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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for portions of the central and southern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

73°F

23°C

Humidity 16%
Wind Speed ESE 13 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Apr 02:47 PM MDT
Extended Forecast for

15 Miles NNE Sun Valley ID

Winter Weather Advisory April 22, 12:00am until April 23, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of rain before 2am, then a slight chance of rain and snow between 2am and 4am, then snow likely after 4am. Snow level 9400 feet lowering to 7900 feet after midnight . Increasing clouds, with a low around 29. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Rain
    and Breezy
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow before noon, then snow showers between noon and 3pm, then a chance of snow after 3pm. Some thunder is also possible. High near 34. South southwest wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before midnight. Low around 23. West wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 50 percent chance of snow. Partly sunny, with a high near 36. West wind 10 to 20 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind 9 to 18 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Partly sunny, with a high near 33. New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain before 2am, then a slight chance of rain and snow between 2am and 4am, then snow likely after 4am. Snow level 9400 feet lowering to 7900 feet after midnight . Increasing clouds, with a low around 29. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow before noon, then snow showers between noon and 3pm, then a chance of snow after 3pm. Some thunder is also possible. High near 34. South southwest wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before midnight. Low around 23. West wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 36. West wind 10 to 20 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind 9 to 18 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 33. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 37.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22.
Sunday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 38.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNE Sun Valley ID
 43.86°N 114.18°W (Elev. 7933 ft)
Last Update:
12:45 pm MDT Apr 21, 2026
Forecast Valid:
3pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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