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

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Rain

37°F

3°C

Humidity 93%
Wind Speed ESE 11 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 36°F (2°C)
Visibility 6.00 mi
Wind Chill29°F (-2°C)
Last update 13 Apr 12:50 PM MDT
Extended Forecast for

11 Miles ENE Sun Valley ID

  • This Afternoon

    This Afternoon: Snow showers, mainly before 3pm. The snow could be heavy at times. High near 25. Wind chill values as low as -1. Southwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 6 to 10 inches possible.

    High: 25 °F

    Heavy Snow

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. North wind 11 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after midnight. Increasing clouds, with a low around 18. West wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 18 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers. The snow could be heavy at times. High near 27. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 27 °F

    Snow Showers
    Likely then
    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Low around 12. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 12 °F

    Breezy. Heavy
    Snow then
    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 17. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 17 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 6. Blustery.

    Low: 6 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Snow showers, mainly before 3pm. The snow could be heavy at times. High near 25. Wind chill values as low as -1. Southwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. North wind 11 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 28. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 20 percent chance of snow showers after midnight. Increasing clouds, with a low around 18. West wind 15 to 20 mph, with gusts as high as 31 mph.
Wednesday
Snow showers. The snow could be heavy at times. High near 27. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 12. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow showers. High near 17. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 6. Blustery.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Sun Valley ID
 43.74°N 114.13°W (Elev. 10226 ft)
Last Update:
12:31 pm MDT Apr 13, 2026
Forecast Valid:
1pm MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation