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

Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

39°F

4°C

Humidity 66%
Wind Speed SSE 6 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 23 Apr 02:55 AM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Overnight

    Overnight: A 20 percent chance of snow showers before 4am. Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: A 50 percent chance of snow showers after noon. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 44. Breezy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Mostly Sunny
    then Chance
    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 24. Blustery, with a northwest wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Snow Showers
    Likely and
    Blustery then
    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Partly sunny, with a high near 36. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North wind 5 to 10 mph becoming light after midnight. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers. Partly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: A 50 percent chance of snow. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow showers before 4am. Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of snow showers after noon. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 44. Breezy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 24. Blustery, with a northwest wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 36. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North wind 5 to 10 mph becoming light after midnight. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow showers. Partly sunny, with a high near 42.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 26.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 43.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.
Monday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.1°N 113.99°W (Elev. 6660 ft)
Last Update:
2:36 am MDT Apr 23, 2026
Forecast Valid:
3am MDT Apr 23, 2026-6pm MDT Apr 29, 2026
 
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