Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 52°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 Tuesday 16th 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 Tuesday 16th December 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate gale of 32 mph from the south-west.

  • 52°F maximum temperature52
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate gale of 32 mph from the South-West32
    mph wind from SW

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Great Falls weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a fresh gale of 39 mph from the west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 28°F minimum temperature28
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Fresh gale of 39 mph from the West39
    mph wind from W

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Great Falls weather for Thursday 18th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 45°F and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 27 mph from the south-west.

  • 45°F maximum temperature45
    °F maximum temperature
  • 28°F minimum temperature28
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 36°F wind chill36
    °F wind chill
  • Strong breeze of 27 mph from the South-West27
    mph wind from SW

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Great Falls weather for Friday 19th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 29% chance of some sleet or snow and a strong breeze of 29 mph from the west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 25°F minimum temperature25
    °F minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 29% chance of some sleet or snow29
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 39°F wind chill39
    °F wind chill
  • Strong breeze of 29 mph from the West29
    mph wind from W

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Great Falls weather for Saturday 20th December 2025

Expect clear skies with flurries of snow in Great Falls, Montana with a maximum temperature of 39°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 8% chance of some snow and a fresh breeze of 20 mph from the south-west.

  • 39°F maximum temperature39
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 8% chance of some snow8
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 28°F wind chill28
    °F wind chill
  • Fresh breeze of 20 mph from the South-West20
    mph wind from SW

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Expires at 23:59 on Wednesday 31st Dec 2025

Metric (°C)  |  Imperial (°F)

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