National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

16°F

-9°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 04 Dec 02:30 AM MST
Extended Forecast for

21 Miles WNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 18. Light west wind.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 4pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Patchy Fog
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow before 11pm, then a slight chance of snow after 4am. Patchy fog before midnight, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 25. West northwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    and Patchy
    Fog

  • Friday

    Friday: Snow, mainly after 11am. Areas of fog before 9am. High near 36. West southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow and
    Areas Fog

  • Friday Night

    Friday Night: Snow. Low around 28. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. Light west wind.
Thursday
A 30 percent chance of snow, mainly after 4pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow before 11pm, then a slight chance of snow after 4am. Patchy fog before midnight, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 25. West northwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Friday
Snow, mainly after 11am. Areas of fog before 9am. High near 36. West southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Snow. Low around 28. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 17.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 34.
Sunday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 38.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
Last Update:
2:01 am MST Dec 4, 2025
Forecast Valid:
2am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation