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

ST. IGNATIUS (SIGM)

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

NA

43°F

6°C

Humidity 57%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 09 Apr 10:00 AM MDT
Extended Forecast for

St. Ignatius MT

  • Today

    Today: Sunny, with a high near 60. Light north northwest wind.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. North wind around 6 mph becoming south after midnight.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. North wind around 6 mph becoming east southeast after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance Rain
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 60. Light north northwest wind.
Tonight
Mostly clear, with a low around 35. North wind around 6 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 67. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 44. North wind around 6 mph becoming east southeast after midnight.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely. Mostly cloudy, with a high near 51.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.33°N 114.09°W (Elev. 2966 ft)
Last Update:
2:01 am MDT Apr 9, 2026
Forecast Valid:
10am MDT Apr 9, 2026-6pm MDT Apr 15, 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