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

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

17°C

63°F

Humidity 14%
Wind Speed NNW 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint -10°C (14°F)
Visibility 16 km
Last update 19 May 03:20 PM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Isolated snow showers. Partly sunny, with a high near 1. West southwest wind 21 to 23 km/h, with gusts as high as 34 km/h. Chance of precipitation is 20%.

    High: 1 °C

    Isolated Snow
    Showers

  • Tonight

    Tonight: Isolated snow showers before 11pm. Partly cloudy, with a low around -6. West wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h. Chance of precipitation is 20%.

    Low: -6 °C

    Isolated Snow
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Scattered snow showers, mainly after 5pm. Partly sunny, with a high near 3. West wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 3 °C

    Partly Sunny
    then
    Scattered
    Snow Showers

  • Wednesday Night

    Wednesday Night: Scattered snow showers. Mostly cloudy, with a low around -4. Northwest wind around 27 km/h, with gusts as high as 45 km/h. Chance of precipitation is 50%. New snow accumulation of 1 to 3 centimeters possible.

    Low: -4 °C

    Scattered
    Snow Showers

  • Thursday

    Thursday: Scattered snow showers before noon. Mostly sunny, with a high near 4. Breezy, with a north northwest wind 27 to 32 km/h increasing to 34 to 39 km/h. Winds could gust as high as 60 km/h. Chance of precipitation is 30%. New snow accumulation of around a centimeter possible.

    High: 4 °C

    Scattered
    Snow Showers
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3.

    Low: -3 °C

    Partly Cloudy

  • Friday

    Friday: Isolated snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 6. Chance of precipitation is 20%.

    High: 6 °C

    Mostly Sunny
    then Isolated
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2.

    Low: -2 °C

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °C

    Sunny

Detailed Forecast

This Afternoon
Isolated snow showers. Partly sunny, with a high near 1. West southwest wind 21 to 23 km/h, with gusts as high as 34 km/h. Chance of precipitation is 20%.
Tonight
Isolated snow showers before 11pm. Partly cloudy, with a low around -6. West wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h. Chance of precipitation is 20%.
Wednesday
Scattered snow showers, mainly after 5pm. Partly sunny, with a high near 3. West wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Scattered snow showers. Mostly cloudy, with a low around -4. Northwest wind around 27 km/h, with gusts as high as 45 km/h. Chance of precipitation is 50%. New snow accumulation of 1 to 3 centimeters possible.
Thursday
Scattered snow showers before noon. Mostly sunny, with a high near 4. Breezy, with a north northwest wind 27 to 32 km/h increasing to 34 to 39 km/h. Winds could gust as high as 60 km/h. Chance of precipitation is 30%. New snow accumulation of around a centimeter possible.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Isolated snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 6. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Sunny, with a high near 12.
Saturday Night
Partly cloudy, with a low around 1. Breezy.
Sunday
Mostly sunny, with a high near 13. Breezy.
Sunday Night
Partly cloudy, with a low around 2. Breezy.
Memorial Day
Mostly sunny, with a high near 13. Windy.
Monday Night
Partly cloudy, with a low around 0. Windy.
Tuesday
Mostly sunny, with a high near 11. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.71°W (Elev. 10135 m)
Last Update:
12:21 pm MDT May 19, 2026
Forecast Valid:
3pm MDT May 19, 2026-6pm MDT May 26, 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