Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

ST. REGIS (STGM8)

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

NA

35°F

2°C

Humidity 60%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Feb 05:02 PM MST
Extended Forecast for

St. Regis MT

Winter Weather Advisory February 18, 06:11pm until February 18, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory February 18, 06:11pm until February 18, 11:00pm

    NOW until 11:00pm Wed

    Winter Weather Advisory

  • Tonight

    Low: 13 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Patchy fog before 3am, then patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Slight Chance
    Snow and
    Patchy Fog

  • Friday

    Friday: Snow likely, mainly after 11am.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 33. Calm wind.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 38.

    High: 38 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

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

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Tonight
A 20 percent chance of snow before 8pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 13. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 32. Calm wind.
Thursday Night
A 20 percent chance of snow after 11pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 15. Calm wind.
Friday
Snow likely, mainly after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 33. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 13. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 39.
Sunday Night
A slight chance of snow after 11pm. Snow level 3200 feet. Mostly cloudy, with a low around 23.
Monday
A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Snow level 3400 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 43.
Monday Night
Rain likely. Snow level 4900 feet lowering to 3400 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
A chance of rain and snow. Snow level rising to 3300 feet in the afternoon. Mostly cloudy, with a high near 41.
Tuesday Night
A chance of rain and snow. Snow level 3400 feet lowering to 2800 feet after midnight . Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
St. Regis MT
 47.3°N 115.08°W (Elev. 2799 ft)
1:02 pm MST Feb 18, 2026
6pm MST Feb 18, 2026-6pm MST Feb 25, 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