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

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers likely. Some thunder is also possible.  Mostly cloudy, with a high near 13. Wind chill values as low as -11. Windy, with a northwest wind 29 to 31 mph, with gusts as high as 40 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 13 °F

    Snow Showers
    Likely and
    Windy

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm.  Mostly cloudy, with a low around 6. Wind chill values as low as -18. Windy, with a northwest wind 24 to 32 mph, with gusts as high as 41 mph.

    Low: 6 °F

    Slight Chance
    Snow Showers
    and Windy

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 20. Wind chill values as low as -15. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 28 mph.

    High: 20 °F

    Mostly Sunny
    and Blustery
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 14. Wind chill values as low as -2. Northwest wind 13 to 21 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 32. South southwest wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Breezy.

    High: 40 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Breezy.

    High: 46 °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 13. Wind chill values as low as -11. Windy, with a northwest wind 29 to 31 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 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around 6. Wind chill values as low as -18. Windy, with a northwest wind 24 to 32 mph, with gusts as high as 41 mph.
Friday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 20. Wind chill values as low as -15. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 14. Wind chill values as low as -2. Northwest wind 13 to 21 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 32. South southwest wind 11 to 17 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 40. Breezy.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 46. Breezy.
Monday Night
Partly cloudy, with a low around 35. Breezy.
Tuesday
A 20 percent chance of snow. Sunny, with a high near 48. Breezy.
Tuesday Night
A 30 percent chance of snow. Partly cloudy, with a low around 34. Breezy.
Wednesday
Snow likely. Partly sunny, with a high near 38. Breezy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 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