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

Powerful Pacific Storm to Bring Widespread Hazardous Weather to West Coast; Two Storm Systems to Impact Central and Eastern U.S.

A powerful Pacific storm will hammer the West Coast into Friday with strong winds, heavy rain and heavy mountain snow. Heavy rain will bring a threat of flash flooding along recent burn scars while blizzard conditions are expected in the Sierras. Meanwhile, two winter storms will bring areas of heavy snow and freezing rain followed by bitter cold into this weekend from the Plains to the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

RONAN (RONM8)

Lat: 47.536772°NLon: 114.098936°WElev: 3234ft.

NA

26°F

-3°C

Humidity 82%
Wind Speed N 2 G 6 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 16 Jan 2:31 pm MST
Extended Forecast for

15 Miles WNW St. Ignatius MT

Winter Weather Advisory January 17, 11:00am until January 18, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Light south southeast wind becoming southeast 6 to 11 mph in the evening.

    Mostly Cloudy

    Low: 23 °F

  • Thursday

    Thursday: Snow. High near 29. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Snow

    High: 29 °F

  • Thursday
    Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 27. North northeast wind 7 to 14 mph becoming south southeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Snow Likely

    Low: 27 °F

  • Friday

    Friday: Snow likely. Cloudy, with a high near 35. Southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely

    High: 35 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of snow, mainly before 11pm. Cloudy, with a low around 30. South wind 10 to 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    Chance Snow

    Low: 30 °F

  • Saturday

    Saturday: Snow likely, mainly after 11am. Cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Snow Likely

    High: 36 °F

  • Saturday
    Night

    Saturday Night: Rain and snow likely, becoming all snow after 11pm. Cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Rain/Snow
    Likely then
    Snow Likely

    Low: 31 °F

  • Sunday

    Sunday: Snow likely before 11am, then rain and snow likely. Cloudy, with a high near 33.

    Rain/Snow
    Likely

    High: 33 °F

  • Sunday
    Night

    Sunday Night: A chance of snow. Cloudy, with a low around 27.

    Chance Snow

    Low: 27 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Light south southeast wind becoming southeast 6 to 11 mph in the evening.
Thursday
Snow. High near 29. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 27. North northeast wind 7 to 14 mph becoming south southeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Cloudy, with a high near 35. Southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow, mainly before 11pm. Cloudy, with a low around 30. South wind 10 to 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly after 11am. Cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain and snow likely, becoming all snow after 11pm. Cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Snow likely before 11am, then rain and snow likely. Cloudy, with a high near 33.
Sunday Night
A chance of snow. Cloudy, with a low around 27.
M.L.King Day
A chance of snow. Mostly cloudy, with a high near 28.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of snow. Mostly cloudy, with a high near 28.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33. Windy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
15 Miles WNW St. Ignatius MT
 47.38°N 114.41°W (Elev. 4172 ft)
Last Update:
2:34 pm MST Jan 16, 2019
Forecast Valid:
3pm MST Jan 16, 2019-6pm MST Jan 23, 2019
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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