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

RONAN (RONM8)

Lat: 47.53639°NLon: 114.09889°WElev: 3068.0ft.

NA

26°F

-3°C

Humidity 97%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 10 Nov 04:31 AM MST
Extended Forecast for

St. Ignatius MT

  • Today

    Today: Mostly cloudy, with a high near 53. South wind 5 to 8 mph.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain. Mostly cloudy, with a low around 38. East northeast wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 53. South southwest wind around 6 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 35. Light southeast wind.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after 11am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 32.

    Low: 32 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 53. South wind 5 to 8 mph.
Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 38. East northeast wind around 6 mph.
Veterans Day
Mostly sunny, with a high near 53. South southwest wind around 6 mph.
Tuesday Night
Increasing clouds, with a low around 35. Light southeast wind.
Wednesday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A 50 percent chance of rain after 11am. Mostly cloudy, with a high near 56.
Thursday Night
Rain. Cloudy, with a low around 32.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 42.
Saturday Night
A chance of rain. Cloudy, with a low around 31.
Sunday
Rain likely. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.33°N 114.09°W (Elev. 2966 ft)
Last Update:
1:02 am MST Nov 10, 2025
Forecast Valid:
4am MST Nov 10, 2025-6pm MST Nov 16, 2025
 
Forecast Discussion
 
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Chance of Precipitation