Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 2°C. 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 4th 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 4th 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 no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 29% chance of some sleet or snow and a fresh breeze of 34 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °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)
  • 29% chance of some sleet or snow29
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • -4°C wind chill-4
    °C wind chill
  • Fresh breeze of 34 kph from the South-West34
    kph wind from SW

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Great Falls weather for Friday 5th December 2025

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 95% chance of some snow and a gentle breeze of 19 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 95% chance of some snow95
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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Great Falls weather for Saturday 6th December 2025

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of -1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 47% chance of some snow and a moderate breeze of 28 kph from the north-west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 47% chance of some snow47
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Moderate breeze of 28 kph from the North-West28
    kph wind from NW

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Great Falls weather for Sunday 7th December 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 31 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Fresh breeze of 31 kph from the South-West31
    kph wind from SW

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Great Falls weather for Monday 8th December 2025

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a fresh breeze of 35 kph from the south-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 6% chance of some rain6
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Fresh breeze of 35 kph from the South-West35
    kph wind from SW

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

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