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.

Partly Cloudy

36°F

2°C

Humidity	86%
Wind Speed	E 4 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	25 Dec 11:35 PM MST

More Information:

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

Extended Forecast for

22 Miles NNW Mackay ID

Tonight
Low: 14 °F
Snow Likely
and Windy
Friday
High: 19 °F⇓
Snow and
Windy then
Slight Chance
Snow and
Breezy
Friday Night
Low: 3 °F
Snow Likely
and Windy
Saturday
High: 6 °F
Snow Likely
and Windy
Saturday Night
Low: -8 °F
Partly Cloudy
Sunday
High: 3 °F
Cold
Sunday Night
Low: -2 °F
Mostly Clear
Monday
High: 12 °F
Sunny
Monday Night
Low: 7 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow likely, mainly after 4am. Mostly cloudy, with a low around 14. Wind chill values as low as -4. Windy, with a south southwest wind 25 to 32 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

Friday

Snow before 1pm, then a slight chance of snow after 4pm. Temperature falling to around 10 by 5pm. Wind chill values as low as -10. Windy, with a southwest wind 23 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -20. Windy, with a southwest wind 23 to 31 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow likely. Mostly cloudy and cold, with a high near 6. Wind chill values as low as -21. Windy, with a west northwest wind 21 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around -8. Northwest wind 15 to 20 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny and cold, with a high near 3.

Sunday Night

Mostly clear, with a low around -2.

Monday

Sunny, with a high near 12.

Monday Night

Mostly cloudy, with a low around 7.

Tuesday

Partly sunny, with a high near 18.