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.

Overcast

34°F

1°C

Humidity 37%
Wind Speed W 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 16 Apr 11:20 AM MDT
Extended Forecast for

21 Miles NNW Mackay ID

  • Today

    Today: Snow showers likely. The snow could be heavy at times. Some thunder is also possible.  Mostly cloudy and cold, with a high near 10. Wind chill values as low as -13. Blustery, with a west northwest wind around 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 10 °F

    Heavy Snow
    and Blustery

  • Tonight

    Tonight: A 30 percent chance of snow showers before 9pm.  Mostly cloudy, with a low around 4. Wind chill values as low as -16. Blustery, with a north northwest wind 18 to 25 mph, with gusts as high as 36 mph.  New snow accumulation of less than one inch possible.

    Low: 4 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers after noon.  Mostly sunny, with a high near 18. Wind chill values as low as -14. Northwest wind around 18 mph, with gusts as high as 28 mph.  Little or no snow accumulation expected.

    High: 18 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Wind chill values as low as -4. West wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Snow showers likely. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -13. Blustery, with a west northwest wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 30 percent chance of snow showers before 9pm. Mostly cloudy, with a low around 4. Wind chill values as low as -16. Blustery, with a north northwest wind 18 to 25 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 18. Wind chill values as low as -14. Northwest wind around 18 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 10. Wind chill values as low as -4. West wind 10 to 18 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 29. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 43. Breezy.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 30. Breezy.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 41. Breezy. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
11:31 am MDT Apr 16, 2026
11am 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