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

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

36°F

2°C

Humidity 34%
Wind Speed WNW 17 MPH
Barometer 29.38 in (994.92 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Feb 01:20 PM MST
Extended Forecast for

12 Miles NNE Mackay ID

  • This Afternoon

    This Afternoon: A 50 percent chance of snow.  Mostly cloudy, with a high near 15. Wind chill values as low as -7. West northwest wind 16 to 18 mph, with gusts as high as 26 mph.  Total daytime snow accumulation of 1 to 2 inches possible.

    High: 15 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around -1. Wind chill values as low as -19. West northwest wind 15 to 21 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: -1 °F

    Snow Likely

  • Thursday

    Thursday: A slight chance of snow before 8am, then a slight chance of snow after 1pm.  Mostly sunny and cold, with a high near 9. Wind chill values as low as -18. West southwest wind 9 to 13 mph becoming south in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    High: 9 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around -3. Wind chill values as low as -22. South southwest wind 9 to 11 mph becoming west after midnight.

    Low: -3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 11. West wind 10 to 13 mph, with gusts as high as 20 mph.  Little or no snow accumulation expected.

    High: 11 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Mostly cloudy, with a high near 15. Wind chill values as low as -7. West northwest wind 16 to 18 mph, with gusts as high as 26 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow likely, mainly before 10pm. Mostly cloudy, with a low around -1. Wind chill values as low as -19. West northwest wind 15 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
A slight chance of snow before 8am, then a slight chance of snow after 1pm. Mostly sunny and cold, with a high near 9. Wind chill values as low as -18. West southwest wind 9 to 13 mph becoming south in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -3. Wind chill values as low as -22. South southwest wind 9 to 11 mph becoming west after midnight.
Friday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 11. West wind 10 to 13 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around -1.
Saturday
Sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Mostly clear, with a low around 13.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 26.
Monday Night
Snow likely. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
11:46 am MST Feb 18, 2026
1pm 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