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

Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

ST. REGIS (STGM8)

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

NA

33°F

1°C

Humidity 96%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 09 Nov 07:02 PM MST
Extended Forecast for

St. Regis MT

  • Tonight

    Tonight: Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 53. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 53 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. West southwest wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Chance Rain

  • Veterans Day

    Veterans Day: Mostly cloudy, then gradually becoming sunny, with a high near 52. Light west southwest wind.

    High: 52 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Areas Fog

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain and
    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 36.

    Low: 36 °F

    Patchy Fog

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain before 5am, then rain, possibly mixed with snow. Cloudy, with a low around 30.

    Low: 30 °F

    Rain then
    Rain/Snow

Detailed Forecast

Tonight
Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Monday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 53. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. West southwest wind around 6 mph becoming calm in the evening.
Veterans Day
Mostly cloudy, then gradually becoming sunny, with a high near 52. Light west southwest wind.
Tuesday Night
Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Wednesday
A 20 percent chance of rain before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 55.
Wednesday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 36.
Thursday
A chance of rain, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55.
Thursday Night
Rain before 5am, then rain, possibly mixed with snow. Cloudy, with a low around 30.
Friday
Rain and snow likely, becoming all rain after 8am. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain and snow. Patchy fog. Snow level 4200 feet lowering to 3600 feet after midnight . Otherwise, mostly cloudy, with a low around 27.
Saturday
A chance of rain and snow. Patchy fog. Snow level 3600 feet rising to 4300 feet in the afternoon. Otherwise, mostly cloudy, with a high near 42.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 30.
Sunday
Rain and snow likely. Patchy fog. Otherwise, mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Regis MT
 47.29°N 115.12°W (Elev. 2838 ft)
Last Update:
1:01 pm MST Nov 9, 2025
Forecast Valid:
8pm MST Nov 9, 2025-6pm MST Nov 16, 2025
 
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Additional Resources

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Chance of Precipitation