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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Overcast

32°F

0°C

Humidity 80%
Wind Speed NW 9 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Feb 07:47 AM MST
Extended Forecast for

Sun Valley ID

  • Today

    Today: Patchy dense fog after 3pm. Otherwise, mostly sunny, with a high near 33. Calm wind becoming south around 6 mph in the afternoon.

    High: 33 °F

    Mostly Sunny
    then Patchy
    Dense Fog

  • Tonight

    Tonight: Patchy dense fog before 1am, then patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 18. Light and variable wind.

    Low: 18 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 35. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 35 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. South southwest wind around 6 mph becoming light and variable in the evening.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Patchy dense fog after 3pm. Otherwise, mostly sunny, with a high near 33. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Patchy dense fog before 1am, then patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 18. Light and variable wind.
Friday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 35. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 20. South southwest wind around 6 mph becoming light and variable in the evening.
Saturday
Partly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 44.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Washington's Birthday
A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.
Monday Night
Rain and snow likely before 11pm, then snow. Low around 22. Chance of precipitation is 80%.
Tuesday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.67°N 114.33°W (Elev. 6014 ft)
Last Update:
4:31 am MST Feb 12, 2026
Forecast Valid:
9am MST Feb 12, 2026-6pm MST Feb 18, 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