National Weather Service

News Headlines

Information on 2026 SKYWARN Spotter Training Dates and Times
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Hazardous Weather Conditions

Winter Weather Advisory in effect from May 16, 05:00 PM MDT until May 17, 06:00 AM MDT

Current conditions at

Yellowstone Club - Base Area (YCBAS)

Lat: 45.23924°NLon: 111.41476°WElev: 7200.0ft.

39°F

4°C

Humidity	65%
Wind Speed	WNW 3 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	16 May 02:00 AM MDT

More Information:

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

Extended Forecast for

Big Sky MT

Winter Weather Advisory May 16, 05:00pm until May 17, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 40 °F
Mostly Cloudy
Saturday
High: 41 °F
Chance Snow
then
Rain/Snow
Saturday Night
Low: 24 °F
Heavy Snow
Sunday
High: 34 °F
Snow Showers
Likely
Sunday Night
Low: 23 °F
Snow
Monday
High: 42 °F
Snow Likely
then Chance
Snow
Monday Night
Low: 23 °F
Partly Cloudy
Tuesday
High: 54 °F
Mostly Sunny
Tuesday Night
Low: 29 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 40. Light and variable wind.

Saturday

A chance of snow showers before noon, then rain and snow showers likely between noon and 1pm, then snow showers after 1pm. Some thunder is also possible. High near 41. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow showers before 9pm, then snow, mainly between 9pm and 5am. The snow could be heavy at times. Some thunder is also possible. Low around 24. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Sunday

A chance of snow before noon, then snow showers likely, mainly after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 34. Light northwest wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Snow. Low around 23. North wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Monday

Snow likely, mainly before noon. Mostly cloudy, with a high near 42. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 23. Light and variable wind.

Tuesday

Mostly sunny, with a high near 54. Calm wind.

Tuesday Night

A slight chance of rain before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 29.

Wednesday

A slight chance of snow before 9am, then a chance of rain and snow showers between 9am and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 57.

Wednesday Night

Mostly cloudy, with a low around 32.

Thursday

Mostly sunny, with a high near 65.

Thursday Night

A slight chance of rain. Partly cloudy, with a low around 37.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 68.