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- This Saturday, June 27: Great Falls Disaster Response Expo - FREE and Family-Friendly Event, Great Falls College at MSU
- 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
Sieben I-15 MP 216 (MTSBN)
Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.NA
70°F
21°C
| Humidity | 34% |
| Wind Speed | WNW 11 MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Last update | 25 Jun 02:30 PM MDT |
Extended Forecast for
2 Miles W Marysville MT
This Afternoon
High: 65 °F
Chance
T-stormsTonight
Low: 53 °F
Slight Chance
T-storms then
Slight Chance
ShowersFriday
High: 60 °F
Chance
Showers then
ShowersFriday Night
Low: 45 °F
Showers
Likely then
Chance
ShowersSaturday
High: 52 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 38 °F
Showers
Sunday
High: 43 °F
Showers
LikelySunday Night
Low: 39 °F
Showers
Likely and
BreezyMonday
High: 47 °F
Showers
Likely and
Breezy
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 65. West wind around 8 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Increasing clouds, with a low around 53. North northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 60. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 45. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52. West southwest wind around 9 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 38. West wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 43. West southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 36 mph.
Monday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 47. Breezy.
Monday Night
Mostly cloudy, with a low around 40. Breezy.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 56.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles W Marysville MT
46.75°N 112.32°W (Elev. 6463 ft)
46.75°N 112.32°W (Elev. 6463 ft)
12:31 pm MDT Jun 25, 2026
2pm MDT Jun 25, 2026-6pm MDT Jul 1, 2026
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