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 >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Mostly Cloudy

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 26 Dec 02:55 AM MST
Extended Forecast for

6 Miles NE Mackay ID

  • Overnight

    Overnight: Snow likely, mainly after 5am.  Mostly cloudy, with a steady temperature around 22. Breezy, with a south southwest wind around 23 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: Snow, mainly before 1pm. The snow could be heavy at times.  Temperature rising to near 22 by 8am, then falling to around 12 during the remainder of the day. Wind chill values as low as -4. Breezy, with a west southwest wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Heavy Snow
    and Breezy
    then Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of snow before 11pm, then a chance of snow after 1am.  Increasing clouds, with a steady temperature around 12. Wind chill values as low as -10. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 12 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy and cold, with a high near 10. Wind chill values as low as -19. Breezy, with a west northwest wind 17 to 24 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 10 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -4. Blustery, with a northwest wind 16 to 26 mph.

    Low: -4 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 6.

    High: 6 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 13.

    High: 13 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Mostly cloudy, with a steady temperature around 22. Breezy, with a south southwest wind around 23 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly before 1pm. The snow could be heavy at times. Temperature rising to near 22 by 8am, then falling to around 12 during the remainder of the day. Wind chill values as low as -4. Breezy, with a west southwest wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A slight chance of snow before 11pm, then a chance of snow after 1am. Increasing clouds, with a steady temperature around 12. Wind chill values as low as -10. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Saturday
Snow likely. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -19. Breezy, with a west northwest wind 17 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly clear, with a low around -4. Blustery, with a northwest wind 16 to 26 mph.
Sunday
Sunny and cold, with a high near 6.
Sunday Night
Mostly clear, with a low around 1.
Monday
Sunny, with a high near 13.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 12.
New Year's Day
Mostly cloudy, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Mackay ID
 43.97°N 113.54°W (Elev. 10374 ft)
2:53 am MST Dec 26, 2025
3am MST Dec 26, 2025-6pm MST Jan 1, 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