Current conditions at
Sieben I-15 MP 216 (MTSBN)
Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.NA
49°F
9°C
| Humidity | 67% |
| Wind Speed | NNE 19 MPH |
| Barometer | NA |
| Dewpoint | 38°F (3°C) |
| Visibility | NA |
| Wind Chill | 42°F (6°C) |
| Last update | 12 Apr 02:00 PM MDT |
Extended Forecast for
Marysville MT
This Afternoon

High: 50 °F
Showers
LikelyTonight
Low: 35 °F
Showers then
Chance
Rain/SnowMonday
High: 46 °F
Chance
Rain/Snow
then Chance
RainMonday Night
Low: 34 °F
Chance Rain
then Partly
CloudyTuesday

High: 48 °F
Mostly Sunny
Tuesday Night
Low: 35 °F
Mostly Cloudy
and Breezy
then Slight
Chance
Rain/SnowWednesday
High: 47 °F
Chance Snow
then
Rain/SnowWednesday Night
Low: 26 °F
Rain/Snow
then Snow
LikelyThursday

High: 32 °F
Snow
Detailed Forecast
This Afternoon
A chance of showers, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 50. North northeast wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain showers before 3am, then a chance of rain and snow showers between 3am and 5am, then a slight chance of snow after 5am. Some thunder is also possible. Low around 35. North wind 6 to 9 mph becoming south after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
A slight chance of snow before 10am, then a chance of rain and snow between 10am and noon, then a chance of rain after noon. Partly sunny, with a high near 46. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind 16 to 18 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 48. West southwest wind 14 to 20 mph, with gusts as high as 36 mph.
Tuesday Night
A slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 35. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Wednesday
A chance of snow before noon, then rain and snow. High near 47. West southwest wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Mostly cloudy, with a low around 26. West wind 16 to 18 mph, with gusts as high as 31 mph.
Thursday
Snow. Cloudy, with a high near 32.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Partly sunny, with a high near 39.
Friday Night
A chance of snow. Partly cloudy, with a low around 25.
Saturday
A slight chance of snow. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST
Point Forecast:
Marysville MT
46.75°N 112.29°W (Elev. 5456 ft)
46.75°N 112.29°W (Elev. 5456 ft)
12:32 pm MDT Apr 12, 2026
2pm MDT Apr 12, 2026-6pm MDT Apr 18, 2026


