We are hiring an entry level meteorologist! Applications will be accepted through January 29.
Current conditions at
Sieben I-15 MP 216 (MTSBN)
Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.NA
19°F
-7°C
| Humidity | 44% |
| Wind Speed | NNE 13 MPH |
| Barometer | NA |
| Dewpoint | 0°F (-18°C) |
| Visibility | NA |
| Wind Chill | 6°F (-14°C) |
| Last update | 22 Jan 11:45 AM MST |
Extended Forecast for
Marysville MT
This Afternoon
High: 18 °F
Partly Sunny
Tonight
Low: 1 °F
Chance Snow
Friday
High: 9 °F
Chance Snow
then Mostly
SunnyFriday Night
Low: 4 °F
Partly Cloudy
Saturday
High: 18 °F
Slight Chance
SnowSaturday Night
Low: 11 °F
Slight Chance
Snow then
Mostly CloudySunday
High: 25 °F
Sunny
Sunday Night
Low: 18 °F
Mostly Clear
Monday
High: 32 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 18. Wind chill values as low as zero. North northeast wind 7 to 11 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of snow, mainly between 8pm and 4am. Cloudy, with a low around 1. Wind chill values as low as -10. North wind 10 to 14 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 9. Wind chill values as low as -15. North northeast wind 7 to 10 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 4. Wind chill values as low as -5. East northeast wind around 6 mph becoming west southwest in the evening.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 18. West wind 6 to 8 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 25. West southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 18. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 32.
Monday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 23.
Tuesday
A slight chance of snow. Partly sunny, with a high near 33.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A slight chance of snow. Partly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
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)
10:02 am MST Jan 22, 2026
12pm MST Jan 22, 2026-6pm MST Jan 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
