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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.unknown precip
60°F
16°C
| Humidity | 57% |
| Wind Speed | WNW 8 MPH |
| Barometer | NA |
| Dewpoint | 45°F (7°C) |
| Visibility | NA |
| Last update | 25 Jun 12:45 AM MDT |
Extended Forecast for
2 Miles NW Marysville MT
Overnight
Low: 50 °F
Chance
ShowersThursday
High: 68 °F
Showers
LikelyThursday Night
Low: 55 °F
Chance
T-storms then
Chance
ShowersFriday
High: 62 °F
Showers
Friday Night
Low: 47 °F
Showers then
Chance
ShowersSaturday
High: 54 °F
Chance
Showers then
ShowersSaturday Night
Low: 40 °F
Showers
LikelySunday
High: 45 °F
Showers
LikelySunday Night
Low: 40 °F
Showers
Likely and
Breezy
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Light south southeast wind.
Thursday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 55. North wind 5 to 7 mph becoming calm in the evening.
Friday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 62. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 47. West southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 54. West southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. West wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 45. West southwest wind 17 to 20 mph, with gusts as high as 33 mph.
Sunday Night
Showers likely. Mostly cloudy, with a low around 40. Breezy.
Monday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 49.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NW Marysville MT
46.77°N 112.33°W (Elev. 6099 ft)
46.77°N 112.33°W (Elev. 6099 ft)
12:32 am MDT Jun 25, 2026
1am MDT Jun 25, 2026-6pm MDT Jul 1, 2026
Additional Resources
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