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

Hazardous Weather Conditions

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

36°F

2°C

Humidity 92%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 02 Apr 08:00 PM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

Winter Weather Advisory until April 3, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 3, 12:00pm

    NOW until 12:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: 19 °F

    Heavy Snow
    and Blustery
    then Heavy
    Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 26. West wind 17 to 21 mph, with gusts as high as 31 mph. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Heavy Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18. West wind 13 to 20 mph, with gusts as high as 31 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 34. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. West wind 14 to 17 mph becoming south after midnight. Winds could gust as high as 26 mph.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow, mainly before 2am. The snow could be heavy at times. Low around 19. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 15 to 21 inches possible.
Friday
A 40 percent chance of snow, mainly before 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 26. West wind 17 to 21 mph, with gusts as high as 31 mph. New snow accumulation of 2 to 4 inches possible.
Friday Night
Partly cloudy, with a low around 18. West wind 13 to 20 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 34. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 22. West wind 14 to 17 mph becoming south after midnight. Winds could gust as high as 26 mph.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow after noon. Mostly sunny, with a high near 38. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 30.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 17. Blustery.
Thursday
A chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
Last Update:
2:01 pm MDT Apr 2, 2026
Forecast Valid:
8pm MDT Apr 2, 2026-6pm MDT Apr 9, 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