Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

San Antonio Boerne Stage Field (K5C1)

Lat: 29.72°NLon: 98.69°WElev: 1385ft.

Overcast

54°F

12°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.14 in
Dewpoint 54°F (12°C)
Visibility 3.00 mi
Last update 21 Jan 4:15 am CST
Extended Forecast for

Helotes TX

  • Overnight

    Overnight: A 20 percent chance of showers.  Patchy fog.  Otherwise, cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind around 5 mph becoming calm  in the afternoon.

    High: 69 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70. North northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. Southeast wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm.  Cloudy, with a high near 67. South southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 31. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 31 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 35. North wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    High: 35 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of freezing rain.  Mostly cloudy, with a low around 19. North wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    Low: 19 °F

    Chance
    Freezing Rain

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 52. South wind around 5 mph.
Wednesday
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 50. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Partly sunny, with a high near 70. North northeast wind around 5 mph becoming south southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 56. Southeast wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Cloudy, with a high near 67. South southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Showers. Low around 31. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday
Showers. High near 35. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Saturday Night
A chance of freezing rain. Mostly cloudy, with a low around 19. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday
A slight chance of freezing rain before noon. Partly sunny, with a high near 33. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.59°N 98.69°W (Elev. 1211 ft)
4:33 am CST Jan 21, 2026
4am CST Jan 21, 2026-6pm CST Jan 27, 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