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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

36°F

2°C

Humidity 86%
Wind Speed NW 9 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 24 Dec 02:55 AM MST
Extended Forecast for

19 Miles W Lost River ID

Winter Storm Warning December 24, 05:00am until December 25, 05:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. South wind around 14 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after 11am. The snow could be heavy at times. High near 31. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 31 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Steady temperature around 30. South southwest wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    Low: 30 °F

    Heavy Snow

  • Christmas Day

    Christmas Day: Snow. High near 29. Southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 21. Southwest wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 21 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 23. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 23 °F

    Heavy Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 9. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. South wind around 14 mph, with gusts as high as 18 mph.
Wednesday
Snow, mainly after 11am. The snow could be heavy at times. High near 31. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Steady temperature around 30. South southwest wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Christmas Day
Snow. High near 29. Southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 21. Southwest wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow. The snow could be heavy at times. High near 23. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 9. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 17.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 28.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles W Lost River ID
 43.67°N 113.91°W (Elev. 9524 ft)
Last Update:
2:27 am MST Dec 24, 2025
Forecast Valid:
3am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation