Great Falls weather live forecast

Tomorrow's maximum temperature in Great Falls is expected to be 82°F.

5-day weather forecast updated at 04:01 on Monday 7th 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 Monday 7th July 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 82°F, 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 11 mph from the north-east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 57°F minimum temperature57
    °F 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 11 mph from the North-East11
    mph 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 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south-west.

  • 93°F maximum temperature93
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    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
  • Moderate breeze of 17 mph from the South-West17
    mph wind from SW

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Great Falls weather for Wednesday 9th July 2025

Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 15 mph from the south-west.

  • 93°F maximum temperature93
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 23% chance of some rain23
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 15 mph from the South-West15
    mph wind from SW

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Great Falls weather for Thursday 10th July 2025

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 75°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a fresh breeze of 21 mph from the west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 37% chance of some rain37
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 21 mph from the West21
    mph wind from W

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Great Falls weather for Friday 11th July 2025

Expect clear skies in Great Falls, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Clear skies
    clear skies
  • 16 hours of bright sunshine16
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 10 mph from the South-West10
    mph wind from SW

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