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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

TROY (TROM8)

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

NA

44°F

7°C

Humidity 48%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 11 Oct 04:07 AM MDT
Extended Forecast for

Troy MT

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a low around 28. North wind around 7 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of rain and snow before noon, then a chance of rain between noon and 3pm. Snow level 2100 feet rising to 3500 feet in the afternoon. Mostly cloudy, with a high near 51. North wind 3 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 23. Northeast wind around 5 mph becoming calm after midnight.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Columbus Day

    Columbus Day: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 28.

    Low: 28 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around 28. North wind around 7 mph.
Sunday
A chance of rain and snow before noon, then a chance of rain between noon and 3pm. Snow level 2100 feet rising to 3500 feet in the afternoon. Mostly cloudy, with a high near 51. North wind 3 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 23. Northeast wind around 5 mph becoming calm after midnight.
Columbus Day
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind.
Monday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 25. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, sunny, with a high near 62.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 28.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troy MT
 48.46°N 115.89°W (Elev. 1998 ft)
Last Update:
2:01 am MDT Oct 11, 2026
Forecast Valid:
5am MDT Oct 11, 2026-6pm MDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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