Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 22, 12:00 AM MDT until April 23, 06:00 AM MDT

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

68°F

20°C

Humidity	14%
Wind Speed	S 14 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Last update	21 Apr 08:05 PM MDT

More Information:

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

Extended Forecast for

11 Miles NNW Mackay ID

Winter Weather Advisory April 22, 12:00am until April 23, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 21 °F
Windy. Mostly
Cloudy then
Chance Snow
Wednesday
High: 24 °F
Heavy Snow
and Windy
Wednesday Night
Low: 18 °F
Snow and
Windy
Thursday
High: 22 °F
Snow Likely
and Windy
Thursday Night
Low: 12 °F
Snow Likely
and Windy
Friday
High: 18 °F
Snow Likely
and Blustery
Friday Night
Low: 12 °F
Chance Snow
Saturday
High: 22 °F
Chance Snow
Saturday Night
Low: 16 °F
Slight Chance
Snow then
Partly Cloudy

Detailed Forecast

Tonight

A 40 percent chance of snow after 3am. Mostly cloudy, with a low around 21. Windy, with a south wind 29 to 34 mph, with gusts as high as 43 mph. Little or no snow accumulation expected.

Wednesday

Snow showers before 3pm, then snow, mainly between 3pm and 5pm. The snow could be heavy at times. Some thunder is also possible. High near 24. Windy, with a south southwest wind 25 to 33 mph becoming west in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Snow. Low around 18. Wind chill values as low as -1. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Thursday

Snow likely, mainly after noon. Mostly cloudy, with a high near 22. Wind chill values as low as -1. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 12. Windy, with a northwest wind 25 to 31 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow likely. Mostly cloudy, with a high near 18. Blustery. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Friday Night

A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 12. New snow accumulation of 1 to 2 inches possible.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 22.

Saturday Night

A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

Sunday

A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 23.

Sunday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 18.