National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

ST. REGIS (STGM8)

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

NA

32°F

0°C

Humidity 100%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 13 Mar 08:02 AM MDT
Extended Forecast for

De Borgia MT

Winter Storm Warning March 13, 08:36am until March 14, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 08:36am until March 14, 12:00pm

    NOW until 12:00pm Sat

    Winter Storm Warning

  • Today

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 9pm. Low around 29. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 35. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 13. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 35. Light southwest wind.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow Likely

  • Monday

    Monday: Snow before 9am, then rain and snow between 9am and noon, then rain likely after noon. Snow level rising to 6400 feet in the afternoon. High near 44. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Today
Snow before 11am, then rain and snow. The snow could be heavy at times. Snow level rising to 3900 feet in the afternoon. High near 37. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Rain and snow, becoming all snow after 9pm. Low around 29. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday
Snow before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 35. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 13. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 35. Light southwest wind.
Sunday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
Snow before 9am, then rain and snow between 9am and noon, then rain likely after noon. Snow level rising to 6400 feet in the afternoon. High near 44. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Partly sunny, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Borgia MT
 47.37°N 115.35°W (Elev. 3478 ft)
Last Update:
2:01 am MDT Mar 13, 2026
Forecast Valid:
8am MDT Mar 13, 2026-6pm MDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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