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Current conditions at
Sieben I-15 MP 216 (MTSBN)
Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.NA
44°F
7°C
| Humidity | 51% |
| Wind Speed | W 8 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Wind Chill | 39°F (4°C) |
| Last update | 29 Jan 02:15 PM MST |
Extended Forecast for
Marysville MT
This Afternoon
High: 36 °F
Becoming
CloudyTonight
Low: 30 °F
Decreasing
CloudsFriday
High: 39 °F
Slight Chance
Snow then
Slight Chance
Rain/SnowFriday Night
Low: 34 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezySaturday
High: 43 °F
Partly Sunny
and Breezy
then Partly
SunnySaturday Night
Low: 33 °F
Mostly Cloudy
Sunday
High: 45 °F
Partly Sunny
Sunday Night
Low: 32 °F
Mostly Cloudy
Monday
High: 38 °F
Slight Chance
Snow then
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny early, then becoming cloudy, with a high near 36. West wind 14 to 16 mph, with gusts as high as 31 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 30. West wind around 14 mph, with gusts as high as 23 mph.
Friday
A slight chance of snow after 11am, mixing with rain after 2pm. Mostly cloudy, with a high near 39. West southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 34. Breezy, with a west wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph.
Saturday
Partly sunny, with a high near 43. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 44 mph.
Saturday Night
Mostly cloudy, with a low around 33. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 45. South southwest wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 32. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Monday
A slight chance of snow before 11am. Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 43.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marysville MT
46.75°N 112.29°W (Elev. 5456 ft)
46.75°N 112.29°W (Elev. 5456 ft)
1:57 pm MST Jan 29, 2026
2pm MST Jan 29, 2026-6pm MST Feb 4, 2026
Additional Resources
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