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

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Mostly Cloudy

34°F

1°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Dec 04:35 AM MST
Extended Forecast for

32 Miles NE Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow, mainly before 5am.  Mostly cloudy, with a steady temperature around 29. West wind around 11 mph, with gusts as high as 18 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. West wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. West wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly before 5am. Mostly cloudy, with a steady temperature around 29. West wind around 11 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 37. West wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 28. West wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 35. West wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 29. West wind 10 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 32.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
32 Miles NE Mackay ID
 44.17°N 113.07°W (Elev. 10000 ft)
4:31 am MST Dec 10, 2025
4am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database