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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Overcast

N/A

Humidity NA
Wind Speed NW 4 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

11 Miles NNE Sun Valley ID

Winter Weather Advisory until April 16, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 16, 12:00pm

    NOW until 12:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after 9am. The snow could be heavy at times. High near 32. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 12. Wind chill values as low as -2. Windy, with a southwest wind 27 to 32 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 12 °F

    Heavy Snow
    and Windy
    then Chance
    Snow and
    Breezy

  • Thursday

    Thursday: Snow. High near 21. Wind chill values as low as -7. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Blustery.
    Snow Likely
    then Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 6. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Blustery.
    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 27. Little or no snow accumulation expected.

    High: 27 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 25. Southwest wind around 17 mph, with gusts as high as 21 mph.
Wednesday
Snow, mainly after 9am. The snow could be heavy at times. High near 32. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 12. Wind chill values as low as -2. Windy, with a southwest wind 27 to 32 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow. High near 21. Wind chill values as low as -7. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 6. Blustery, with a north northwest wind 22 to 25 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 27. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 48.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 28.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Sun Valley ID
 43.81°N 114.21°W (Elev. 10249 ft)
Last Update:
12:31 am MDT Apr 15, 2026
Forecast Valid:
1am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation