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.

Clear

54°F

12°C

Humidity 40%
Wind Speed SSE 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 09 Dec 11:20 AM MST
Extended Forecast for

21 Miles WNW Mackay ID

  • Today

    Today: A chance of rain before 4pm, then a chance of rain and snow.  Partly sunny, with a temperature falling to around 35 by 5pm. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely before 3am, then a chance of rain.  Mostly cloudy, with a temperature rising to around 38 by 5am. West southwest wind around 7 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am.  Partly sunny, with a high near 44. West wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 44 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. West wind 8 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West wind 6 to 9 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain before 4pm, then a chance of rain and snow. Partly sunny, with a temperature falling to around 35 by 5pm. West northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Rain and snow likely before 3am, then a chance of rain. Mostly cloudy, with a temperature rising to around 38 by 5am. West southwest wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A 30 percent chance of rain before 11am. Partly sunny, with a high near 44. West wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 30. West wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 45. West wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
10:30 am MST Dec 9, 2025
11am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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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