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

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.

Clear

55°F

13°C

Humidity 24%
Wind Speed WNW 13 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 14 Apr 03:20 PM MDT
Extended Forecast for

12 Miles NNE Mackay ID

  • Tonight

    Tonight: Increasing clouds, with a low around 24. West southwest wind 17 to 21 mph, with gusts as high as 29 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 31. Breezy, with a southwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times.  Low around 12. Wind chill values as low as -3. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 44 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 12 °F

    Heavy Snow
    and Windy

  • Thursday

    Thursday: Snow showers.  High near 18. Wind chill values as low as -8. Blustery, with a west northwest wind 21 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 18 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 7. Windy, with a north northwest wind 29 to 31 mph, with gusts as high as 44 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: 7 °F

    Windy. Chance
    Snow Showers
    then Partly
    Cloudy

  • Friday

    Friday: Snow showers likely after noon.  Partly sunny, with a high near 22. Blustery.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Blustery.
    Mostly Sunny
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 24. West southwest wind 17 to 21 mph, with gusts as high as 29 mph.
Wednesday
Snow showers, mainly after noon. High near 31. Breezy, with a southwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 12. Wind chill values as low as -3. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow showers. High near 18. Wind chill values as low as -8. Blustery, with a west northwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 7. Windy, with a north northwest wind 29 to 31 mph, with gusts as high as 44 mph. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers likely after noon. Partly sunny, with a high near 22. Blustery. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 37. Breezy.
Sunday Night
Partly cloudy, with a low around 29. Breezy.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 43. Breezy.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
1:20 pm MDT Apr 14, 2026
3pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database