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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

TROY (TROM8)

Lat: 48.48165°NLon: 115.90507°WElev: 2009.0ft.

NA

46°F

8°C

Humidity 64%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 09 Dec 09:07 AM MST
Extended Forecast for

10 Miles N Troy MT

Flood Watch until December 11, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 11, 05:00pm

    NOW until 5:00pm Thu

    Flood Watch

  • Today

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Snow before 2am, then rain and snow. Low around 34. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 34 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 8am. Snow level 4000 feet rising to 6700 feet in the afternoon. High near 46. Southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 43. West southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain. High near 44. West southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then a chance of rain and snow. Snow level 4400 feet lowering to 3400 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Rain and snow likely, becoming all rain after 2pm. Snow level 4200 feet rising to 5300 feet in the afternoon. Cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Snow before 2am, then rain and snow. Low around 34. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
Rain and snow, becoming all rain after 8am. Snow level 4000 feet rising to 6700 feet in the afternoon. High near 46. Southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 43. West southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 44. West southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain before 8pm, then a chance of rain and snow. Snow level 4400 feet lowering to 3400 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Rain and snow likely, becoming all rain after 2pm. Snow level 4200 feet rising to 5300 feet in the afternoon. Cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a high near 40.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Snow level 4300 feet. Mostly cloudy, with a high near 41.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Monday
Rain and snow likely. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Troy MT
 48.61°N 115.89°W (Elev. 3287 ft)
Last Update:
1:02 am MST Dec 9, 2025
Forecast Valid:
10am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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