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 60%
Wind Speed SSW 10 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Apr 11:35 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Snow showers. The snow could be heavy at times.  High near 24. West southwest wind 17 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 24 °F

    Heavy Snow

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 15. West northwest wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 15 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. West southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 27. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 27 °F

    Chance Snow
    Showers then
    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times.  Low around 13. Breezy.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 13 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 15. Blustery.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 6. Blustery.

    Low: 6 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. High near 24. West southwest wind 17 to 20 mph, with gusts as high as 31 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 15. West northwest wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 25 mph.
Tuesday
Mostly sunny, with a high near 29. West southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 21. West wind 14 to 20 mph, with gusts as high as 29 mph.
Wednesday
Snow showers, mainly after noon. High near 27. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 13. Breezy. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow showers. High near 15. Blustery. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 6. Blustery.
Friday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 18.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 33. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
11:31 am MDT Apr 13, 2026
11am 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