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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the 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

51°F

11°C

Humidity 17%
Wind Speed N 13 G 28 mph
Barometer 30.34 in (1026.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Jan 5:51 pm CST
Extended Forecast for

4 Miles E Helotes TX

Freeze Warning January 18, 02:00am until January 18, 09:00am
Red Flag Warning January 17, 06:09pm until January 17, 08:00pm
Click here for hazard details and duration
Freeze Warning
...
  •  
    Red Flag Warning January 17, 06:09pm until January 17, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 28 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 60. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 32. Southwest wind around 5 mph becoming calm after midnight.

    Low: 32 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 64. Calm wind becoming south southeast around 5 mph in the morning.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Cloudy, with a low around 51. South southeast wind around 5 mph.

    Low: 51 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 64. South wind around 5 mph becoming calm in the afternoon.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 28. North northeast wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 60. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Clear, with a low around 32. Southwest wind around 5 mph becoming calm after midnight.
M.L.King Day
Sunny, with a high near 64. Calm wind becoming south southeast around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 56. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Tuesday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 51. South southeast wind around 5 mph.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 64. South wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 48. Calm wind becoming north around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly cloudy, with a high near 68.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Helotes TX
 29.57°N 98.61°W (Elev. 955 ft)
Last Update:
5:42 pm CST Jan 17, 2026
Forecast Valid:
6pm CST Jan 17, 2026-6pm CST Jan 24, 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