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 3 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Apr 09:55 AM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Today

    Today: Snow showers.  High near 39. South wind around 9 mph becoming west in the afternoon.  Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.

    High: 39 °F

    Snow Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 27 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. West wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers before 3pm, then rain, possibly mixed with snow showers.  High near 42. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after midnight.  Low around 25. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers.  High near 28. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers. High near 39. South wind around 9 mph becoming west in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
A 20 percent chance of snow showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 45. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32. West wind 6 to 13 mph, with gusts as high as 18 mph.
Wednesday
Snow showers before 3pm, then rain, possibly mixed with snow showers. High near 42. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after midnight. Low around 25. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 28. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.17°N 113.88°W (Elev. 6821 ft)
5:31 am MDT Apr 13, 2026
10am 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