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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Gem Valley (ITDC3)

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

NA

35°F

2°C

Humidity 70%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Wind Chill26°F (-3°C)
Last update 07 Dec 01:30 PM MST
Extended Forecast for

Downey ID

  • This Afternoon

    This Afternoon: A chance of rain and snow showers. Snow level 5100 feet. Cloudy, with a high near 39. Southeast wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers likely, mainly before 11pm. Patchy fog after 11pm. Snow level 5000 feet rising to 5900 feet after midnight. Otherwise, cloudy, with a low around 26. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Monday

    Monday: A chance of rain and snow showers before 8am, then a chance of rain showers. Areas of fog before 11am. Snow level 6200 feet. Otherwise, mostly cloudy, with a high near 42. South wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow and
    Areas Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of rain showers before 8pm, then a chance of rain and snow showers. Snow level 6200 feet. Mostly cloudy, with a low around 27. South wind 8 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Showers likely, mainly after 11am. Snow level 6600 feet rising to 7200 feet in the afternoon. Cloudy, with a high near 43. South southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 43 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Snow level 7300 feet rising to 8300 feet after midnight. Cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Snow level 8000 feet. Cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and snow before 2pm, then a chance of rain. Snow level 7400 feet. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.

    High: 46 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A chance of rain and snow showers. Snow level 5100 feet. Cloudy, with a high near 39. Southeast wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Rain and snow showers likely, mainly before 11pm. Patchy fog after 11pm. Snow level 5000 feet rising to 5900 feet after midnight. Otherwise, cloudy, with a low around 26. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A chance of rain and snow showers before 8am, then a chance of rain showers. Areas of fog before 11am. Snow level 6200 feet. Otherwise, mostly cloudy, with a high near 42. South wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A slight chance of rain showers before 8pm, then a chance of rain and snow showers. Snow level 6200 feet. Mostly cloudy, with a low around 27. South wind 8 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Showers likely, mainly after 11am. Snow level 6600 feet rising to 7200 feet in the afternoon. Cloudy, with a high near 43. South southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Snow level 7300 feet rising to 8300 feet after midnight. Cloudy, with a low around 32. Chance of precipitation is 70%.
Wednesday
Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of rain. Snow level 8000 feet. Cloudy, with a low around 34.
Thursday
A chance of rain and snow before 2pm, then a chance of rain. Snow level 7400 feet. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Thursday Night
A slight chance of rain and snow before 11pm. Snow level 7100 feet. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downey ID
 42.43°N 112.12°W (Elev. 4888 ft)
Last Update:
10:31 am MST Dec 7, 2025
Forecast Valid:
1pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation