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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 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

16 Miles ENE Sun Valley ID

Winter Weather Advisory April 15, 02:12am until April 16, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 15, 02:12am until April 16, 12:00pm

    NOW until 12:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after 10am. The snow could be heavy at times. High near 26. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. The snow could be heavy at times. Low around 8. Wind chill values as low as -9. Windy, with a west southwest wind 26 to 31 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 8 °F

    Heavy Snow
    and Windy
    then Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Snow. High near 12. Wind chill values as low as -11. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Snow Likely
    then Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before midnight. Partly cloudy, with a low around 5. Blustery, with a north northwest wind 23 to 25 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.

    Low: 5 °F

    Blustery.
    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 17. Little or no snow accumulation expected.

    High: 17 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 20. West southwest wind around 16 mph, with gusts as high as 23 mph.
Wednesday
Snow, mainly after 10am. The snow could be heavy at times. High near 26. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow, mainly before 1am. The snow could be heavy at times. Low around 8. Wind chill values as low as -9. Windy, with a west southwest wind 26 to 31 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow. High near 12. Wind chill values as low as -11. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before midnight. Partly cloudy, with a low around 5. Blustery, with a north northwest wind 23 to 25 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 17. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 35. Breezy.
Sunday Night
Partly cloudy, with a low around 25. Breezy.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 40. Breezy.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 27. Breezy.
Tuesday
A 40 percent chance of snow. Partly sunny, with a high near 41. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ENE Sun Valley ID
 43.77°N 114.02°W (Elev. 9820 ft)
Last Update:
12:31 am MDT Apr 15, 2026
Forecast Valid:
2am 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