Live Weather & Forecast

Weather in Great Falls

Montana, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
6°C
Feels like 2°C
43°F / Feels 36°F
Sunny
Great Falls, Montana
🌞 Daytime
Updated: 2026-04-15 07:00
💧
Humidity
55%
💨
Wind
21.6 km/h SW
🌬️
Wind Gust
34.4 km/h
🌡️
Pressure
1004 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
-3°C
🌐
Wind Degree
226°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
138.9 μg/m³
NO₂
1.3 μg/m³
O₃
107 μg/m³
SO₂
1 μg/m³
PM 2.5
1.9 μg/m³
PM 10
2.4 μg/m³

Weather Alerts 1

Met · Moderate · Expected
Winter Weather Advisory issued April 14 at 11:11PM MDT until April 16 at 12:00PM MDT by NWS Great Falls MT

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Southern Rocky Mountain Front. * WHEN...From 6 PM Wednesday to noon MDT Thursday. * IMPACTS...Slushy snow covered roads may make travel difficult. Falling and or blowing snow may significantly reduce v...

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for...

Effective: 2026-04-14T23:11:00-06:00  ·  Expires: 2026-04-15T17:00:00-06:00

Today's Hourly Forecast

24-hour breakdown for Great Falls, Montana

12 AM
Clear
9°
Clear
💧 41% 💨 25.2 km/h
1 AM
Clear
8°
Clear
💧 44% 💨 26.3 km/h
2 AM
Clear
8°
Clear
💧 48% 💨 32.4 km/h
3 AM
Clear
7°
Clear
💧 50% 💨 31.7 km/h
4 AM
Clear
7°
Clear
💧 52% 💨 26.3 km/h
5 AM
Clear
6°
Clear
💧 54% 💨 23.8 km/h
6 AM
Clear
6°
Clear
💧 55% 💨 23.4 km/h
7 AM
Sunny
6°
Sunny
💧 55% 💨 21.6 km/h
8 AM
Sunny
8°
Sunny
💧 54% 💨 23.8 km/h
9 AM
Sunny
9°
Sunny
💧 46% 💨 27 km/h
10 AM
Sunny
11°
Sunny
💧 40% 💨 28.1 km/h
11 AM
Sunny
13°
Sunny
💧 39% 💨 28.4 km/h
12 PM
Sunny
14°
Sunny
💧 38% 💨 25.6 km/h
1 PM
Partly Cloudy
14°
Partly Cloudy
💧 35% 💨 22.7 km/h
2 PM
Sunny
15°
Sunny
💧 33% 💨 20.9 km/h
3 PM
Sunny
16°
Sunny
💧 35% 💨 15.5 km/h
4 PM
Sunny
15°
Sunny
💧 34% 💨 20.9 km/h
5 PM
Overcast
14°
Overcast
💧 39% 💨 12.6 km/h
6 PM
Thundery outbreaks in nearby
13°
Thundery outbreaks in nearby
💧 48% 💨 5.4 km/h
7 PM
Overcast
12°
Overcast
💧 40% 💨 12.2 km/h
8 PM
Overcast
10°
Overcast
💧 42% 💨 15.5 km/h
9 PM
Thundery outbreaks in nearby
8°
Thundery outbreaks in nearby
💧 83% 💨 13.7 km/h
10 PM
Overcast
6°
Overcast
💧 90% 💨 7.9 km/h
11 PM
Overcast
5°
Overcast
💧 90% 💨 35.3 km/h

3-Day Forecast

Daily overview for Great Falls, Montana

Today
Sunny
Sunny
17° / 4°
🌧️ 0% chance of rain
💧 Avg. humidity: 49%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:36 AM
🌇 Sunset: 08:15 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate rain
Moderate rain
5° / -1°
🌧️ 80% chance of rain
❄️ 7% chance of snow
💧 Avg. humidity: 62%
💨 Max wind: 37.1 km/h
🌧️ Total precip: 17.53 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:16 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Thundery outbreaks in nearby
Thundery outbreaks in nearby
7° / -3°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:18 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Great Falls

Plan your trip to Great Falls, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Great Falls 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Great Falls?
Current conditions in Great Falls: Sunny, temperature 6°C, humidity 55%.
What is the best time to visit Great Falls?
The best time to visit Great Falls is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Great Falls?
Great Falls is located at approximately 47.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Great Falls?
The wettest period in Great Falls is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Great Falls?
For visits to Great Falls during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Great Falls in?
Great Falls is located in United States, in the state of Montana.
What are the public holidays in Great Falls in 2026?
View the 2026 public holidays for Great Falls on our Holidays page.
What are the GPS coordinates used for the weather forecast in Great Falls?
The weather forecast for Great Falls uses coordinates 47.5049, -111.2919.