Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

45°F

7°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Dec 01:05 PM MST
Extended Forecast for

20 Miles WNW Mackay ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. West southwest wind around 10 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Southwest wind around 9 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Southwest wind 6 to 10 mph becoming west northwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. South wind 6 to 9 mph becoming west in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. West wind 5 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. West southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 31. Southwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 47. Southwest wind 6 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 32. South wind 6 to 9 mph becoming west in the evening.
Friday
Mostly sunny, with a high near 46. West wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 46.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 50%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles WNW Mackay ID
 44.01°N 114°W (Elev. 6588 ft)
1:05 pm MST Dec 10, 2025
1pm MST Dec 10, 2025-6pm MST Dec 16, 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