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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.

59°F

15°C

Humidity	65%
Wind Speed	WSW 0 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	27 Jun 08:45 AM MDT

More Information:

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

Extended Forecast for

5 Miles WSW Cascade MT

Today
High: 65 °F
Chance
Showers then
Showers
Likely
Tonight
Low: 47 °F
Showers
Sunday
High: 52 °F
Rain and
Breezy
Sunday Night
Low: 46 °F
Rain and
Breezy
Monday
High: 55 °F
Rain and
Breezy
Monday Night
Low: 47 °F
Showers
Likely then
Chance
Showers
Tuesday
High: 68 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 50 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 71 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A chance of showers before noon, then a chance of showers and thunderstorms between noon and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 65. West southwest wind 6 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.

Tonight

Showers likely and possibly a thunderstorm, then rain after midnight. Low around 47. West wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Rain. High near 52. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

Rain. Low around 46. Breezy, with a south southwest wind 23 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 90%.

Monday

Rain, with thunderstorms also possible after 3pm. High near 55. Breezy, with a west southwest wind 16 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. South southwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. South southwest wind 10 to 16 mph, with gusts as high as 23 mph.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Southwest wind around 10 mph.

Wednesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.

Wednesday Night

Partly cloudy, with a low around 50.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 75.