National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.

NA

49°F

9°C

Humidity 50%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 15 Oct 06:15 PM MDT
Extended Forecast for

2 Miles WNW Marysville MT

  • Tonight

    Tonight: Mostly clear, with a low around 32. Light and variable wind becoming southwest 5 to 8 mph in the evening.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55. Southwest wind 6 to 8 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Southwest wind 7 to 13 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. West wind 6 to 15 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. West wind 3 to 5 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. South southeast wind 3 to 6 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Light and variable wind becoming southwest 5 to 8 mph in the evening.
Friday
Mostly sunny, with a high near 55. Southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 38. Southwest wind 7 to 13 mph.
Saturday
Mostly sunny, with a high near 58. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 38. West wind 6 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 53. West wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 39. Light and variable wind.
Monday
Mostly sunny, with a high near 56. South southeast wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of rain. Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Marysville MT
 46.77°N 112.33°W (Elev. 6099 ft)
Last Update:
4:21 pm MDT Oct 15, 2026
Forecast Valid:
6pm MDT Oct 15, 2026-6pm MDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation