Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

36°F

2°C

Humidity 49%
Wind Speed SSW 9 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 26 Dec 11:55 PM MST
Extended Forecast for

6 Miles N Mackay ID

  • Overnight

    Overnight: A 40 percent chance of snow.  Mostly cloudy, with a steady temperature around 14. Wind chill values as low as -3. West southwest wind 14 to 16 mph, with gusts as high as 29 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly between 1pm and 3pm.  Partly sunny, with a temperature falling to around 4 by 5pm. Wind chill values as low as -14. West northwest wind 14 to 17 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    High: 14 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -5. Wind chill values as low as -26. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: -5 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 10. Wind chill values as low as -22. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 10 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2. West wind 6 to 8 mph.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 14. Wind chill values as low as -3. West southwest wind 14 to 16 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow, mainly between 1pm and 3pm. Partly sunny, with a temperature falling to around 4 by 5pm. Wind chill values as low as -14. West northwest wind 14 to 17 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around -5. Wind chill values as low as -26. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny and cold, with a high near 10. Wind chill values as low as -22. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 2. West wind 6 to 8 mph.
Monday
Sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 15.
New Year's Day
Partly sunny, with a high near 25.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Mackay ID
 44.01°N 113.61°W (Elev. 9623 ft)
10:31 pm MST Dec 26, 2025
12am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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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