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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

Boulder Hill I-15 MP 170.9 (MTBOU)

Lat: 46.3233°NLon: 112.06891°WElev: 5593.0ft.

unknown precip

42°F

6°C

Humidity	88%
Wind Speed	SSW 5 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	28 Jun 06:00 AM MDT

More Information:

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

Extended Forecast for

3 Miles ESE Boulder MT

Winter Weather Advisory June 28, 06:19am until June 29, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory June 28, 06:19am until June 29, 12:00pm
NOW until 12:00pm Mon
Winter Weather Advisory
Today
High: 47 °F
Rain
Tonight
Low: 39 °F
Rain
Monday
High: 50 °F
Rain
Monday Night
Low: 42 °F
Rain then
Chance Rain
Tuesday
High: 66 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 45 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 69 °F
Slight Chance
Showers then
Showers
Likely
Wednesday Night
Low: 46 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Today

Rain. High near 47. West southwest wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tonight

Rain. Low around 39. South southwest wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Rain, with thunderstorms also possible after 3pm. High near 50. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Rain, mainly before midnight. Low around 42. West wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

Tuesday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. Southwest wind 3 to 7 mph.

Tuesday Night

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. West southwest wind around 6 mph becoming calm in the evening.

Wednesday

A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

Wednesday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. West southwest wind around 6 mph becoming calm in the evening.

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

Thursday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 70.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 44.

Independence Day

Mostly sunny, with a high near 70.