Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

32°F

0°C

Humidity 94%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 13 Mar 04:00 PM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

Winter Storm Warning March 13, 04:44pm until March 14, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 04:44pm until March 14, 12:00pm

    NOW until 12:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 21 °F

    Heavy Snow
    and Blowing
    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Steady temperature around 22. Breezy, with a west wind 15 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

    Low: 22 °F

    Heavy Snow
    and Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  Temperature falling to around 10 by 4pm. Wind chill values as low as -13. Windy, with a west wind 18 to 23 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 21 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. The snow could be heavy at times.  Low around 2. Wind chill values as low as -17. Blustery, with a west wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    Low: 2 °F

    Heavy Snow
    and Blustery
    then Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow.  Partly sunny, with a high near 15. West southwest wind 14 to 18 mph, with gusts as high as 28 mph.  New snow accumulation of less than a half inch possible.

    High: 15 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight.  Cloudy, with a low around 14. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Snow Likely

  • Monday

    Monday: Snow.  High near 28. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 28 °F

    Snow

  • Monday Night

    Monday Night: Rain and snow, becoming all snow after 3am.  Cloudy, with a low around 28. Breezy.

    Low: 28 °F

    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. Widespread blowing snow. High near 21. West wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 18 to 24 inches possible.
Tonight
Snow. The snow could be heavy at times. Steady temperature around 22. Breezy, with a west wind 15 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
Saturday
Snow. The snow could be heavy at times. Temperature falling to around 10 by 4pm. Wind chill values as low as -13. Windy, with a west wind 18 to 23 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Saturday Night
Snow, mainly before midnight. The snow could be heavy at times. Low around 2. Wind chill values as low as -17. Blustery, with a west wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 15. West southwest wind 14 to 18 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly after midnight. Cloudy, with a low around 14. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow. High near 28. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday Night
Rain and snow, becoming all snow after 3am. Cloudy, with a low around 28. Breezy.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 29. Breezy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 36. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Breezy.
Thursday
A chance of rain and snow. Partly sunny, with a high near 41. Breezy.
Thursday Night
A chance of rain and snow. Snow level 8400 feet. Mostly cloudy, with a low around 31. Breezy.
Friday
A chance of snow. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
2:00 pm MDT Mar 13, 2026
4pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026
 
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Additional Resources

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