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Great Falls weather live forecast
Today's maximum temperature in Great Falls is expected to be 29°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.
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Saturday
26th Jul -
Sunday
27th Jul -
Monday
28th Jul -
Tuesday
29th Jul -
Wednesday
30th Jul
5-day weather forecast updated at 04:01 on Saturday 26th 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 Saturday 26th July 2025
Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 17 kph from the west.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from W
Great Falls weather for Sunday 27th 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 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- low heat & humidity
- kph wind from NE
Great Falls weather for Monday 28th July 2025
Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 19 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from NE
Great Falls weather for Tuesday 29th July 2025
Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 22 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from NE
Great Falls weather for Wednesday 30th July 2025
Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 30 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hour of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from NE
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Metric (°C / mm) | Imperial (°F / inches)
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