Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

53°F

12°C

Humidity 54%
Wind Speed SE 6 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 19 Mar 09:00 AM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • Today

    Today: Partly sunny, with a high near 42. Breezy, with a west southwest wind around 23 mph, with gusts as high as 38 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of snow before midnight, then a slight chance of snow after 1am.  Mostly cloudy, with a low around 31. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Snow and
    Breezy

  • Friday

    Friday: A slight chance of rain and snow before noon, then a chance of rain.  Snow level 8500 feet rising to 9300 feet in the afternoon. Mostly cloudy, with a high near 44. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely before 3am, then rain and snow likely.  Snow level 9200 feet lowering to 8300 feet after midnight . Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 39 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Breezy.
    Chance Rain
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow, mainly before noon.  High near 31. Breezy, with a west wind 22 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Breezy. Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 42. Breezy, with a west southwest wind around 23 mph, with gusts as high as 38 mph.
Tonight
A slight chance of snow before midnight, then a slight chance of snow after 1am. Mostly cloudy, with a low around 31. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow before noon, then a chance of rain. Snow level 8500 feet rising to 9300 feet in the afternoon. Mostly cloudy, with a high near 44. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely before 3am, then rain and snow likely. Snow level 9200 feet lowering to 8300 feet after midnight . Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before noon. High near 31. Breezy, with a west wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 18. Breezy.
Sunday
Sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly cloudy, with a high near 35.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 37.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Breezy.
Wednesday
Snow. Mostly cloudy, with a high near 31. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
2:01 am MDT Mar 19, 2026
10am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database