Live Weather & Forecast

Weather in Great Falls

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

Flag of United States
Overcast
14°C
Feels like 13°C
58°F / Feels 55°F
Overcast
Great Falls, Montana
🌞 Daytime
Updated: 2026-04-15 13:30
💧
Humidity
34%
💨
Wind
20.9 km/h SW
🌬️
Wind Gust
24 km/h
🌡️
Pressure
1001 mb
👁️
Visibility
16 km
☀️
UV Index
4.6 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
-1.9°C
🌐
Wind Degree
235°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
163.9 μg/m³
NO₂
2.1 μg/m³
O₃
91 μg/m³
SO₂
1 μg/m³
PM 2.5
1.2 μg/m³
PM 10
1.4 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% 💨 26.6 km/h
4 AM
Clear
7°
Clear
💧 52% 💨 21.2 km/h
5 AM
Clear
7°
Clear
💧 54% 💨 15.8 km/h
6 AM
Clear
7°
Clear
💧 50% 💨 21.6 km/h
7 AM
Sunny
7°
Sunny
💧 52% 💨 17.3 km/h
8 AM
Sunny
8°
Sunny
💧 51% 💨 13.7 km/h
9 AM
Sunny
9°
Sunny
💧 47% 💨 16.6 km/h
10 AM
Sunny
11°
Sunny
💧 43% 💨 19.4 km/h
11 AM
Sunny
13°
Sunny
💧 37% 💨 17.6 km/h
12 PM
Partly Cloudy
14°
Partly Cloudy
💧 32% 💨 14.8 km/h
1 PM
Overcast
14°
Overcast
💧 34% 💨 20.9 km/h
2 PM
Sunny
15°
Sunny
💧 33% 💨 20.5 km/h
3 PM
Sunny
15°
Sunny
💧 33% 💨 23.8 km/h
4 PM
Partly Cloudy
14°
Partly Cloudy
💧 35% 💨 4.3 km/h
5 PM
Patchy rain nearby
14°
Patchy rain nearby
💧 47% 💨 3.6 km/h 🌧️ 100%
6 PM
Patchy rain nearby
14°
Patchy rain nearby
💧 71% 💨 13.7 km/h 🌧️ 100%
7 PM
Patchy rain nearby
12°
Patchy rain nearby
💧 63% 💨 8.6 km/h 🌧️ 100%
8 PM
Sunny
11°
Sunny
💧 70% 💨 15.5 km/h
9 PM
Patchy light drizzle
7°
Patchy light drizzle
💧 74% 💨 13.7 km/h 🌧️ 100%
10 PM
Blowing snow
6°
Blowing snow
💧 93% 💨 37.4 km/h 🌧️ 100%
11 PM
Patchy rain nearby
5°
Patchy rain nearby
💧 86% 💨 37.4 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Great Falls, Montana

Today
Patchy rain nearby
Patchy rain nearby
16° / 4°
🌧️ 88% chance of rain
💧 Avg. humidity: 52%
💨 Max wind: 37.4 km/h
🌧️ Total precip: 4.97 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:36 AM
🌇 Sunset: 08:15 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
Patchy rain nearby
6° / -2°
🌧️ 76% chance of rain
💧 Avg. humidity: 46%
💨 Max wind: 34.2 km/h
🌧️ Total precip: 1.37 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:16 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
Partly Cloudy
8° / -4°
🌧️ 0% chance of rain
💧 Avg. humidity: 56%
💨 Max wind: 13 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: Overcast, temperature 14°C, humidity 34%.
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.