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 80%
Wind Speed SE 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Apr 02:20 PM MDT
Extended Forecast for

14 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers, mainly before 5pm. The snow could be heavy at times.  High near 23. West northwest wind around 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 23 °F

    Heavy Snow

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly before 10pm.  Mostly cloudy, with a low around 15. North northwest wind 10 to 16 mph, with gusts as high as 24 mph.  New snow accumulation of around an inch possible.

    Low: 15 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 26. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 26 °F

    Chance Snow
    Showers then
    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times.  Low around 11. Breezy.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 11 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 16. Blustery.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 7. Windy.

    Low: 7 °F

    Chance Snow
    and Windy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Partly sunny, with a high near 19. Blustery.

    High: 19 °F

    Blustery.
    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Snow showers, mainly before 5pm. The snow could be heavy at times. High near 23. West northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
A 40 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 15. North northwest wind 10 to 16 mph, with gusts as high as 24 mph. New snow accumulation of around an inch possible.
Tuesday
Mostly sunny, with a high near 28. Southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 20. West wind 14 to 20 mph, with gusts as high as 29 mph.
Wednesday
Snow showers, mainly after noon. High near 26. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 11. Breezy. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow showers. High near 16. Blustery. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 7. Windy.
Friday
A 30 percent chance of snow after noon. Partly sunny, with a high near 19. Blustery.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 18. Breezy.
Sunday
Mostly sunny, with a high near 33. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
12:31 pm MDT Apr 13, 2026
2pm MDT Apr 13, 2026-6pm MDT Apr 19, 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