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

Atmospheric River Continues to Impact the Northwest U.S.; Gusty to High Winds in the Northeast U.S.

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Current conditions at

RONAN (RONM8)

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

NA

36°F

2°C

Humidity 98%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 04 Nov 07:31 PM MST
Extended Forecast for

St. Ignatius MT

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 2am and 4am. Mostly cloudy, with a low around 32. Southeast wind 3 to 5 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 53. Northeast wind around 6 mph becoming southwest in the morning. Chance of precipitation is 60%.

    High: 53 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 38. South southeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 49. South wind 6 to 9 mph becoming west southwest in the morning. Chance of precipitation is 90%.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 34. Southwest wind 6 to 8 mph becoming south southeast in the evening. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain and snow before 11am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly between 2am and 4am. Mostly cloudy, with a low around 32. Southeast wind 3 to 5 mph.
Wednesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 53. Northeast wind around 6 mph becoming southwest in the morning. Chance of precipitation is 60%.
Wednesday Night
Rain. Low around 38. South southeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 49. South wind 6 to 9 mph becoming west southwest in the morning. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 34. Southwest wind 6 to 8 mph becoming south southeast in the evening. Chance of precipitation is 70%.
Friday
Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
A slight chance of rain and snow before 11am. Mostly cloudy, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A slight chance of rain. Mostly cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Veterans Day
A slight chance of rain. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.33°N 114.09°W (Elev. 2966 ft)
Last Update:
1:02 pm MST Nov 4, 2025
Forecast Valid:
8pm MST Nov 4, 2025-6pm MST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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