Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat 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 the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

39°F

4°C

Humidity 69%
Wind Speed SSW 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Apr 01:20 AM MDT
Extended Forecast for

17 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. North wind around 6 mph becoming light and variable.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 29. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 39. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 19. Breezy, with a south southwest wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 19 °F

    Heavy Snow
    and Breezy
    then Snow
    Likely

  • Thursday

    Thursday: Snow.  High near 24. Blustery.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before midnight.  Mostly cloudy, with a low around 13. Blustery.  New snow accumulation of around an inch possible.

    Low: 13 °F

    Chance Snow
    and Blustery
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. North wind around 6 mph becoming light and variable.
Tuesday
Sunny, with a high near 42. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 29. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Wednesday
Snow, mainly after noon. High near 39. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 19. Breezy, with a south southwest wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 24. Blustery. 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 13. Blustery. New snow accumulation of around an inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 46. Breezy.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 32.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
12:30 am MDT Apr 14, 2026
1am 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