Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

45°F

7°C

Humidity	55%
Wind Speed	SSE 6 MPH
Barometer	29.79 in (1008.81 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	25 Dec 02:55 PM MST

More Information:

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

Extended Forecast for

13 Miles NNW Mackay ID

Christmas Day
High: 24 °F
Chance Snow
Tonight
Low: 20 °F
Heavy Snow
and Breezy
Friday
High: 19 °F⇓
Breezy. Heavy
Snow then
Chance Snow
Friday Night
Low: 4 °F
Snow Likely
and Breezy
Saturday
High: 7 °F
Snow Likely
and Breezy
Saturday Night
Low: -8 °F
Partly Cloudy
Sunday
High: 5 °F
Cold
Sunday Night
Low: -2 °F
Mostly Clear
Monday
High: 14 °F
Sunny

Detailed Forecast

Christmas Day

A 50 percent chance of snow. Mostly cloudy, with a high near 24. South wind around 16 mph, with gusts as high as 24 mph. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Snow. The snow could be heavy at times. Steady temperature around 20. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow before 1pm, then a slight chance of snow after 4pm. The snow could be heavy at times. Temperature falling to around 10 by 5pm. Wind chill values as low as -8. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -14. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Saturday

Snow likely. Mostly cloudy and cold, with a high near 7. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around -8.

Sunday

Mostly sunny and cold, with a high near 5.

Sunday Night

Mostly clear, with a low around -2.

Monday

Sunny, with a high near 14.

Monday Night

Mostly cloudy, with a low around 7.

Tuesday

Partly sunny, with a high near 20.