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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 >

Hazardous Weather Conditions

Current conditions at

ST. REGIS (STGM8)

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

NA

39°F

4°C

Humidity 89%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 14 Apr 11:02 PM MDT
Extended Forecast for

De Borgia MT

Winter Weather Advisory April 15, 12:00am until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain, possibly mixed with snow. Snow level 4300 feet. Low around 32. West wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow before 5pm, then a chance of snow. Snow level 4300 feet lowering to 3500 feet in the afternoon . High near 42. West wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 23. West southwest wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: Snow, mainly after noon. High near 40. West southwest wind 3 to 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    then Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 24. West wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, possibly mixed with snow. Snow level 4300 feet. Low around 32. West wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain and snow before 5pm, then a chance of snow. Snow level 4300 feet lowering to 3500 feet in the afternoon . High near 42. West wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 23. West southwest wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Snow, mainly after noon. High near 40. West southwest wind 3 to 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 24. West wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Borgia MT
 47.37°N 115.35°W (Elev. 3478 ft)
Last Update:
2:01 pm MDT Apr 14, 2026
Forecast Valid:
11pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation