Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

36°F

2°C

Humidity 31%
Wind Speed WNW 12 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Apr 02:35 PM MDT
Extended Forecast for

17 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers likely. Some thunder is also possible.  Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 23 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow Showers
    Likely and
    Blustery

  • Tonight

    Tonight: A 30 percent chance of snow showers before 9pm.  Mostly cloudy, with a low around 11. Wind chill values as low as -6. Blustery, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 41 mph.  New snow accumulation of less than one inch possible.

    Low: 11 °F

    Chance Snow
    Showers and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 30. Wind chill values as low as -3. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 17. Northwest wind 5 to 11 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Light west southwest wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

This Afternoon
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 23 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 30 percent chance of snow showers before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as -6. Blustery, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 41 mph. New snow accumulation of less than one inch possible.
Friday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 30. Wind chill values as low as -3. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 17. Northwest wind 5 to 11 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 42. Light west southwest wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 57. Breezy.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A 20 percent chance of rain. Snow level 8800 feet. Mostly sunny, with a high near 57. Breezy.
Tuesday Night
A chance of rain and snow. Snow level 9200 feet lowering to 8500 feet after midnight . Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 30%.
Wednesday
Snow likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
1:16 pm MDT Apr 16, 2026
2pm MDT Apr 16, 2026-6pm MDT Apr 22, 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