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

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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

22°F

-6°C

Humidity 92%
Wind Speed NW 3 mph
Barometer 30.56 in (1034.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 27 Jan 3:51 am CST
Extended Forecast for

Helotes TX

Extreme Cold Warning January 27, 04:22am until January 27, 09:00am
Click here for hazard details and duration
...
  •  
    Extreme Cold Warning January 27, 04:22am until January 27, 09:00am

    NOW until 9:00am Tue

    Extreme Cold Warning

  • Today

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind becoming northwest around 5 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Wednesday

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

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Calm wind becoming south southwest around 5 mph in the morning.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. West wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 25 mph.

    Low: 33 °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 26. North northeast wind around 10 mph.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 46. Calm wind becoming southwest around 5 mph.
Tonight
Mostly clear, with a low around 27. 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 morning.
Wednesday Night
Partly cloudy, with a low around 30. Calm wind.
Thursday
Partly sunny, with a high near 59. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 33. West wind 5 to 15 mph becoming north in the evening. Winds could gust 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 26. North northeast wind around 10 mph.
Saturday
Sunny, with a high near 45. North northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 56.
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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:
3:42 am CST Jan 27, 2026
Forecast Valid:
4am CST Jan 27, 2026-6pm CST Feb 2, 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