Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

39°F

4°C

Humidity 64%
Wind Speed SW 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Apr 08:35 AM MDT
Extended Forecast for

21 Miles N Mackay ID

  • Today

    Today: Mostly sunny, with a high near 45. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. West wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 43. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Low around 21. South southwest wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 27. Northwest wind 10 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before midnight.  Mostly cloudy, with a low around 14. New snow accumulation of less than one inch possible.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Partly sunny, with a high near 32. Little or no snow accumulation expected.

    High: 32 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 45. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 30. West wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Snow, mainly after noon. High near 43. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 21. South southwest wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 27. Northwest wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 14. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow after noon. Partly sunny, with a high near 32. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
A 20 percent chance of snow. Snow level 7700 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 33.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
5:31 am MDT Apr 14, 2026
8am MDT Apr 14, 2026-6pm MDT Apr 20, 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