See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Clear
Feels Like: 7°
Min: 14°
Max: 31°
The next few hours will be clear, with today reaching 31°C and dropping to 5°C. The coming days will be clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:09
Sunset
Moon
Waxing Crescent
12:43
Moonrise
21:19
Moonset
Daily Forecast
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Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Great Falls today, September 16, 2026
Great Falls is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning looks comparatively open, with cloud near 3% around 11:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 31°C and cools toward 14°C. Expect humidity between 35% and 60%, most humid near 23:00. Winds stay light, near 3.1 km/h by 18:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 19:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 16.1 km. Expect sunrise at 06:57, sunset at 19:09, and 12 hours 11 minutes of sunlight today overall.
Taken together, settled sunshine in Great Falls on September 16, 2026 makes outdoor timing easier, with highs near 31°C.
Frequently asked questions about weather in Great Falls
How warm does it get in Great Falls?
The warmest month in Great Falls is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in Great Falls?
The coldest month in Great Falls is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Great Falls?
The wettest month in Great Falls is July, with an average of 146mm of precipitation.
What is the driest time of year in Great Falls?
The driest month in Great Falls is November, with an average of 73mm of precipitation.
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