Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 24, 05:00 AM MST until December 25, 05:00 PM MST

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

27°F

-3°C

Humidity	92%
Wind Speed	W 3 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	24 Dec 02:05 AM MST

More Information:

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

Extended Forecast for

15 Miles ESE Challis ID

Winter Weather Advisory December 24, 05:00am until December 25, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 28 °F
Partly Cloudy
and Breezy
Wednesday
High: 34 °F
Breezy.
Mostly Sunny
then Snow
Likely
Wednesday Night
Low: 27 °F
Snow
Christmas Day
High: 31 °F
Snow Likely
Thursday Night
Low: 22 °F
Snow Likely
Friday
High: 26 °F
Snow then
Chance Snow
Friday Night
Low: 12 °F
Slight Chance
Snow and
Breezy
Saturday
High: 16 °F
Partly Sunny
and Breezy
then Mostly
Sunny
Saturday Night
Low: 6 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 28. Breezy, with a south wind 18 to 22 mph, with gusts as high as 29 mph.

Wednesday

Snow likely, mainly after 3pm. Increasing clouds, with a high near 34. Breezy, with a south wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Wednesday Night

Snow. Low around 27. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Christmas Day

Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. South wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 22. South wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow, mainly before 11am. High near 26. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 12. Breezy.

Saturday

Mostly sunny, with a high near 16. Breezy.

Saturday Night

Partly cloudy, with a low around 6.

Sunday

Partly sunny, with a high near 15.

Sunday Night

Mostly clear, with a low around 11.