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

36°F

2°C

Humidity 93%
Wind Speed NNE 4 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Apr 07:30 AM MDT
Extended Forecast for

19 Miles NE Mackay ID

  • Today

    Today: Snow likely before noon, then snow showers likely, mainly between noon and 5pm. Some thunder is also possible.  Partly sunny, with a high near 43. Breezy, with a south southeast wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: A 50 percent chance of snow between midnight and 2am.  Partly cloudy, with a low around 27. West southwest wind 8 to 17 mph, with gusts as high as 25 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 37. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 28. West northwest wind 8 to 10 mph.

    Low: 28 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. West northwest wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 39. Breezy.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 24. Breezy.  Chance of precipitation is 90%.

    Low: 24 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

Detailed Forecast

Today
Snow likely before noon, then snow showers likely, mainly between noon and 5pm. Some thunder is also possible. Partly sunny, with a high near 43. Breezy, with a south southeast wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
A 50 percent chance of snow between midnight and 2am. Partly cloudy, with a low around 27. West southwest wind 8 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 28. West northwest wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 42. West northwest wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Snow, mainly after noon. High near 39. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 24. Breezy. Chance of precipitation is 90%.
Thursday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Mackay ID
 44.1°N 113.32°W (Elev. 8199 ft)
5:31 am MDT Apr 12, 2026
7am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database