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

LOOKOUT (LKTI1)

Lat: 47.45792°NLon: 115.70577°WElev: 5140.0ft.

NA

31°F

-1°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

5 Miles SSW Lookout Pass MT

Flood Watch December 10, 02:35am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 02:35am until December 12, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • Overnight

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 44. Southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 44 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain. Steady temperature around 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 44 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain before 4pm, then rain, possibly mixed with snow. Snow level 7100 feet lowering to 6000 feet in the afternoon . High near 43. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F

    Rain then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow. Snow level 5300 feet. Low around 39. West wind 7 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow. Snow level 5900 feet. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 50 percent chance of rain. Snow level 6100 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 10am. Snow level 5500 feet. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Rain

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Snow level 6700 feet rising to 7400 feet. Low around 33. South wind around 9 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 44. Southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Steady temperature around 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain before 4pm, then rain, possibly mixed with snow. Snow level 7100 feet lowering to 6000 feet in the afternoon . High near 43. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain and snow. Snow level 5300 feet. Low around 39. West wind 7 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. Snow level 5900 feet. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
A 50 percent chance of rain. Snow level 6100 feet. Mostly cloudy, with a low around 37.
Saturday
A 40 percent chance of rain, mainly before 10am. Snow level 5500 feet. Partly sunny, with a high near 42.
Saturday Night
A 20 percent chance of rain after 10pm. Snow level 5700 feet. Mostly cloudy, with a low around 35.
Sunday
A 50 percent chance of rain. Snow level 5300 feet. Mostly cloudy, with a high near 41.
Sunday Night
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Monday
Rain likely. Snow level 5600 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Monday Night
Rain, possibly mixed with snow. Snow level 5900 feet. Low around 36. Chance of precipitation is 90%.
Tuesday
Rain and snow. Snow level 4800 feet. High near 38. Chance of precipitation is 90%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lookout Pass MT
 47.35°N 115.76°W (Elev. 4633 ft)
Last Update:
1:13 am PST Dec 10, 2025
Forecast Valid:
2am 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