Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

Current conditions at

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

27°F

-3°C

Humidity	71%
Wind Speed	N 0 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	19°F (-7°C)
Visibility	NA
Last update	15 Dec 07:56 PM MST

More Information:

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

Extended Forecast for

3 Miles SSW Upper/Lower Falls WY

Winter Storm Watch December 17, 01:00am until December 17, 11:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 20 °F
Mostly Cloudy
then Isolated
Snow Showers
Tuesday
High: 35 °F
Isolated Snow
Showers and
Breezy
Tuesday Night
Low: 26 °F
Snow Showers
Likely and
Patchy
Blowing Snow
Wednesday
High: 36 °F
Snow Showers
and Patchy
Blowing Snow
Wednesday Night
Low: 8 °F
Partly Cloudy
and Breezy
then Mostly
Cloudy
Thursday
High: 30 °F
Snow Showers
Thursday Night
Low: 20 °F
Snow Showers
Friday
High: 36 °F
Snow Showers
and Breezy
Friday Night
Low: 16 °F
Snow Showers
Likely

Detailed Forecast

Tonight

Isolated snow showers after 5am. Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 20. Southwest wind 3 to 8 mph. Chance of precipitation is 10%.

Tuesday

Isolated snow showers before 11am, then isolated snow showers after 3pm. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tuesday Night

Snow showers likely, mainly after 4am. Patchy blowing snow between 4am and 5am. Mostly cloudy, with a low around 26. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday

Snow showers. Patchy blowing snow. High near 36. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Partly cloudy, with a low around 8. Breezy, with a west wind 12 to 17 mph becoming light west southwest after midnight. Winds could gust as high as 26 mph.

Thursday

Snow showers, mainly after 11am. High near 30. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

Thursday Night

Snow showers. Low around 20. Southwest wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

Friday

Snow showers. High near 36. Breezy. Chance of precipitation is 80%.

Friday Night

Snow showers likely. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.

Saturday

A 50 percent chance of snow showers. Partly sunny, with a high near 31.

Saturday Night

A chance of snow showers. Mostly cloudy, with a low around 13.

Sunday

A chance of snow showers. Mostly cloudy, with a high near 32.