Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 57°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 4th October 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 Saturday 4th October 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 15 mph from the north.

  • 57°F maximum temperature57
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 52% chance of some rain52
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 57°F wind chill57
    °F wind chill
  • Moderate breeze of 15 mph from the North15
    mph wind from N

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Great Falls weather for Sunday 5th October 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 17 mph from the north.

  • 43°F maximum temperature43
    °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 2 (Low)2
    UV index (Low)
  • 48% chance of some rain48
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 36°F wind chill36
    °F wind chill
  • Moderate breeze of 17 mph from the North17
    mph wind from N

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Great Falls weather for Monday 6th October 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.

  • 57°F maximum temperature57
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 57°F wind chill57
    °F wind chill
  • Moderate breeze of 13 mph from the South-West13
    mph wind from SW

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Great Falls weather for Tuesday 7th October 2025

Expect clear skies in Great Falls, Montana with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 12 mph from the South-West12
    mph wind from SW

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Great Falls weather for Wednesday 8th October 2025

Expect clear skies in Great Falls, Montana with a maximum temperature of 70°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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