Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

light snow,mist

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.35 in (993.91 mb)
Dewpoint 25°F (-4°C)
Visibility 4.00 mi
Last update 18 Feb 05:05 AM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Overnight

    Overnight: A 40 percent chance of snow.  Mostly cloudy, with a low around 4. Wind chill values as low as -12. Southwest wind around 14 mph, with gusts as high as 21 mph.  Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 3pm. The snow could be heavy at times.  Mostly cloudy and cold, with a high near 9. Wind chill values as low as -12. West northwest wind 11 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 9 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly between 11pm and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around -5. Wind chill values as low as -24. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: -5 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow.  Partly sunny and cold, with a high near 6. Wind chill values as low as -24. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 6 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around -5. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    Low: -5 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am.  Partly sunny and cold, with a high near 8. Little or no snow accumulation expected.

    High: 8 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around -6.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 4. Wind chill values as low as -12. Southwest wind around 14 mph, with gusts as high as 21 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow likely, mainly after 3pm. The snow could be heavy at times. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -12. West northwest wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 30 percent chance of snow, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around -5. Wind chill values as low as -24. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
A 30 percent chance of snow. Partly sunny and cold, with a high near 6. Wind chill values as low as -24. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -5. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near 8. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around -6.
Saturday
Sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 18.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 9.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 23.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 12. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
4:31 am MST Feb 18, 2026
5am MST Feb 18, 2026-6pm MST Feb 24, 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