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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

41°F

5°C

Humidity 52%
Wind Speed SSW 9 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Apr 09:05 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Today

    Today: Snow showers. The snow could be heavy at times.  High near 27. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West northwest wind 14 to 21 mph, with gusts as high as 26 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 32. Breezy, with a west wind 13 to 22 mph, with gusts as high as 30 mph.

    High: 32 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 25. Breezy, with a west wind 20 to 25 mph, with gusts as high as 32 mph.

    Low: 25 °F

    Increasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 30. Windy, with a southwest wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Chance Snow
    Showers and
    Breezy then
    Snow Showers
    and Windy

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 14. Windy.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 14 °F

    Snow Showers
    and Windy

  • Thursday

    Thursday: Snow showers.  High near 18. Windy.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before midnight.  Mostly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. High near 27. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
A 20 percent chance of snow showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West northwest wind 14 to 21 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 32. Breezy, with a west wind 13 to 22 mph, with gusts as high as 30 mph.
Tuesday Night
Increasing clouds, with a low around 25. Breezy, with a west wind 20 to 25 mph, with gusts as high as 32 mph.
Wednesday
Snow showers, mainly after noon. High near 30. Windy, with a southwest wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers. Low around 14. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow showers. High near 18. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 10. Blustery.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 35. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
5:31 am MDT Apr 13, 2026
9am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database