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

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Hazardous Weather Conditions

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

37°F

3°C

Humidity 45%
Wind Speed W 6 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 10 Mar 02:00 PM MDT
Extended Forecast for

10 Miles W St. Ignatius MT

High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 41. West wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely

  • Tonight

    Tonight: A 20 percent chance of snow between 2am and 3am. Increasing clouds, with a low around 24. West wind 6 to 15 mph becoming southeast after midnight. Winds could gust as high as 26 mph.

    Low: 24 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow. High near 46. South southeast wind 7 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain. Low around 37. West southwest wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Thursday

    Thursday: Rain before noon, then snow between noon and 3pm, then rain, possibly mixed with snow after 3pm. High near 50. Breezy, with a west wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 50 °F

    Rain then
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow. Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 3pm. High near 46. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 34.

    Low: 34 °F

    Rain

  • Saturday

    Saturday: Rain and snow, becoming all snow after 3pm. Cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 41. West wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow between 2am and 3am. Increasing clouds, with a low around 24. West wind 6 to 15 mph becoming southeast after midnight. Winds could gust as high as 26 mph.
Wednesday
Rain and snow. High near 46. South southeast wind 7 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain. Low around 37. West southwest wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain before noon, then snow between noon and 3pm, then rain, possibly mixed with snow after 3pm. High near 50. Breezy, with a west wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
Rain, possibly mixed with snow. Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all rain after 3pm. High near 46. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain. Cloudy, with a low around 34.
Saturday
Rain and snow, becoming all snow after 3pm. Cloudy, with a high near 44.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around 22.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 44.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30.
Monday
Rain and snow likely. Mostly cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W St. Ignatius MT
 47.33°N 114.31°W (Elev. 2598 ft)
Last Update:
2:11 pm MDT Mar 10, 2026
Forecast Valid:
3pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation