Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Smiths Ferry (ITD36)

Lat: 44.30107°NLon: 116.08926°WElev: 4603.0ft.

unknown precip

38°F

3°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility 1.24 mi
Last update 09 Dec 06:30 PM MST
Extended Forecast for

Cascade ID

  • Tonight

    Tonight: Rain.  Areas of fog before 8pm. Low around 35. Calm wind becoming southeast 5 to 8 mph in the evening.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain and
    Areas Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 11am.  Mostly cloudy, with a high near 46. South southeast wind 7 to 9 mph.

    High: 46 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South southeast wind 3 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Patchy fog between 8am and 11am.  Otherwise, partly sunny, with a high near 46. Light south southwest wind.

    High: 46 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 20 percent chance of rain.  Patchy fog after 8pm.  Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain. Areas of fog before 8pm. Low around 35. Calm wind becoming southeast 5 to 8 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 46. South southeast wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South southeast wind 3 to 8 mph.
Thursday
A 20 percent chance of rain after 11am. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 46. Light south southwest wind.
Thursday Night
A 20 percent chance of rain. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Friday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 46.
Friday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 27.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A slight chance of rain and snow before 11am, then a slight chance of rain. Snow level 5400 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Sunday Night
A slight chance of rain and snow. Snow level 6000 feet. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Monday
A chance of rain and snow. Snow level 5600 feet rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Monday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Tuesday
Rain and snow likely. Snow level 5900 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade ID
 44.53°N 116.05°W (Elev. 4934 ft)
2:04 pm MST Dec 9, 2025
6pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

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