Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 54°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 11th December 2025 GMT

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The 5-day weather forecast for Montana (Great Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Great Falls weather forecast by day

Below are the detailed weather forecasts for Great Falls for the next 5 days.

Great Falls weather for Thursday 11th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 54°F and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 68% chance of some sleet or snow and a strong breeze of 28 mph from the west.

  • 54°F maximum temperature54
    °F maximum temperature
  • 18°F minimum temperature18
    °F minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 68% chance of some sleet or snow68
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 54°F wind chill54
    °F wind chill
  • Strong breeze of 28 mph from the West28
    mph wind from W

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Great Falls weather for Friday 12th December 2025

Expect overcast with light snow in Great Falls, Montana with a maximum temperature of 16°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 98% chance of some snow and a gentle breeze of 12 mph from the north-east.

  • 16°F maximum temperature16
    °F maximum temperature
  • 9°F minimum temperature9
    °F minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 98% chance of some snow98
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • 3°F wind chill3
    °F wind chill
  • Gentle breeze of 12 mph from the North-East12
    mph wind from NE

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Great Falls weather for Saturday 13th December 2025

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 39°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 15% chance of some snow and a moderate breeze of 16 mph from the south-west.

  • 39°F maximum temperature39
    °F maximum temperature
  • 7°F minimum temperature7
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 15% chance of some snow15
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 30°F wind chill30
    °F wind chill
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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Great Falls weather for Sunday 14th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Fresh breeze of 18 mph from the South-West18
    mph wind from SW

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Great Falls weather for Monday 15th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 24 mph from the south-west.

  • 52°F maximum temperature52
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 52°F wind chill52
    °F wind chill
  • Fresh breeze of 24 mph from the South-West24
    mph wind from SW

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