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.

Mostly Cloudy

36°F

2°C

Humidity 31%
Wind Speed W 18 MPH
Barometer 29.4 in (995.6 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Feb 02:20 PM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 40 percent chance of snow.  Mostly cloudy and cold, with a steady temperature around 8. Wind chill values as low as -13. West northwest wind around 18 mph, with gusts as high as 28 mph.  Total daytime snow accumulation of 1 to 2 inches possible.

    High: 8 °F

    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 1am.  Mostly cloudy, with a low around -4. Wind chill values as low as -24. West northwest wind 14 to 18 mph, with gusts as high as 26 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: -4 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly between 1pm and 4pm.  Mostly sunny and cold, with a high near 7. Wind chill values as low as -23. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.  Little or no snow accumulation expected.

    High: 7 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around -5. Wind chill values as low as -22. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: -5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after 11am.  Partly sunny and cold, with a high near 9. West wind 10 to 14 mph, with gusts as high as 21 mph.  Little or no snow accumulation expected.

    High: 9 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Mostly cloudy and cold, with a steady temperature around 8. Wind chill values as low as -13. West northwest wind around 18 mph, with gusts as high as 28 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 50 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around -4. Wind chill values as low as -24. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
A 30 percent chance of snow, mainly between 1pm and 4pm. Mostly sunny and cold, with a high near 7. Wind chill values as low as -23. Southwest wind 10 to 14 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -5. Wind chill values as low as -22. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow after 11am. Partly sunny and cold, with a high near 9. West wind 10 to 14 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around -5.
Saturday
Sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 12.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 25.
Monday Night
Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Tuesday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
11:46 am MST Feb 18, 2026
2pm MST Feb 18, 2026-6pm MST Feb 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database