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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.

56°F

13°C

Humidity	63%
Wind Speed	WSW 3 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	27 Jun 04:15 AM MDT

More Information:

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

Extended Forecast for

19 Miles SSE Cascade MT

Overnight
Low: 50 °F
Chance
Showers
Saturday
High: 61 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 45 °F
Showers
Sunday
High: 48 °F
Rain
Sunday Night
Low: 42 °F
Rain and
Breezy
Monday
High: 51 °F
Rain
Monday Night
Low: 44 °F
Showers
Likely then
Chance
Showers
Tuesday
High: 64 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 47 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers, mainly before 5am. Mostly cloudy, with a low around 50. Southwest wind around 7 mph.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Southwest wind 5 to 7 mph becoming north northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm before midnight, then rain, mainly after midnight. Low around 45. Northwest wind 6 to 10 mph becoming west southwest in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Rain. High near 48. Southwest wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

Sunday Night

Rain. Low around 42. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

Monday

Rain. High near 51. West southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

Monday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 44. South southwest wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Tuesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 47.

Wednesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 67.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 72.