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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Delta, Delta Municipal Airport (KDTA)

Lat: 39.38333°NLon: 112.50967°WElev: 4755.0ft.

Mostly Cloudy

52°F

11°C

Humidity 46%
Wind Speed ESE 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Dec 08:15 AM MST
Extended Forecast for

20 Miles NNW Delta UT

Wind Advisory until December 26, 05:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 26, 05:00pm

    NOW until 5:00pm Fri

    Wind Advisory

  • Today

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. South wind around 18 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Christmas Day

    Christmas Day: A 40 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 55. Breezy, with a south wind 15 to 24 mph, with gusts as high as 40 mph.

    High: 55 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 40. South wind 18 to 21 mph, with gusts as high as 34 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Friday

    Friday: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 51. South wind 15 to 21 mph, with gusts as high as 36 mph.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely before 5am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow, mainly before 11am. Mostly sunny, with a high near 42. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of rain, mainly between 11am and 2pm. Mostly cloudy, with a high near 58. South wind 10 to 18 mph, with gusts as high as 33 mph.
Tonight
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. South wind around 18 mph. Chance of precipitation is 70%.
Christmas Day
A 40 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 55. Breezy, with a south wind 15 to 24 mph, with gusts as high as 40 mph.
Thursday Night
Increasing clouds, with a low around 40. South wind 18 to 21 mph, with gusts as high as 34 mph.
Friday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 51. South wind 15 to 21 mph, with gusts as high as 36 mph.
Friday Night
Rain likely before 5am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow, mainly before 11am. Mostly sunny, with a high near 42. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNW Delta UT
 39.61°N 112.72°W (Elev. 4600 ft)
Last Update:
2:03 am MST Dec 24, 2025
Forecast Valid:
8am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation