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

Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

Lat: 47.31333°NLon: 114.09806°WElev: 2990.0ft.

NA

38°F

3°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 12 Nov 08:00 AM MST
Extended Forecast for

St. Ignatius MT

  • Today

    Today: Partly sunny, with a high near 53. East southeast wind around 5 mph becoming calm in the morning.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. South southeast wind 5 to 7 mph.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 51. Southeast wind around 5 mph becoming calm in the morning.

    High: 51 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. East southeast wind 5 to 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 53. East southeast wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 37. South southeast wind 5 to 7 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 51. Southeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 36. East southeast wind 5 to 8 mph.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Cloudy, with a low around 33.
Tuesday
A chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.31°N 114.09°W (Elev. 2999 ft)
Last Update:
1:01 am MST Nov 12, 2026
Forecast Valid:
8am MST Nov 12, 2026-6pm MST Nov 18, 2026
 
Forecast Discussion
 
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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