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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.

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

48°F

9°C

Humidity	87%
Wind Speed	SW 1 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	27 Jun 06:30 AM MDT

More Information:

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

Extended Forecast for

16 Miles SSE Cascade MT

Today
High: 55 °F
Chance
Showers then
Showers
Likely
Tonight
Low: 39 °F
Showers
Sunday
High: 44 °F
Rain and
Breezy
Sunday Night
Low: 40 °F
Rain and
Windy
Monday
High: 45 °F
Rain and
Windy
Monday Night
Low: 42 °F
Breezy.
Showers
Likely then
Chance
Showers
Tuesday
High: 58 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 61 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 55. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.

Tonight

Showers and possibly a thunderstorm before midnight, then rain, mainly after midnight. Low around 39. West wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Rain. High near 44. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Sunday Night

Rain. Low around 40. Windy, with a south southwest wind 28 to 33 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

Monday

Rain. High near 45. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%.

Monday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. South southwest wind 11 to 17 mph, with gusts as high as 21 mph.

Tuesday Night

Partly cloudy, with a low around 45. South southwest wind 9 to 13 mph.

Wednesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.

Wednesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 65.