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 56%
Wind Speed SSE 5 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Apr 10:20 AM MDT
Extended Forecast for

21 Miles N Mackay ID

  • Today

    Today: Snow showers.  High near 40. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

    High: 40 °F

    Snow Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm.  Mostly cloudy, with a low around 26. West northwest wind 5 to 11 mph.

    Low: 26 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 43. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    Showers then
    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 23. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers.  High near 28. Blustery.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 20 percent chance of snow.  Mostly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Snow showers. High near 40. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around 26. West northwest wind 5 to 11 mph.
Tuesday
Mostly sunny, with a high near 46. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 30. West wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday
Snow showers, mainly after noon. High near 43. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers. Low around 23. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. High near 28. 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 14. Blustery.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
5:31 am MDT Apr 13, 2026
10am 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