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 55%
Wind Speed SSW 9 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 27 Dec 03:20 AM MST
Extended Forecast for

9 Miles NNE Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 5am.  Mostly cloudy, with a low around 6. Wind chill values as low as -7. Breezy, with a west southwest wind around 23 mph, with gusts as high as 39 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A chance of snow before 11am, then a chance of snow after 2pm.  Mostly sunny, with a temperature falling to around 3 by 5pm. Wind chill values as low as -17. Breezy, with a west wind 20 to 26 mph, with gusts as high as 43 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 13 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -3. Wind chill values as low as -28. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 38 mph.

    Low: -3 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 12. Wind chill values as low as -24. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 12 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 4. West northwest wind 7 to 11 mph.

    Low: 4 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °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 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 6. Wind chill values as low as -7. Breezy, with a west southwest wind around 23 mph, with gusts as high as 39 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 11am, then a chance of snow after 2pm. Mostly sunny, with a temperature falling to around 3 by 5pm. Wind chill values as low as -17. Breezy, with a west wind 20 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around -3. Wind chill values as low as -28. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 38 mph.
Sunday
Sunny, with a high near 12. Wind chill values as low as -24. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Clear, with a low around 4. West northwest wind 7 to 11 mph.
Monday
Sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Mostly clear, with a low around 18.
New Year's Day
Mostly sunny, with a high near 27.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mackay ID
 44.04°N 113.52°W (Elev. 9600 ft)
3:18 am MST Dec 27, 2025
3am 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