Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Partly Cloudy

41°F

5°C

Humidity 75%
Wind Speed SE 9 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 08 Dec 04:55 PM MST
Extended Forecast for

Sun Valley ID

  • This Afternoon

    This Afternoon: A 20 percent chance of rain.  Snow level 6500 feet. Partly sunny, with a steady temperature around 37. South wind around 10 mph.

    High: 37 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 5am.  Snow level 6600 feet rising to 7400 feet after midnight. Mostly cloudy, with a low around 28. South wind 7 to 10 mph.  Chance of precipitation is 60%.

    Low: 28 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Snow level 7500 feet. Partly sunny, with a high near 45. South southeast wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Snow level 7400 feet rising to 8500 feet after midnight. Mostly cloudy, with a low around 33. South southeast wind 8 to 11 mph becoming west in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 11am.  Snow level 9000 feet. Partly sunny, with a high near 49. West wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Snow level 8700 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Snow level 6500 feet. Partly sunny, with a steady temperature around 37. South wind around 10 mph.
Tonight
Rain likely, mainly after 5am. Snow level 6600 feet rising to 7400 feet after midnight. Mostly cloudy, with a low around 28. South wind 7 to 10 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Snow level 7500 feet. Partly sunny, with a high near 45. South southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Rain likely. Snow level 7400 feet rising to 8500 feet after midnight. Mostly cloudy, with a low around 33. South southeast wind 8 to 11 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of rain, mainly before 11am. Snow level 9000 feet. Partly sunny, with a high near 49. West wind 8 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 8700 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A slight chance of rain and snow. Snow level rising to 6400 feet in the afternoon. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.67°N 114.33°W (Elev. 6014 ft)
4:32 pm MST Dec 8, 2025
5pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
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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