Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

41°F

5°C

Humidity 77%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 01 Apr 11:00 AM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

Winter Storm Watch April 2, 06:00am until April 3, 06:00am
Winter Weather Advisory April 2, 06:00am until April 3, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
  • This Afternoon

    This Afternoon: A 50 percent chance of snow, mainly after 4pm.  Mostly cloudy, with a high near 32. South southwest wind around 16 mph, with gusts as high as 25 mph.  Total daytime snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 16. South southwest wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 16 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 22. Wind chill values as low as -1. Breezy, with a west wind 20 to 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    High: 22 °F

    Heavy Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times.  Low around 19. Breezy, with a west wind 17 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.

    Low: 19 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow likely, mainly before noon.  Cloudy, with a high near 26. West wind 16 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 32. South southwest wind around 16 mph, with gusts as high as 25 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. The snow could be heavy at times. Low around 16. South southwest wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 22. Wind chill values as low as -1. Breezy, with a west wind 20 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 19. Breezy, with a west wind 17 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.
Friday
Snow likely, mainly before noon. Cloudy, with a high near 26. West wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 41.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A chance of snow. Mostly sunny, with a high near 41. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
12:21 pm MDT Apr 1, 2026
12pm MDT Apr 1, 2026-6pm MDT Apr 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database