Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

61°F

16°C

Humidity 45%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 18 Oct 04:00 PM MDT
Extended Forecast for

11 Miles ENE St. Ignatius MT

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light south southwest wind becoming southwest 9 to 14 mph in the evening. Winds could gust as high as 21 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 54. Southwest wind 12 to 17 mph becoming light west southwest  in the afternoon. Winds could gust as high as 26 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West southwest wind around 5 mph becoming south southeast after midnight.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Southeast wind around 5 mph becoming calm.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Light and variable wind becoming east southeast 6 to 11 mph in the evening.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain before 3am, then rain and snow.  Cloudy, with a low around 35.

    Low: 35 °F

    Rain then
    Rain/Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Light south southwest wind becoming southwest 9 to 14 mph in the evening. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 54. Southwest wind 12 to 17 mph becoming light west southwest in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Partly cloudy, with a low around 38. West southwest wind around 5 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 51. Southeast wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 37. Light and variable wind becoming east southeast 6 to 11 mph in the evening.
Wednesday
Sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 51.
Thursday Night
Rain before 3am, then rain and snow. Cloudy, with a low around 35.
Friday
Rain and snow likely, becoming all snow after 9am. Snow level 7700 feet lowering to 6600 feet in the afternoon . Mostly cloudy, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 34.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 27.
Sunday
A chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE St. Ignatius MT
 47.39°N 113.88°W (Elev. 6588 ft)
2:01 pm MDT Oct 18, 2026
4pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database