Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 1°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

  • Wednesday
    3rd Dec
    Clear skies with flurries of snow (0-2 cm of snow expected)
  • Thursday
    4th Dec
    Broken clouds
  • Friday
    5th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Saturday
    6th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Sunday
    7th Dec
    Sunshine and showers (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 3rd 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 Wednesday 3rd December 2025

Expect clear skies with flurries of snow in Great Falls, Montana with a maximum temperature of 1°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 14% chance of some snow and little or no wind of 5 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 14% chance of some snow14
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -1°C wind chill-1
    °C wind chill
  • Little or no wind of 5 kph from the South-West5
    kph wind from SW

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Great Falls weather for Thursday 4th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Little or no wind of 5 kph from the South-West5
    kph wind from SW

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Great Falls weather for Friday 5th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 48% chance of some sleet or snow and little or no wind of 3 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 48% chance of some sleet or snow48
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 2°C wind chill2
    °C wind chill
  • Little or no wind of 3 kph from the South-West3
    kph wind from SW

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Great Falls weather for Saturday 6th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 17% chance of some sleet or snow and little or no wind of 4 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 17% chance of some sleet or snow17
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 1°C wind chill1
    °C wind chill
  • Little or no wind of 4 kph from the South-West4
    kph wind from SW

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Great Falls weather for Sunday 7th December 2025

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and little or no wind of 6 kph from the south-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 9% chance of some rain9
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Little or no wind of 6 kph from the South-West6
    kph wind from SW

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Metric (°C / mm)  |  Imperial (°F / inches)

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