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

Atmospheric River in the West; Strong Winds in the Northeast

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. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today 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

37°F

3°C

Humidity 100%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 05 Nov 10:31 AM MST
Extended Forecast for

St. Ignatius MT

  • Today

    Today: Rain, mainly after 5pm. High near 54. North wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 38. Southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 50. West southwest wind 7 to 10 mph. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 11pm. Low around 35. Southwest wind 6 to 9 mph becoming south southeast in the evening. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Friday

    Friday: Rain. High near 46. South wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a chance of rain and snow. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly after 5pm. High near 54. North wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%.
Tonight
Rain. Low around 38. Southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 50. West southwest wind 7 to 10 mph. Chance of precipitation is 90%.
Thursday Night
Rain, mainly after 11pm. Low around 35. Southwest wind 6 to 9 mph becoming south southeast in the evening. Chance of precipitation is 80%.
Friday
Rain. High near 46. South wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain before 11pm, then a chance of rain and snow. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Veterans Day
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.31°N 114.09°W (Elev. 2999 ft)
Last Update:
1:02 am MST Nov 5, 2025
Forecast Valid:
11am MST Nov 5, 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