Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

34°F

1°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 10 Nov 10:05 AM MST
Extended Forecast for

18 Miles NW Mackay ID

  • Today

    Today: Partly sunny, with a high near 57. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South southeast wind 5 to 7 mph becoming north northwest in the evening.

    Low: 33 °F

    Decreasing
    Clouds

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 53. Calm wind becoming west around 6 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 34. Southwest wind around 6 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. South wind 5 to 8 mph.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers, mainly after 11am.  Partly sunny, with a high near 49.

    High: 49 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 11pm, then rain and snow showers likely between 11pm and 2am, then snow showers likely after 2am.  Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Rain/Snow

  • Friday

    Friday: A 40 percent chance of snow showers.  Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 57. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South southeast wind 5 to 7 mph becoming north northwest in the evening.
Veterans Day
Mostly sunny, with a high near 53. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 34. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 54. South wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 50 percent chance of showers, mainly after 11am. Partly sunny, with a high near 49.
Thursday Night
Rain showers before 11pm, then rain and snow showers likely between 11pm and 2am, then snow showers likely after 2am. Low around 24. Chance of precipitation is 80%.
Friday
A 40 percent chance of snow showers. Partly sunny, with a high near 34.
Friday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 36.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 22.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 40. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Mackay ID
 44.09°N 113.87°W (Elev. 6250 ft)
4:31 am MST Nov 10, 2025
10am MST Nov 10, 2025-6pm MST Nov 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