mph
Barometer 30.07 in (1017.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 29 Jan 6:51 pm CST
Extended Forecast for

Helotes TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. North wind 5 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 5 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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ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.55°N 98.69°W (Elev. 988 ft)
5:44 pm CST Jan 29, 2026
7pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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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