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 E 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Apr 12:50 AM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31. West wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of snow before noon, then rain, possibly mixed with snow.  High near 43. South southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm.  Low around 23. South southwest wind 7 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 29. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Calm wind.
Tuesday
Mostly sunny, with a high near 45. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 31. West wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
A chance of snow before noon, then rain, possibly mixed with snow. High near 43. South southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Low around 23. South southwest wind 7 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday
Snow likely, mainly after noon. Mostly cloudy, with a high near 29. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
A chance of rain and snow. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.1°N 113.99°W (Elev. 6660 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