USA / Great Falls
Monday, September 21, 2026

Great Falls, US

clear sky

59°
Feels like 58°
H: 61° L: 59°
clear sky
🍃

Smart Outdoor Advice

Perfect weather for outdoor activities! Enjoy the comfortable conditions.

Hourly Forecast

9 AM

icon

57°

67%

12 PM

icon

56°

78%

3 PM

icon

58°

71%

6 PM

icon

72°

41%

9 PM

icon

75°

28%

12 AM

icon

75°

34%

3 AM

icon

61°

60%

6 AM

icon

57°

64%

Air Quality Index

1

Good

Air quality index is good in Great Falls.

PM2.5

1.4

PM10

2

O₃

59.5

NO₂

3.5

CO

109.4

Verified Station: KGTF

Official METAR Observation

From Great Falls, Great Falls International Airport, MT

54°F

Fair

Wind

calm

Pressure

30.13 inHg

Humidity

69%

Last Update

Last Update on Sep 20 2026, 11:53 pm MDT

Data Source: NOAA's National Weather Service

Humidity

58%

Dew Point

51°

Wind Speed

12mph

Gusts

14mph

Sunrise

01:10 PM

Sunset

01:25 AM

Pressure

1019hPa

Visibility

6.2mi

5-Day Extended Outlook

Mon, Sep 21

icon
72°

clear sky

75° 53°

Tue, Sep 22

icon
50°

clear sky

78° 50°

Wed, Sep 23

icon
50°

clear sky

77° 50°

Thu, Sep 24

icon
50°

scattered clouds

82° 50°

Fri, Sep 25

icon
58°

clear sky

86° 58°

Sat, Sep 26

icon
62°

clear sky

82° 62°

📌 Embed This Weather Widget

Add live Great Falls weather to your website:

<iframe src="https://weatheraxis.com/widget/great-falls" width="320" height="280" frameborder="0"></iframe>

Weather Details for Great Falls, US

What is the weather in Great Falls?

The current weather in Great Falls is clear sky. Local conditions are updated in real-time to provide the most accurate Great Falls weather data.

What is the temperature in Great Falls?

The current temperature in Great Falls is 59°F (15°C). Looking for the Great Falls temperature today? Expect a high of 61°F and a low of 59°F.

Is there a weather forecast for Great Falls?

Yes, our Great Falls forecast weather includes a detailed 5-day outlook and hourly updates. Stay informed about Great Falls humidity, wind speeds, and barometric pressure.

Current Conditions & Alerts

Monitor Great Falls current weather including visibility of 6.2 miles and atmospheric pressure of 1019 hPa.