Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

49°F

9°C

Humidity 69%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 18 Mar 01:00 AM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • Overnight

    Overnight: Snow likely, mainly before 3am. The snow could be heavy at times.  Cloudy, with a low around 29. West southwest wind around 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 29 °F

    Heavy Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon.  Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 37 mph.  New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow between 9pm and midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 30. West southwest wind 18 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 38 mph.

    High: 38 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow before 3am, then a slight chance of rain and snow.  Snow level rising to 8600 feet after midnight. Mostly cloudy, with a low around 33. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Snow and
    Breezy then
    Slight Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before noon, then a chance of rain.  Snow level 8700 feet. Mostly cloudy, with a high near 40. Breezy.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am.  Snow level 9000 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 28. Breezy.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 31. Breezy.

    High: 31 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of snow before midnight.  Partly cloudy, with a low around 17. Breezy.

    Low: 17 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

Detailed Forecast

Overnight
Snow likely, mainly before 3am. The snow could be heavy at times. Cloudy, with a low around 29. West southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 30. West southwest wind 18 to 20 mph, with gusts as high as 30 mph.
Thursday
Partly sunny, with a high near 38. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 38 mph.
Thursday Night
A slight chance of snow before 3am, then a slight chance of rain and snow. Snow level rising to 8600 feet after midnight. Mostly cloudy, with a low around 33. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow before noon, then a chance of rain. Snow level 8700 feet. Mostly cloudy, with a high near 40. Breezy. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Snow level 9000 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Breezy.
Saturday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 17. Breezy.
Sunday
A slight chance of snow after noon. Mostly sunny, with a high near 31.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Monday
A slight chance of snow. Partly sunny, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23.
Tuesday
Snow likely. Mostly cloudy, with a high near 35. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
12:27 am MDT Mar 18, 2026
2am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

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