Great Falls weather forecast

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Last updated at 04:03 on Saturday 24th July 2021 GMT

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The 5-day weather forecast for Great Falls, Montana 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 24th July 2021

Below is the Great Falls weather forecast for Saturday 24th July 2021. Expect clear skies in Great Falls, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 8 kph from the West8
    kph wind from W

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Great Falls weather for Sunday 25th July 2021

Below is the Great Falls weather forecast for Sunday 25th July 2021. Expect clear skies in Great Falls, Montana with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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Great Falls weather for Monday 26th July 2021

Below is the Great Falls weather forecast for Monday 26th July 2021. Expect clear skies in Great Falls, Montana with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 34°C maximum temperature34
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Great Falls weather for Tuesday 27th July 2021

Below is the Great Falls weather forecast for Tuesday 27th July 2021. Expect scattered clouds in Great Falls, Montana with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

  • 34°C maximum temperature34
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    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
  • Gentle breeze of 17 kph from the North-East17
    kph wind from NE

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Great Falls weather for Wednesday 28th July 2021

Below is the Great Falls weather forecast for Wednesday 28th July 2021. Expect scattered clouds in Great Falls, Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 13 kph from the north.

  • 31°C maximum temperature31
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 28% chance of some rain28
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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  • Save 20% on COVID-19 Fit to Fly test & travel certificate
  • Home COVID-19 PCR test with free express delivery
  • Receive online results within 24-72 hours once test at lab
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Expires at 23:59 on Friday 31st Dec 2021

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

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