National Weather Service

News Headlines

SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
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 until June 29, 12:00 PM MDT

Current conditions at

YELLOW MULE (YLWM8)

Lat: 45.1661°NLon: 111.35954°WElev: 9200.0ft.

30°F

-1°C

Humidity	98%
Wind Speed	S 15 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	19°F (-7°C)
Last update	29 Jun 04:04 AM MDT

More Information:

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

Extended Forecast for

19 Miles S Big Sky MT

Winter Weather Advisory June 29, 05:07am until June 29, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory June 29, 05:07am until June 29, 12:00pm
NOW until 12:00pm Mon
Winter Weather Advisory
Overnight
Low: 28 °F
Heavy Snow
Monday
High: 33 °F
Heavy Snow
then
Rain/Snow
Monday Night
Low: 32 °F
Chance
Rain/Snow
then Mostly
Cloudy
Tuesday
High: 48 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 34 °F
Partly Cloudy
Wednesday
High: 51 °F
Slight Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 35 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 54 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 28. South southwest wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Monday

Snow before 2pm, then rain and snow. The snow could be heavy at times. Some thunder is also possible. High near 33. Southwest wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Monday Night

A chance of rain and snow before 7pm, then a chance of rain between 7pm and 10pm. Mostly cloudy, with a low around 32. West southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 48. South wind 7 to 9 mph, with gusts as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 34. Southwest wind 7 to 10 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 51. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 35. West southwest wind 7 to 11 mph becoming southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 54. South southeast wind 11 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.

Thursday Night

Mostly cloudy, with a low around 39.

Friday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 54.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.

Independence Day

Mostly sunny, with a high near 56.

Saturday Night

Mostly clear, with a low around 39.