Our Proprietary 10-Day Forecast

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Current warnings over Great Falls, Montana
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Great Falls, Montana red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Great Falls, Montana red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Cascade County, MT

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Great Falls, Montana

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Great Falls, MT please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Great Falls, MT

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Great Falls, MT, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Great Falls, Montana

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Cascade County, Montana

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Great Falls, Montana Climate Summary

Location

Northern Montana, along the Missouri River

Climate Type

Continental

Average Temperature

    •   Annual: 45.1°F (7.3°C)
    •   January (coldest month): 20.2°F (-6.6°C)
    •   July (warmest month): 70.1°F (21.2°C)

Average Precipitation

    •   Annual: 15.5 inches (394 mm)
    •   May (wettest month): 2.6 inches (66 mm)
    •   January (driest month): 0.6 inches (15 mm)

Snowfall

    •   Annual: 43.5 inches (110 cm)
    •   December (most snowfall): 10.8 inches (27 cm)

Wind

    •   Average wind speed: 10.3 mph (16.6 km/h)
    •   Prevailing wind direction: West-northwest

Humidity

    •   Average relative humidity: 60%

Sunshine

    •   Average annual sunshine: 3,086 hours
    •   July (most sunshine): 348 hours

Unique Climate Features

    •   Chinook Winds

Warm, dry winds from the west that can rapidly raise temperatures in winter.

    •   Frequent Temperature Fluctuations

Large temperature swings are common throughout the year, especially in winter.

    •   Low Humidity

The air is typically dry, especially in winter and spring.

    •   Severe Weather

Great Falls is occasionally affected by severe thunderstorms, hail, and tornadoes.

    •   Long Winters

Winters are cold and long, with average temperatures below freezing from November to March.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Great Falls is located at the confluence of three rivers: the Missouri, Sun, and Teton.

    •   The Missouri River drops over 500 feet in elevation through a series of five waterfalls, creating the city's namesake.

    •   The waterfalls and surrounding canyons provide habitat for diverse flora and fauna, including bald eagles, bighorn sheep, and mountain lions.

Science

    •   The Great Falls Hydroelectric Project, completed in 1915, was one of the first large-scale hydroelectric projects in the United States.

    •   The city is home to the Montana State University-Great Falls campus, which conducts research in fields such as water resources, renewable energy, and biotechnology.

Personalities

    •   Charles M. Russell, known as the \

Tourist Attractions
1.Giant Springs State Park:

Home to the largest freshwater springs in the United States, offering scenic walking trails, a fish hatchery, and opportunities for wildlife viewing.

2.Lewis and Clark National Historic Trail Interpretive Center:

Explore the history of the Lewis and Clark Expedition and learn about their journey through the Great Falls area.

3.C.M. Russell Museum Complex:

Dedicated to the life and work of renowned Western artist Charles M. Russell, this museum showcases his paintings, sculptures, and personal belongings.

Nearby Cities:

Sun Prairie, MT
Butte, MT
Helena, MTHavre, MT
Belgrade, MTLewistown, MT
Shelby, MTCut Bank, MT
Warm Springs, MTDeer Lodge, MT
Montana City, MTConrad, MT
East Helena, MT