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

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 >

Hazardous Weather Conditions

Current conditions at

Wallace Viaduct (ITD90)

Lat: 47.47432°NLon: 115.90816°WElev: 2792.0ft.

Rain

37°F

3°C

Humidity 100%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Last update 10 Dec 03:00 AM PST
Extended Forecast for

9 Miles SW Wallace ID

Flood Watch December 10, 03:22am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 03:22am until December 12, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • Overnight

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 45. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 45 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 43. Breezy, with a southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 43 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain before 4pm, then rain likely, possibly mixed with snow. Snow level 7100 feet lowering to 6000 feet in the afternoon . High near 44. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Snow level 5300 feet. Low around 40. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow. Snow level 5900 feet. High near 44. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 50 percent chance of rain. Snow level 6200 feet. Cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 10am. Snow level 5600 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 39. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 45. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 43. Breezy, with a southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday
Rain before 4pm, then rain likely, possibly mixed with snow. Snow level 7100 feet lowering to 6000 feet in the afternoon . High near 44. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain likely, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Snow level 5300 feet. Low around 40. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. Snow level 5900 feet. High near 44. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A 50 percent chance of rain. Snow level 6200 feet. Cloudy, with a low around 39.
Saturday
A 30 percent chance of rain, mainly before 10am. Snow level 5600 feet. Mostly cloudy, with a high near 43.
Saturday Night
A 20 percent chance of rain after 10pm. Snow level 5800 feet. Mostly cloudy, with a low around 37.
Sunday
A 50 percent chance of rain. Snow level 5400 feet. Mostly cloudy, with a high near 43.
Sunday Night
A 40 percent chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 38.
Monday
Rain likely. Snow level 5700 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Monday Night
Rain. Snow level 6000 feet. Low around 37. Chance of precipitation is 90%.
Tuesday
Rain, possibly mixed with snow. Snow level 4800 feet. High near 41. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Wallace ID
 47.37°N 116.04°W (Elev. 3619 ft)
Last Update:
2:58 am PST Dec 10, 2025
Forecast Valid:
3am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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