Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Rain

45°F

7°C

Humidity 65%
Wind Speed NNE 18 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 09 Dec 03:35 PM MST
Extended Forecast for

23 Miles NNE Mackay ID

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly before 4pm.  Partly sunny, with a high near 33. West northwest wind around 17 mph, with gusts as high as 25 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow before 5am, then a slight chance of rain.  Mostly cloudy, with a temperature rising to around 33 by 4am. Breezy, with a west wind 14 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: A slight chance of rain and snow before 8am.  Snow level 9100 feet lowering to 8700 feet in the afternoon . Mostly sunny, with a high near 37. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Breezy, with a west wind around 22 mph, with gusts as high as 32 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 10 to 17 mph, with gusts as high as 21 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 33. West northwest wind around 17 mph, with gusts as high as 25 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 5am, then a slight chance of rain. Mostly cloudy, with a temperature rising to around 33 by 4am. Breezy, with a west wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of rain and snow before 8am. Snow level 9100 feet lowering to 8700 feet in the afternoon . Mostly sunny, with a high near 37. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 29. Breezy, with a west wind around 22 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 35. West wind 10 to 17 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 33.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNE Mackay ID
 44.23°N 113.5°W (Elev. 8740 ft)
1:19 pm MST Dec 9, 2025
3pm MST Dec 9, 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