National Weather Service forecast

Big Arm, Montana Weather

33°Tonight: Mostly Cloudy
Wind 0 mph
7-DayHourlyRadar

Big Arm 7-Day Forecast

  1. Tonight
    33°F
    Mostly Cloudy

    Mostly cloudy, with a low around 33. Wind around 0 mph.

  2. Wednesday
    46°F
    Mostly Sunny

    Mostly sunny, with a high near 46. North northwest wind around 2 mph.

  3. Wednesday Night
    33°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 33. Southwest wind around 1 mph.

  4. Thursday
    45°F
    Partly Sunny
    10% chance of precipitation

    Partly sunny, with a high near 45. South southwest wind 1 to 6 mph.

  5. Thursday Night
    35°F
    Mostly Cloudy
    6% chance of precipitation

    Mostly cloudy, with a low around 35. South southwest wind around 5 mph.

  6. Friday
    49°F
    Partly Sunny
    12% chance of precipitation

    Partly sunny, with a high near 49.

  7. Friday Night
    39°F
    Mostly Cloudy
    12% chance of precipitation

    Mostly cloudy, with a low around 39.

  8. Saturday
    53°F
    Partly Sunny
    3% chance of precipitation

    Partly sunny, with a high near 53.

  9. Saturday Night
    40°F
    Mostly Cloudy then Slight Chance Light Rain
    19% chance of precipitation

    A slight chance of rain after 5am. Mostly cloudy, with a low around 40.

  10. Sunday
    55°F
    Slight Chance Light Rain
    19% chance of precipitation

    A slight chance of rain before 5pm. Partly sunny, with a high near 55.

  11. Sunday Night
    40°F
    Mostly Cloudy
    12% chance of precipitation

    Mostly cloudy, with a low around 40.

  12. Monday
    51°F
    Partly Sunny then Slight Chance Light Rain
    16% chance of precipitation

    A slight chance of rain after 5pm. Partly sunny, with a high near 51.

  13. Monday Night
    40°F
    Slight Chance Light Rain
    17% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a low around 40.

  14. Tuesday
    53°F
    Slight Chance Light Rain
    17% chance of precipitation

    A slight chance of rain. Partly sunny, with a high near 53.

Issued by the National Weather Service (MSO office), updated .

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About Big Arm

Population (2020 Census)
218
Coordinates
47.794, -114.270
Elevation
3,061 ft
NWS forecast office
MSO
Time zone
America/Denver
Sunrise today
7:24 AM MST
Sunset today
5:16 PM MST
Daylight today
9 h 52 min

Big Arm Weather Questions

What is the weather forecast for Big Arm, Montana?

Tonight: Mostly cloudy, with a low around 33. Wind around 0 mph. Wednesday: Mostly sunny, with a high near 46. North northwest wind around 2 mph.

Will it rain or snow in Big Arm this week?

Not much. The highest chance of precipitation in the 7-day forecast is 19%, Saturday Night.

How warm and how cold will it get in Big Arm this week?

The warmest day is Sunday, with a high near 55°F. The coldest night is Tonight, with a low near 33°F.

What time are sunrise and sunset in Big Arm today?

Sunrise is at 7:24 AM MST and sunset is at 5:16 PM MST, for 9 h 52 min of daylight.

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