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.

Overcast

54°F

12°C

Humidity 40%
Wind Speed WSW 10 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 11 Apr 07:35 PM MDT
Extended Forecast for

25 Miles N Mackay ID

  • Tonight

    Tonight: A 30 percent chance of snow before 8pm.  Mostly cloudy, with a low around 31. West wind 7 to 14 mph becoming southeast after midnight. Winds could gust as high as 20 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely before noon, then snow showers, mainly after 3pm. Some thunder is also possible.  High near 41. Breezy, with a southeast wind 9 to 14 mph becoming south southeast 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 26. West southwest wind 11 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 34. West southwest wind 11 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 21 mph.  New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow.  High near 34. Breezy.  Chance of precipitation is 80%.

    High: 34 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 20. Chance of precipitation is 80%.

    Low: 20 °F

    Snow

Detailed Forecast

Tonight
A 30 percent chance of snow before 8pm. Mostly cloudy, with a low around 31. West wind 7 to 14 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely before noon, then snow showers, mainly after 3pm. Some thunder is also possible. High near 41. Breezy, with a southeast wind 9 to 14 mph becoming south southeast 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. West southwest wind 11 to 18 mph, with gusts as high as 28 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 34. West southwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Snow. High near 34. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow. Low around 20. Chance of precipitation is 80%.
Thursday
Snow likely. Mostly cloudy, with a high near 25. Blustery. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 11.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mackay ID
 44.27°N 113.57°W (Elev. 8852 ft)
5:31 pm MDT Apr 11, 2026
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 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