Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

30°F

-1°C

Humidity	42%
Wind Speed	N 19 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	10°F (-12°C)
Visibility	10.00 mi
Wind Chill	18°F (-8°C)
Last update	27 Dec 11:55 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

18 Miles NNW Mackay ID

This Afternoon
High: 9 °F⇓
Chance Snow
and Windy
Tonight
Low: -9 °F
Decreasing
Clouds and
Blustery
Sunday
High: 5 °F
Cold
Sunday Night
Low: -1 °F
Mostly Clear
Monday
High: 14 °F
Sunny
Monday Night
Low: 7 °F
Partly Cloudy
Tuesday
High: 19 °F
Partly Sunny
Tuesday Night
Low: 10 °F
Partly Cloudy
Wednesday
High: 22 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 50 percent chance of snow after 1pm. Mostly cloudy and cold, with a temperature falling to around -3 by 4pm. Wind chill values as low as -28. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 43 mph. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around -9. Wind chill values as low as -35. Blustery, with a north northwest wind 17 to 26 mph, with gusts as high as 32 mph.

Sunday

Sunny and cold, with a high near 5. Wind chill values as low as -30. West wind 8 to 16 mph.

Sunday Night

Mostly clear, with a low around -1. Wind chill values as low as -17. West southwest wind 7 to 10 mph.

Monday

Sunny, with a high near 14. West wind 6 to 10 mph.

Monday Night

Partly cloudy, with a low around 7.

Tuesday

Partly sunny, with a high near 19.

Tuesday Night

Partly cloudy, with a low around 10.