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

Mt. Margaret (ITDD1)

Lat: 46.93189°NLon: 116.69939°WElev: 2621.0ft.

Rain

44°F

7°C

Humidity 89%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Wind Chill39°F (4°C)
Last update 08 Dec 02:30 PM PST
Extended Forecast for

15 Miles ENE Onaway ID

Wind Advisory December 8, 07:00pm until December 9, 07:00am
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Rain.  High near 45. South wind around 10 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 39. Windy, with a west wind 17 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Windy

  • Tuesday

    Tuesday: Rain before 7am, then a chance of rain after 10am.  Snow level 4200 feet. High near 44. Breezy, with a southwest wind 15 to 20 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain and
    Breezy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 1am.  Snow level 4300 feet rising to 7900 feet after midnight. Low around 36. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain.  High near 48. West wind 10 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. High near 45. South wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain. Low around 39. Windy, with a west wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 7am, then a chance of rain after 10am. Snow level 4200 feet. High near 44. Breezy, with a southwest wind 15 to 20 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 1am. Snow level 4300 feet rising to 7900 feet after midnight. Low around 36. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain. High near 48. West wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 44. Chance of precipitation is 90%.
Thursday
Rain. High near 46. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 47.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
A 20 percent chance of rain. Snow level 6000 feet. Mostly cloudy, with a high near 46.
Saturday Night
A 40 percent chance of rain. Snow level 5900 feet. Mostly cloudy, with a low around 38.
Sunday
Rain likely. Snow level 5300 feet. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Onaway ID
 47.01°N 116.62°W (Elev. 3445 ft)
2:32 pm PST Dec 8, 2025
2pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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