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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Gem Valley (ITDC3)

Lat: 42.64943°NLon: 111.82603°WElev: 5523.0ft.

NA

34°F

1°C

Humidity 94%
Wind Speed SE 7 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility 1.24 mi
Wind Chill28°F (-2°C)
Last update 03 Jan 05:15 AM MST
Extended Forecast for

8 Miles SW Downey ID

Dense Fog Advisory until January 3, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 3, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 34 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 2pm. Otherwise, partly sunny, with a high near 42. South wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 42 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Rain before 10pm, then rain likely, possibly mixed with snow between 10pm and 11pm, then rain likely after 11pm. Snow level 7200 feet. Steady temperature around 41. South southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 41 °F

    Rain/Snow
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely before 8am, then rain, possibly mixed with snow. Snow level 6900 feet. High near 40. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain before 2am, then rain likely, possibly mixed with snow. Snow level 6700 feet lowering to 6100 feet after midnight . Low around 35. South wind around 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 34. South wind around 10 mph.
Saturday
Patchy fog before 2pm. Otherwise, partly sunny, with a high near 42. South wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Rain before 10pm, then rain likely, possibly mixed with snow between 10pm and 11pm, then rain likely after 11pm. Snow level 7200 feet. Steady temperature around 41. South southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain likely before 8am, then rain, possibly mixed with snow. Snow level 6900 feet. High near 40. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain before 2am, then rain likely, possibly mixed with snow. Snow level 6700 feet lowering to 6100 feet after midnight . Low around 35. South wind around 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Tuesday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30.
Wednesday
Snow. High near 33. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 28.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Downey ID
 42.35°N 112.23°W (Elev. 5600 ft)
Last Update:
4:38 am MST Jan 3, 2026
Forecast Valid:
5am MST Jan 3, 2026-6pm MST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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