Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Castroville Municipal Airport (KCVB)

Lat: 29.34°NLon: 98.85°WElev: 771ft.

Fair

36°F

2°C

Humidity 75%
Wind Speed NW 5 mph
Barometer 30.21 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Dec 2:15 am CST
Extended Forecast for

6 Miles WSW Helotes TX

Freeze Warning until December 9, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until December 9, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 37 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45. South southwest wind around 5 mph becoming west after midnight.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. West wind around 5 mph becoming northeast in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North northeast wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. North northeast wind around 5 mph becoming south in the morning.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. South southeast wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. South southwest wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 37. Calm wind.
Tuesday
Sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Tuesday Night
Clear, with a low around 45. South southwest wind around 5 mph becoming west after midnight.
Wednesday
Sunny, with a high near 75. West wind around 5 mph becoming northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. North northeast wind around 5 mph.
Thursday
Sunny, with a high near 71. North northeast wind around 5 mph becoming south in the morning.
Thursday Night
Partly cloudy, with a low around 51. South southeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 75. South southwest wind 5 to 10 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 57. East wind around 5 mph.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Helotes TX
 29.54°N 98.77°W (Elev. 1050 ft)
2:28 am CST Dec 9, 2025
2am CST Dec 9, 2025-6pm CST Dec 15, 2025
 
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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