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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

TROY (TROM8)

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

NA

36°F

2°C

Humidity 100%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 07 Dec 11:07 PM MST
Extended Forecast for

Troy MT

Wind Advisory December 8, 08:00pm until December 9, 08:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain likely, mainly before 1am. Widespread fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 36. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely
    and Fog

  • Monday

    Monday: Rain. Widespread fog before 8am. High near 49. South southwest wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain and Fog

  • Monday Night

    Monday Night: Rain. Patchy fog before 2am. Steady temperature around 43. Southwest wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain likely. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 49. West southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain. Widespread fog, mainly after 8pm. Low around 33. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain and Fog

  • Wednesday

    Wednesday: Rain. Widespread fog before 8am. High near 46. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain and Fog

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow. Snow level 2800 feet. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow. Snow level 2900 feet. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain likely, mainly before 1am. Widespread fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 36. South wind around 6 mph. Chance of precipitation is 60%.
Monday
Rain. Widespread fog before 8am. High near 49. South southwest wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Patchy fog before 2am. Steady temperature around 43. Southwest wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain likely. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 49. West southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Widespread fog, mainly after 8pm. Low around 33. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. Widespread fog before 8am. High near 46. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before 8pm, then rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow. Snow level 2800 feet. Mostly cloudy, with a high near 39.
Thursday Night
A chance of rain and snow. Snow level 2900 feet. Mostly cloudy, with a low around 24.
Friday
Rain and snow likely, mainly before 11am. Snow level 3000 feet rising to 3700 feet in the afternoon. Mostly cloudy, with a high near 41.
Friday Night
A chance of rain and snow. Cloudy, with a low around 32.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Troy MT
 48.46°N 115.89°W (Elev. 1998 ft)
Last Update:
1:01 pm MST Dec 7, 2025
Forecast Valid:
11pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation