Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

43°F

6°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Apr 02:05 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. South wind around 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible.  High near 29. Breezy, with a south southeast wind 11 to 16 mph increasing to 19 to 24 mph in the morning. Winds could gust as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am.  Partly cloudy, with a low around 17. West southwest wind 14 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 25. West southwest wind 15 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 17. West northwest wind 11 to 17 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow.  High near 26. Breezy.  Chance of precipitation is 90%.

    High: 26 °F

    Snow Likely
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 14. Breezy.  Chance of precipitation is 90%.

    Low: 14 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. South wind around 10 mph.
Sunday
Snow likely before noon, then snow showers, mainly after noon. Some thunder is also possible. High near 29. Breezy, with a south southeast wind 11 to 16 mph increasing to 19 to 24 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow likely, mainly before 1am. Partly cloudy, with a low around 17. West southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 25. West southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. West northwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow. High near 26. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 14. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 16. Blustery. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8. Blustery.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
12:31 am MDT Apr 12, 2026
2am MDT Apr 12, 2026-6pm MDT Apr 18, 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