Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

ST. REGIS (STGM8)

Lat: 47.30711°NLon: 115.10761°WElev: 2678.0ft.

NA

47°F

8°C

Humidity 83%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 15 Apr 03:02 PM MDT
Extended Forecast for

12 Miles WSW Superior MT

Winter Weather Advisory until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 16, 09:00am

    NOW until 9:00am Thu

    Winter Weather Advisory

  • This Afternoon

    High: 33 °F

    Heavy Snow

  • Tonight

    Tonight: Snow likely, mainly before midnight. The snow could be heavy at times.  Mostly cloudy, with a low around 20. West southwest wind 14 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Heavy Snow
    then Chance
    Snow

  • Thursday

    Thursday: Snow, mainly after 1pm.  High near 28. West wind 14 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Chance Snow
    then Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 23. Southwest wind 13 to 15 mph, with gusts as high as 29 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Partly sunny, with a high near 34. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.  New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 33. West southwest wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 7 to 11 inches possible.
Tonight
Snow likely, mainly before midnight. The snow could be heavy at times. Mostly cloudy, with a low around 20. West southwest wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow, mainly after 1pm. High near 28. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 34. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 59.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain and snow. Snow level 6600 feet. Partly sunny, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Superior MT
 47.1°N 115.1°W (Elev. 5823 ft)
2:01 pm MDT Apr 15, 2026
3pm MDT Apr 15, 2026-6pm MDT Apr 22, 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