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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

30°F

-1°C

Humidity 78%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 27 Jan 10:00 AM MST
Extended Forecast for

St. Ignatius MT

  • Today

    Today: Mostly sunny, with a high near 39. Calm wind.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Light southeast wind.

    Low: 26 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain, snow, and freezing rain after 5am. Cloudy, with a low around 31. Light south wind. Chance of precipitation is 10%.

    Low: 31 °F

    Cloudy then
    Slight Chance
    Wintry Mix

  • Thursday

    Thursday: A slight chance of rain, snow, and freezing rain before 8am, then a slight chance of rain after 11am. Cloudy, with a high near 42. Calm wind. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Cloudy, with a low around 35.

    Low: 35 °F

    Cloudy

  • Friday

    Friday: A 40 percent chance of rain, mainly after 11am. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain. Cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 39. Calm wind.
Tonight
Increasing clouds, with a low around 26. Light southeast wind.
Wednesday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain, snow, and freezing rain after 5am. Cloudy, with a low around 31. Light south wind. Chance of precipitation is 10%.
Thursday
A slight chance of rain, snow, and freezing rain before 8am, then a slight chance of rain after 11am. Cloudy, with a high near 42. Calm wind. Chance of precipitation is 20%.
Thursday Night
Cloudy, with a low around 35.
Friday
A 40 percent chance of rain, mainly after 11am. Cloudy, with a high near 45.
Friday Night
A slight chance of rain. Cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
A chance of rain. Mostly cloudy, with a high near 44.
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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:
3:58 am MST Jan 27, 2026
Forecast Valid:
11am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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