Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Castroville Municipal Airport (KCVB)

Lat: 29.34°NLon: 98.85°WElev: 771ft.

Fog

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 0.15 mi
Last update 27 Dec 4:35 am CST
Extended Forecast for

6 Miles WSW Helotes TX

  • Today

    Today: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 77. South wind 5 to 10 mph.

    High: 77 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Breezy, with a southeast wind 5 to 10 mph becoming north northeast 15 to 25 mph in the evening. Winds could gust as high as 40 mph.

    Low: 42 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 52. Breezy, with a north northeast wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 52 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. North wind around 5 mph becoming calm  in the afternoon.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the morning.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 77. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 42. Breezy, with a southeast wind 5 to 10 mph becoming north northeast 15 to 25 mph in the evening. Winds could gust as high as 40 mph.
Monday
Mostly cloudy, with a high near 52. Breezy, with a north northeast wind 15 to 25 mph, with gusts as high as 40 mph.
Monday Night
Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 55. North wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind.
Wednesday
Mostly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 41.
New Year's Day
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Helotes TX
 29.54°N 98.77°W (Elev. 1050 ft)
4:33 am CST Dec 27, 2025
4am CST Dec 27, 2025-6pm CST Jan 2, 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