Great Falls weather live forecast

Tomorrow's maximum temperature in Great Falls is expected to be 26°C.

5-day weather forecast updated at 04:00 on Sunday 6th July 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 Sunday 6th July 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Great Falls weather for Monday 7th July 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 16 kph from the North-East16
    kph wind from NE

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Great Falls weather for Tuesday 8th July 2025

Expect clear skies in Great Falls, Montana with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 27 kph from the South-West27
    kph wind from SW

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Great Falls weather for Wednesday 9th July 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the west.

  • 35°C maximum temperature35
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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Great Falls weather for Thursday 10th July 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 25°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 30 kph from the North-West30
    kph wind from NW

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

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