Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

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 1 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	08 Dec 03:15 AM MST

More Information:

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

Extended Forecast for

5 Miles SSW Lewis Lake WY

Winter Storm Warning December 8, 05:00pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Overnight
Low: 22 °F
Chance Snow
Monday
High: 28 °F
Snow Likely
and Patchy
Blowing Snow
Monday Night
Low: 24 °F
Snow and
Breezy
Tuesday
High: 30 °F
Heavy Snow
and Breezy
Tuesday Night
Low: 27 °F
Heavy Snow
Wednesday
High: 34 °F
Snow and
Breezy then
Rain/Snow
Wednesday Night
Low: 30 °F
Rain/Snow
Likely and
Breezy then
Snow Likely
Thursday
High: 34 °F
Snow Likely
Thursday Night
Low: 26 °F
Chance Snow

Detailed Forecast

Overnight

A 40 percent chance of snow. Cloudy, with a low around 22. West southwest wind around 14 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of 2 to 4 inches possible.

Monday

Snow likely, mainly after 3pm. Patchy blowing snow between 1pm and 3pm. Cloudy, with a high near 28. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Monday Night

Snow. Low around 24. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Tuesday

Snow. The snow could be heavy at times. High near 30. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 27. West southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Wednesday

Snow before 2pm, then rain, possibly mixed with snow. High near 34. Breezy, with a west southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

Wednesday Night

Rain and snow likely, becoming all snow after 11pm. Cloudy, with a low around 30. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Thursday

Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 26.

Friday

A 40 percent chance of snow. Partly sunny, with a high near 34.

Friday Night

Mostly cloudy, with a low around 21.

Saturday

Mostly sunny, with a high near 34.

Saturday Night

Partly cloudy, with a low around 15.