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Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

NA

46°F

8°C

Humidity 49%
Wind Speed ESE 11 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Apr 11:50 AM MDT
Extended Forecast for

14 Miles E Sun Valley ID

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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. West southwest wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow showers after 4am. Increasing clouds, with a low around 24. Southwest wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Mostly Clear
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers, mainly after 9am. The snow could be heavy at times. High near 38. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 38 °F

    Heavy Snow
    then Heavy
    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Low around 17. Breezy, with a southwest wind 16 to 25 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 17 °F

    Heavy Snow
    and Breezy
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 28. West northwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Showers
    Likely then
    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 11. Blustery. New snow accumulation of less than one inch possible.

    Low: 11 °F

    Chance Snow
    Showers and
    Blustery then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of snow showers after noon. Mostly sunny, with a high near 31. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Sunny then
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. West southwest wind 15 to 18 mph, with gusts as high as 31 mph.
Tonight
A 20 percent chance of snow showers after 4am. Increasing clouds, with a low around 24. Southwest wind 10 to 18 mph, with gusts as high as 30 mph.
Wednesday
Snow showers, mainly after 9am. The snow could be heavy at times. High near 38. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 17. Breezy, with a southwest wind 16 to 25 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. High near 28. West northwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 11. Blustery. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow showers after noon. Mostly sunny, with a high near 31. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles E Sun Valley ID
 43.72°N 114.04°W (Elev. 7956 ft)
Last Update:
12:31 pm MDT Apr 14, 2026
Forecast Valid:
12pm MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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