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

Hazardous Weather Outlook

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

27°F

-3°C

Humidity	100%
Wind Speed	SW 2 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	24 Dec 02:15 AM MST

More Information:

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

Extended Forecast for

6 Miles SSE Madison WY

Overnight
Low: 32 °F
Partly Cloudy
Wednesday
High: 44 °F
Mostly Sunny
then Rain and
Breezy
Wednesday Night
Low: 32 °F
Rain/Snow
Christmas Day
High: 40 °F
Rain/Snow
then Snow
Thursday Night
Low: 26 °F
Snow
Friday
High: 36 °F
Snow
Friday Night
Low: 17 °F
Chance Snow
Saturday
High: 26 °F
Chance Snow
Saturday Night
Low: 3 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 32. Southeast wind 5 to 8 mph.

Wednesday

Rain, mainly after noon. Snow level rising to 8600 feet in the afternoon. High near 44. Breezy, with a south wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Wednesday Night

Rain before 11pm, then rain and snow. Snow level 8900 feet lowering to 8200 feet after midnight . Low around 32. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Christmas Day

Rain and snow, becoming all snow after 8am. Some thunder is also possible. High near 40. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 26. Southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 36. Southwest wind 7 to 11 mph. Chance of precipitation is 100%.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 17. Southwest wind 8 to 10 mph.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 26.

Saturday Night

Partly cloudy, with a low around 3.

Sunday

Partly sunny, with a high near 26.