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

37°F

3°C

Humidity 30%
Wind Speed NNW 14 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Apr 02:55 PM MDT
Extended Forecast for

16 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Snow showers likely.  Mostly cloudy and cold, with a high near 9. Wind chill values as low as -15. Blustery, with a northwest wind 24 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 9 °F

    Snow Showers
    Likely and
    Blustery

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm.  Mostly cloudy, with a low around 3. Wind chill values as low as -20. Blustery, with a north northwest wind 21 to 26 mph, with gusts as high as 38 mph.

    Low: 3 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 16. Wind chill values as low as -18. North northwest wind 17 to 20 mph, with gusts as high as 28 mph.

    High: 16 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9. Wind chill values as low as -5. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 28. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly 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 42. Breezy.

    High: 42 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

This Afternoon
Snow showers likely. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -15. Blustery, with a northwest wind 24 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around 3. Wind chill values as low as -20. Blustery, with a north northwest wind 21 to 26 mph, with gusts as high as 38 mph.
Friday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 16. Wind chill values as low as -18. North northwest wind 17 to 20 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 9. Wind chill values as low as -5. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 28. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 42. Breezy.
Monday Night
Partly cloudy, with a low around 30. Breezy.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 43. Breezy.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 30. Breezy.
Wednesday
Snow likely. Partly sunny, with a high near 33. Breezy. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25. Breezy.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
1:16 pm MDT Apr 16, 2026
3pm MDT Apr 16, 2026-6pm MDT Apr 23, 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